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Selasa, 29 Juni 2010

How to choose a Power supply (PSU)




In an ideal PC assemble, usually we put forward some of the hardware that we think is most important, like mainboard, processor, memory, VGA. Especially you who like brain-tweaking the computer to get the best PC games or even overclocking. While the Power Supply (PSU) is often ignored.

In fact, without the power supply is good, all powerful tools that we choose will not be able to work with the optimal.There are many types of PSU but not all good for use in a PC that has a high specs. Tips for choosing a fixed PSU specs are very high in need because without the PSU is good all the devices will not work optimally reliable.
Just to give an overview about the PSU.

1. WATTS
PSU using measures watts in power supply. Watt in the PSU is calculated by multiplying voltage by amperage. The higher the wattage PSU so power can be supplied higher.

2. Rails
Conductor size, power is in the form of volt. In klasifikasin be +3.3 V, + 5V, +12 V,-5V and-12V. As a benchmark simply note that (+) only because the rail (-) only for the use of PCs in the past that is for ISA slots, and Floppy drives. Calculating the power of each rail simply by mengalikanya with the ampere. Then add the third rail is to know the maximum capacity of the PSU.

3. Multiple Rails
Along with the development of processor technology and VGA +12 V rail increasingly require high power. This high power requirement will make the +12 V rails into heat and make the performance of the PSU becomes unstable, so to overcome this then divided into 2 rail, 3 rail even the newest four rails. That is to say that using a dual rail PSU will be more stable in the power supply because the heat can be suppressed. The result is wasted energy into heat is reduced.

4. Voltage Regulator
Often also referred to this is the change in output ripple voltage generated by the PSU. Changes in this voltage fruktuatif caused by conditions that do not konstants example from idle and then became a full load. The recommended safe standard is + / - 5% of railnya. The fewer the better the output ripple PSU.

Voltage regulators can be called as an essential component in maintaining the hardware in the computer hardware. For the flutuatif volt up and down in a short time causes the hardware components become damaged. Especially the most frequent subject is the hard drive.

5. Hold Up time
Backup power is available at PSU before running out of power. Under these conditions there is no power failure or power supply how much power is able to supply power PSU accommodated. The bigger its reserves mean more time in dealing with input condition die. PSU is good to have high Hold Up Time, which he uses to signify good component.

6. Over-Voltage Protection
PSU has an almost all these features. Its function is obvious that is to protect from power surges. So if there was a big auto power PSU will decide the current. With this feature the user can avoid the disaster of shorting or hit by lightning. So if there was a big hit that high are not the first PSU other components because the current is already on another cut klo PSU there is no feature of his spikes directly forwarded to all computer components.
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Choosing a good Cashing

It often happens to users who like to assemble your own computer to ignore the casing to bungkusnya.Sebagian there who liked the appearance and texture, there is also not concerned with it, reasonably important contents. Ok cashing penting.Satu not often forget things that are related to power supplay on tersebut.Sebagus cashing cashing any form that we use when PSU / her power supplay supplay motherboard does not meet the standards are condemned to constraints.
As the following constraints:
• The computer restarts itself like
Often hangs •
• elco on the motherboard easy convex
• Damaging the HDD motor, ultimately klek HDD sounds like when the computer turn on and off
• Proccessor easy hot due to the fan supplay less maximal PRC
• Definitely shorten Motherboard
This was at the beginning was not so great about the same effect by using the PSU is good, but the computer turns 3bln you will feel the constraints diatas.Walaupun your new computer is certainly no guarantee raft, much better if you do before assembling the computer knows it .
Some things to consider in choosing Cashing in
1. Casing Size

Large casing size would really help you. Surely you do not want to experience difficulties in the installation of components in a PC simply because the space is too narrow. And do not forget, width or thickness also must be considered. Casing is too thin, usually less biased accommodate additional cards may be installed on the PCI bus or AGP slot! In addition, with large casing size, such as ATX type, any size can all be built into the motherboard chassis. Large casing size, air flow inside the casing can be great. As a result, the overall system temperature can also cooler than wearing a tiny casing? 2. Bay and Port for Add-on Card

a. At the front of the casing, note, how many bays are mounted column aliases, either create a CD-ROM drive, DVD-ROM drive, or floppy drive. If you want to put just a CD-ROM and a floppy, bays that too much is not required. But who knows, you will also want to install a CD-RW drive or DVD drive. Or who knows you want to install an additional hard drive using removable media rack, which also demanded a place in this bay. Hence it is better to select a chassis number of bays for more! In general, the number of bays, there are three. If the bias to get four or five, definitely better!

