Laptop motherboard Troubleshooting How to repair
First, the motherboard breakdown classification
In general, we can divide the motherboard failure into four categories:
The first category is based on the impact on the computer can be divided into non-fatal and fatal failure of the fault. Non-fatal fault also occurs
What to do if the laptop motherboard fan does not turn
Sometimes our laptop board fan does not turn, what should we do? Then the following is to learn the small make up to you to say that the laptop motherboard fan does not turn the solution bar, hope can help you Oh!
What to do if the laptop motherboard is out of power:
First step.
First, pin 14 and 15 short, and if the fan on the ATX power supply rotates, skip this step and look at the next one.
If the fan on the ATX power supply does not rotate, use a multimeter to cross the +5svb end of the Pin9 to measure the Pin15 voltage, and if there is a +5v voltage, then there is a doorway, please see the next one. If there
How to judge the laptop motherboard is broken
Turn on the fan but the monitor does not show, it is possible that the memory strips loose, wipe the gold fingers with the eraser after plugging the boot up to see how the situation, if the failure is still likely to be the motherboard is broken.
Press the boot key does not boot or no response/
Laptop motherboard temperature is too high to do
First of all, or from the most basic and most important fan cooling began. Be sure to ensure that the fan mouth is not dusty, there is dust can be on the computer with a brush brush a few, dust will be blown away with the wind:
If the fan is too dusty, it is recommended to use a dedicated compressed air spray in the shutdown State or open the panel to clean
From http://blog.csdn.net/Treeyan
In fact, it is not original. The materials are mostly from the Internet through Google.
Some time ago I bought a hp-dv1702 laptop, core Single Core CPU, 5400 turn hard disk, watch a movie very good. the core CPU supports the speedstep technology. When you are not busy, it always works at around 800 MHz, with a low calorific value. The BIOS sets the fan start temperature to 75 degrees CPU, and the fan rarely turns aro
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