My computer is HP CQ45-306. Spent three years has been good, just accidentally hit the power adapter, the results of the computer immediately shut down. Restart the power adapter can not be found, the right side of the small white light will not light up, and now the computer can only use the battery, the battery can not be used after the boot. what on earth is it? There is, if you need to change the power supply ...
Is the notebook on the power access terminal bad contact, too loose will be bad contact, if the power plug in the boot when it is often heard that the spark is an adapter is not normal phenomenon, if the new adapter, then please Are you sure that the adapter you are buying is compatible with your computer?
Buy the adapter recommended the choice of formal after-sales outlets, although the price is more expensive, but to ensure that the adapter is genuine, Taobao and computer city now a lot of fake, not recommended to buy. In addition: you can also choose a third party compatible adapter, such as sailing, product wins.
Power supply if there is a problem, then suggest that the landlord contact HP aftermarket.
There are two possibilities
The first part of the power supply part of the motherboard problem, the power supply can not be properly put into the power supply, resulting in the computer and battery can not charge. It is necessary to repair the motherboard or replace the motherboard.
The second power supply is really broken, you need to replace the power supply, do not recommend self-repair power, if you need to buy, buy a direct Taobao simple and cheap. Choose good sales and credit high point of the good, and remember not too cheap, of course, election is too expensive is not necessary.
Detection method to see friends have this model of the computer or a general power supply with his power plug your computer can use, that your power is broken. Use your power to plug his computer, his computer can not be charged, but also that your power is broken. With his power plug your computer, or can not power, indicating that your computer motherboard power supply part or that interface problems. If your power can be normal to his computer to use the normal charge, but also that your computer motherboard power supply or that interface is a problem.
Frequently asked questions are: computer and power jack where bad contact or have been worn. There is an open circuit in the middle of the power supply circuit. electricity failure.
Get the computer market or check to the maintenance point
The simplest is to use a power adapter to try to see is not the power adapter problem