b. Port for add-on card that was in the back of the casing should also note that you will not lack the time to install a variety of additional card. Casing is small, of course, have the add-on card that small. As a result, if you have additional cards based on PCI and AGP, not all can be installed at once. Large casing, usually have a port addon cards up to seven pieces, while the casing with a small size such as micro-ATX or baby AT, at best had only a fourth seed.

c. In the inner bay where there are mounting brackets for mounting such a peripheral hard drive, CD-ROM drive, and others. In some brands of casing, this was accompanied by additional rail bracket so that the user can easily remove and install peripherals such peripherals.

3. Place ExhaustFan

In the standard case, where the exhaust fan is usually only make one. However, in a nice casing, where the exhaust fan can be more than one. Generally consist of three, with details of two in the rear and one on the front. Unfortunately, only a few brands that can be fitted with exhaust fan in the front. In fact, precisely this section closest to the disk. Consequently, if there is exhaust fan in the front, hard drive space as well as the casing will remain awake cold.

4. Ventilation System

PC systems have a temperature so low, not just fan only as needed. Casing also play an important role for lowering the temperature. Now, if you are looking for a good chassis, note also features ventilated. Good indeed have sufficient air gap, both at the top, rear, or on the side. The more gaps you have, the better the air exchange within the same chassis!

5. Ease of Opening the Casing

Ease of opening the case was inversely related to security components from the hands of ignorant. However, make your usual tinkering, amenity open of course also be an important factor in choosing the casing. If used many brands are still using the cover of U shape, so right now, the casing on the market is much that can be opened only from one side only (sliding model). That means, users do not need to open the cover with difficulty.

6. Casing Thickness Plates

The thickness of the casing must also be considered because the casing is also determined whether or not stronger than this thickness. Many current casing is lightweight and stylish impression. But after use, so even a mild impression of drowning. That there was actually looking frail. To avoid this, we recommend you choose a chassis with adequate thickness. You can choose from aluminum with a thickness of 0.4, 0.6, or 0.8 millimeters. If less than that how? Can be ascertained once the casing is not too strong. It may also at any time the casing is dented when hit by load or fall. Find the casing with a thickness of 0.8 mm. Although a bit heavy, which would casing will withstand external shocks or pressures.

7. Note the outer shape!

If all the above factors have fulfilled all, did you consider the forms. If you want trendy, is now again its time begituan casing. There are so many forms and models you can choose the colors enough ngejreng! But once again, make the external forms as a final consideration!
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Senin, 28 Juni 2010

How to choose a good MONITOR (LCD)

