Why Laptop plug in the AC Adapter and Battery but can’t be switched

Many people may come across this situation, that is the laptop plug in the AC Adapter and Battery but can’t be switched, most of them may think there is something wrong with the AC Adapter or the Battery, in fact, In addition to the AC Adapter and Battery problem, other problem may also lead to this situation, such as cooling problem, Excessive dust, Mobile improper, Hardware and software is not compatible, memory and hard disk problem and so on.

1. Cooling problem

The LCD Screen, power supplies and CPU have a very large heart during working, so it is very important to keep a good thermal environment. If the monitors overheating will result in color, image distortion and even shorten the display life, Long working hours can lead to power or display poor heat dissipation and caused the computer crash, CPU cooling is related to the stability of the computer running, it is also the thermal failure of the "hardest hit". The laptop battery is also a part that make large heart.

2. Excessive dust

When removing the computer, if get large vibration will often cause the devices inside the laptop loose, resulting in poor contact, causing computer crashes, so when you remove the laptop should avoid excessive vibration.

3. Excessive dust

There are too much dust in the machine will cause a breakdown failure, if the floppy drive head or CD-ROM laser head contaminated too much dust will lead to read errors or even cause serious computer crash..

4. Device does not match

Such as the motherboard clock speed and the CPU frequency does not match or the old motherboard overclocking FSB set too high, may not guarantee that the stability of operation, resulting in frequent crashes.

5. Hardware and software is not compatible

3D software and special software, it may in some computer can not start properly or even install, which may have the hardware and software compatibility issues.

6. Memory problem

Mainly due to the quality of the memory loose, Weld or memory chip itself quality problem. It should depend on the circumstances exclude the memory access fault, it is the memory quality problems, you need to replace the memory in order to solve the problem.

7. Hard disk problem

It is mainly the hard disk aging or due to improper use and cause the bad sectors, bad sectors. This will make the laptop very prone to crashes when running, you can use special tools to troubleshoot processing, if serious damage can only replace the hard disk.