LCD Monitor is now a computer equipment which is common and can be found anywhere. The shift of technology from the former dominated by CRT monitor is now switched on the LCD monitor. There are several factors that drive the increasing use of LCD monitors and CRT monitors are getting buried by time. Among them is the LCD monitor power consumption is relatively much smaller than CRT monitors. A more compact size and slim LCD monitors are very interested in making. Number of LCD monitors on the market making consumers more freedom in determining his choice in addition to the prices offered are competitive and less expensive than CRT monitors.
The size of the LCD monitor also vary from sizes 15 inches to 24 inches for home use (personal computer). Manufacturer and brand of LCD monitors are also quite a lot, from local brands such as Advance to outside brands like ASUS or DELL. The price offered by each manufacturer are also quite competitive, with price range between one million to four million. Price certainly affect the quality of the LCD monitor. But did the average for similar quality between the LCD monitor brands.
To choose the right LCD Monitor products, you should know the parameters that define the differences between LCD monitors available today. Here are key features that you can know to select the LCD type monitors:
1. Screen Resolution
The resolution of each monitor must have different views of their size. The greater the resolution produced by the quality of LCD monitors are getting better. This resolution is also influenced by the wide screen monitor, the size of 1280 x 768 pixels (for sizes 15 inches) up to 1920 x 1200 pixel size (for sizes 24 inches). You will hear the term monitor HD ready (more expensive), this term for LCD monitors that support a minimum resolution of 1400 X 1050 pixels to support High Definition technology. If the monitor is HD ready, it can be said that the monitor is good enough.
2. Contrast Ratio
Contrast Ratio can be used as points to determine whether or not the quality of an LCD monitor. The higher value of contrast ratio the better the quality of an LCD monitor. What is contrast ratio? shows the contrast ratio between the number of black and white color, usually to show gradations of color, and are indicated by the value of many to one (eg, 1000:1 or 50000:1). Make sure the LCD monitor you want to buy has a value higher contrast ratios.
3. Response Time
Response is indicated by the value of milli-second (ms). The lower the value timenya response, the better the quality of the LCD monitor. A good response time between 2-5 ms, for the current standard LCD monitor.
4. Dot Pitch
Dot pitch is the size of the pixels on an LCD monitor. The smaller the dot pitch size, the more tightly images to be produced, and of course the better the quality of the LCD monitor. As an example of a good dot pitch with a size of 0282 mm (millimeters).
5. View Angle
View angle is your point of view in wearing the monitor. All you need to pay attention to the view angle of a LCD monitor, LCD monitor good angle thus has a broader view, this is used to see the screen from any side. When you're facing the monitor from a straight direction (parallel to the view of the monitor) then the monitor will display the picture (color) is best, but when you slide your body rather leftist / to right or up / down, then the color and brightnessnya will also change. Well good LCD monitor, has a wider angle view, so you can more freely to see the screen without compromising the quality of the resulting picture. Bad LCD when you slide your position will slightly change color and sharp. Value of good standard view angle is about 160 degrees horizontally and 160 degrees vertically.
I think the points above are enough for you to be considered in buying a LCD monitor. If lots of you will even confused myself ... hehe ...
Oh yes, there is also such thing as LCD TVs, LCD TVs certainly more expensive than ordinary LCD, with the difference in price between 500rb up to 1.5 million for each size. LCD TVs have the advantages can be used for enjoying Digital TV broadcast with a very clear image quality (which supports digital TV broadcast) ..
We recommend you purchase a new LCD monitor, do not buy used unless it can be accounted monitor quality. Will monitor these fears proved false or former reconstructed from a damaged lcd monitor.
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How to choose a good RAM

RAM (Random access memory) is a buffer for all the applications you run. And when the buffer is less, then use your hard disk (which clearly kecepatanya jauh2 slower memory dr) as virtual memory / the paging file. Medium-speed buffer was very influential in the speed and convenience applications you run. So if too many buffers are stored in the hard disk, the computer will seem to be slow, and the slower, besides that it would burden working hard drive with a super heavy. Because the buffer requires that access quickly and repeatedly.
Memory Corsair Dominator premium, OCZ Reaper, Team Extreme, A-Data Extreme if the account would be more expensive than on a memory from the manufacturer or Vgen Visipro. But if you compare the two types of memory that can be seen from the brand by trying each of RAM, will also feel the same.
What distinguishes the performance of each of these is the type of RAM chips used. So, the producers bought these chips from other manufacturers and create or to relabel the chip. Essentially there is a possibility also different brands such as Apacer, Visipro, Vgen, etc. have the same chip.
Differences in performance when the standard will not be felt, might only be felt at the time of the benchmark memory. But in everyday use will not taste the difference kecepatannnya with standard memory value like Visipro value, etc. Vgen value. For RAM most outstanding value in the marketplace using the IC (chip), Samsung and Hynix (Hyundai). Chip names easily seen in the IC attached to the memory.
Maybe it would be difficult to know the names of some memory chips at a premium, can be caused due to the closed memory heatsinks and some of them do not permit the opening of its heatsink (warranty reasons). Choosing RAM that has not seen a good performance of the brand or the physical shape and price. If the price of RAM up to 1 million, even with heatsinks for the basic-and for the basic form that looks sangar but dijalanin default, is not that vain? Got RAM with heatsinks for the basic-million for the basic but its chip Hynix or Samsung is similarly deceived aja.
Noteworthy is the characteristic of the chip was wearing, that's what determines the performance of RAM. And keep in mind also, that the performance of the entire RAM when running the default is the same. The difference is when the default benchmark, rose also to point adrift slightly. So we buy RAM useless dong good but dijalanin default. RAM quality usually denoted from its price can be seen from its ability to run at tight timing and also the high frequency (overclocking).
If you want to buy the RAM, please adjust to your needs. If keperluannya for everyday use (default), never force yourself to buy RAM chips sangar (good), who fall into the category Overclocking Edition. You can use the RAM that it is more economical value. But if you want to use for overclocking purposes, please buy the RAM that chipsetnya good and supported cooling heatsinks, fans all their products like Corsair. Note, do not be influenced to buy RAM heatsink.
A little overview for the type of RAM requirements
• For Windows XP 256MB minimum.
• For Windows Vista minimum 768 MB memory
• For Games at least 1 GB of memory
• For AMD platform select tight memory timing (CAS, RAS) for better performance
• To select a bandwithnya Intel great (PC5300> DDR2 / 3) for better performance
• To search the speednya overclocking the FSB speed over the mainboard.
• If your board supports dual channel memory should gunakn two pieces to get the method of dual access memory to perform better.

Do not stare at the brand but more on the chipset used on a memory such as a large influence on the speed and stability
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Tips for Choosing a Processor & Mainboard

Choosing Processor & Mainboard is sometimes complicated because there are too many brands and types on the market. Check out our article below as a guide for you to choose Processor & Mainboard that suits your needs.

Although there are many brands on the market that many outstanding processor, but we are trying to narrow the choice to divide it into two parts. This is based on availability and needs. The first part is the Intel Pentium 4 processor and a second family AMD Athlon 64 Family.

The second processor is a trademark brand of the most widely sought and used by most people and both have some features which are quite different. Among them are Intel uses long instruction pipelines that are designed to produce a clock speed Supertall scale. While at AMD itself did not use the feature, but rather use the features Shorter Instruction pipelines that produce good efficiency, but unfortunately could not produce a high velocity scale. To the general public will surely confuse these two things, so we will try to explain how the advantages and kerurangan of their respective trademark processor.

Intel Pentium 4 Family
Commonly called the Pentium 4. Although in one family but has a different speed. Similarly, the socket is used. The most used version of the Pentium 4 is using the socket 478. In the latest version has been used for socket LGA 775 motherboard supports the latest release of a few.

Prescott
Represents the first generation of Pentium 4 that has 1 MB of L2 cache and has a speed of 3.8 GHz. However, in this processor has a significant constraint, which has a fairly high heat. And the processor does not support the operating system and 64-bit applications. The bright side, this processor does have a good performance to support the needs multiaplikasi and gaming.

Pentium 4 Extreme Edition
Is a premium line of processors from Intel, for desktop PC CPU. Additions have also been using the LGA 775 socket and runs on the 3.46 GHz with 512 K L2 cache features plus a 2 MB L3 cache and FSB at 1066 MHz. He is also available in 64-bit CPU.

Pentium D
Intel CPU family that has a dual-core architecture. Some series are already available, including the Pentium D 840, 830, and 820 which have a clock from 2.80 to 3.20 GHz with 800 MHz FSB. L2 cache with its 2 × 1 Mb. With dual-core processors, expected to perform data processing with a shorter time. In addition, this processor has been equipped with EMT64T (Extended Memory 64 Technology), which supports the operating system and 64-bit applications.

If you are interested to buy the output processor Intel Pentium D processor ranks apparently is an ideal choice. Dual-core processors and support 64-bit main reasons. Because in the future all applications and the operating system will use 64-bit. In addition to selling price of this processor is quite relevant, which is around U.S. $ 279.

AMD Athlon 64 Family
AMD has three types of processors with the performance of different. Namely, 64 and Athlon FX Series, also Sempron. Although the three have the same basic technology, but several features and prices offered have significant differences.
Basically, the AMD Athlon 64 processors are able to produce high-speed applications that use a lot of floating point and needs a large bandwidth. Why is that?
AMD Athlon 64
In this processor has two versions. The first version of which still use single-channel memory. Ie using the Athlon 64 socket 75. While the latter uses socket 939 and already have dual-channel memory technology. For the price, of course, the Athlon 64 754 has a cheaper price than 939. Both have amounted to 1 MB of L2 cache, while for the speed offered range from 2.4 GHz to 3.0 GHz.

Athlon 64 FX
This processor is the most appropriate processor to support gamers, because in addition equipped with 1 MB of L2 cache with the lowest speed on offer amounted to 2.6 GHz. In both the AMD Athlon processor output 64 or Athlon 64 FX and the application already supports 64-bit operating system. And now that AMD has issued a dualcore processor, which AMD Athlon 64 X2, still using socket 939.

Core Logic Chipset

As we noted earlier, one of the section to select the motherboard used in addition to determining the processor, core logic chipset is also part of that is no less important to consider. Why is that?

If likened to a motherboard is a city, then the core logic chipset is a local government through setting up information flow. The chipset has a vital task. He will command what should be done by the USB ports, also determines how fast the system to access memory. Thus the function of the core logic chipset is very important to support the computer performance.

Today, some motherboards use two quite different scenarios. The first scenario is a motherboard designed for Intel Pentium 4 processor. Still adopt the old way, using Memory controller embedded in the chipset nortbridge.

In this scenario, the chipsets on the motherboard memory controller on duty at the same time as that is the engine controller to manage all the existing needs. Memory controller is located in the Northbridge chipset is located to the relative distance is not too far from the processor. The aim is to produce large memory bus bandwidth.

The second scenario is the motherboard for AMD Athlon 64, Athlon 64 FX and Athlon 64 X2 which has a different remote with Intel. On the motherboard AMD Athlon 64, memory controller nortbridge no longer contained in the chipset, but moved into the processor.

In this condition, the bus memory controller can be just as quick with the speed of the processor cores. Thus, making a couple of gigahertz faster so it can produce a much faster performance than the first scenario.

However, this is not an absolute victory, because the amount of which is owned by AMD's performance lacking in flexibility.

Intel does have a fairly good flexibility. For example if you now buy the Intel Pentium 4 processor, you can use these processors on a motherboard that uses DDR400. Likewise for the motherboard DDR2/800
even for DDR3 motherboards, which will be released soon.

It does not happen if you use a processor or AMD Athlon 64 FX 64 because the controller was attached to only one memory technology. So you must adjust your memory use in accordance with an integrated controller contained within the processor.

That's one reason why until now still adopt AMD 400 DDR memory technology. Because in addition to still want to give flexibility to consumers, AMD also assumes the ability of the resulting memory bandwidth of DDR 400 is still able to handle all the computing needs of the current process.

Although all referring to the memory controller chipset, but the core logic chipset itself has several functions crucial. Namely the performance of USB, disk, and how fast and VGA PCI slot (AGP or PCIe x16) data transfer.

Last chipset development

Intelligence
For now Intel has launched a motherboard with 955X and 945P chipsets that support DDR2/667, and expressly left the DDR400. But on this chipset, the most favored is the ability of the chipset supports dual-core processor features.
NVIDIA
After it was contrary to Intel, nVIDIA chipsets can now side by side with an Intel processor. By trying out new chipset is nVIDIA nForce4 Intel Edition. Previously attended a similar chipset for the Athlon 64 bases. On the chipset has to support SLI technology and are equipped with SATA 3 GB also Firewall. Unfortunately, there is no certainty of nVIDIA, regarding these chipset support for dual-core processor.

VIA
Although manufacturers are slow to develop this one instead of two producers of technology which we have mentioned above, but VIA has released the VIA PT984 Pro. The uniqueness of this chipset is able to run PCI Express x16 video card is also AGP 8x. Both can be run simultaneously and supports dual monitors. However, it differs with SLI. Because the SLI configuration, capable of dividing
bandwidth data from two video cards. In addition, VIA provides two choices of DDR400 and DDR2 memory is 667 so it can adapt to their needs.

Once before, we give a few tips for choosing the processor, then we will give also you how to choose the right chipset.

- The first thing that you must consider is the type of chipset used. Do not be fooled by the names of unique products. Some manufacturers deliberately use a name that is unique to attract buyers. However, not infrequently the results and performance of its less according to its name.

- Notice the speed of interconnection between northbride with southbridge chipset. Using 133 MB minimum speed / s. Some latest product to reach the 2 GB / s. Which should be required, it is a difficult question. For the needs of 'normal' 800 MB / s up to 1 GB / s is quite adequate. You also need some consideration for the chipset configuration if there is a 4 PCI Express X1 in a sourthbridge, you will need 1-2 GB / s bandwidth connections to support appropriate, but if there is only the path X1 is connected directly to the Northbridge, the interconnection is not your need.

- Notice southbrigde chipset, motherboard manufacturers can easily switch the chipset with other chipsets. And if it happens, then some features will be owned by fewer and limited. Therefore you should pay attention
correctly.

- Similar to choosing a motherboard, chipset right to vote you also need a second opinion to give an appropriate reference. Therefore you can get from some reviews in the media about the chipset so that you will not regret in the future.

After all, we explain, then you live that determines the choice and survived to build a new computer. Hopefully with this guide, you will not get stuck in the vote.
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How to choose your desired laptop

When you want to buy a laptop course there are many things that need to be primed for your consideration not to see his brand. Each laptop any brand of the same strong and obstinate that famous and often also have problems like broken from it all, but all decisions must be viewed from what your needs for its application.
Here are tips and suggestions:
1. Make sure to what work will be used Laptops and any applications that will be installed so that you can prepare its budget, why would I say this because he later you would be wise to specify the options that suit your budget and limit choice unless you have lots of funds may choose a higher specification.

2. Choose Laptop with longest warranty period, and see what is in the warranty in the first year, two and so on read all the rules written on the card guarantees and choose which of his many services have a place not that many places services mean many are broken but that they are ready to serve you and facilitate you to repair and consultation of all your problems remembering things that laptops are often loyal to accompany you wherever you go, on your job especially if you are frequently out of town or out of the country so that all problems do not interfere with your work. 3. processor and memory is important because it must be balanced with the operating system and any applications you want to install ...
because if its fast processors but his memory is very small, or vice versa does not support to the working system of the laptop itself so it should be balanced ...
Suppose you want a laptop-based Celeron, Intel Core Duo, Core2Duo or AMD if its Windows XP operating system, at least you wear with memory ranging from 512 Mb and not more than 1.5 GB because not only will add to the budget was not balanced .. . except if its operating system has been using windows vista you may use more memory 2 Gb and also depending on the application software will be installed.
So I hope you are not wrong in taking a decision to buy a laptop like what best suits your own needs and expectations.
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Minggu, 27 Juni 2010

Tips on caring for laptops

Laptops are more vulnerable damaged or "fragile" than on a PC. Therefore, we must treat or care for her properly in order not to rapid deterioration. Do not get the new laptop we bought a few months become damaged simply because we were wrong to treat and take care of him. Here are some tips for a laptop to work on maximal performance.

Do not draw near with a beverage or liquid with a laptop, when it comes to spill into the laptop, it can cause the components inside konsleting.

Do not put a laptop with a magnetic field source, such as TV, Speacker Active, Radio Tape, or phone. The magnetic field affects mainly laptop hard drive components.
If bringing a laptop to put into special bags. Laptop bag made in such a way that the laptop casing does not easily scratched with objects around or even able to reduce small tremors. If you need to periodically clean the casingnya with fabric / cloth can be purchased at computer stores.

Do not move-move the laptop while still alive. Laptop hard drive being alive means also being driven to work so that if the scratch disk can cause the cylinder heads so that it will be fatal.

Use stavolt or stabilizer. When using electricity directly, be sure to use stavolt / stabilizer or UPS to anticipate the rise and fall of electric voltage.

Do not lend your laptop to just anyone. This is solely to prevent the possibility of harsh treatment when we lent a careless accident.

Install anti-virus and updatelah regularly. Do not indiscriminate download free software from the Internet. Maybe we download malware / spyware masquerading as a specific freeware.

Put the laptop in horizontal position do not tilt. In addition to ergonomic also causes less disk position is not in the correct position ..

Shutdown properly. Never turn off the laptop by removing the power / battery. Electrical power can cause sudden death hard disk problems.

Keep in place with a temperature that is not too extreme. Do not ever leave your laptop in a car that was parked in hot or the engine was still alive. Excessive heat can damage components of your laptop.

Do not put the laptop on a soft surface, so that the laptop seems a sink that can block out so hot for hot laptops faster.

Never disassemble the laptop itself. Especially that still laity. If you're still within the warranty period be wise if you take her to the official service.

LCD screen wipe with a soft cloth and dry. Wipe with a soft, do not press too hard and one direction only, eg from left to right. Liquid crystals formed by the LCD (to display the image) so that its surface is thin and fragile. Therefore, even if it must appoint a monitor with your finger or a pen (or other object) not to touch them let alone pressing hard.

Clean the keyboard with a vacuum cleaner or a spray of air on the sidelines of a button. Do not knock or shake the keyboard so hard.

Exercise caution when opening and closing the laptop screen. Between LCD with CPU are functioning so that the LCD hinge can move freely according to the slope that we want. At the time of opening or closing the LCD, do not jerking too hard which can lead to broken hinges.

Treat the battery correctly. Especially for the use of batteries should be your first time filling and emptying three times in a row, and apply also to the old battery is stored or used not weeks. If using the Ni-MH battery type you need to clear every week / months. If you plan to store a laptop in the long term should remove the battery from the laptop.
(From various sources)
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