Q:DELL notebook, today a boot found that power is not power, plug the power supply does not even the computer power adapter is working, the lights are bright, a computer and so on to the off, the computer is not charged, how is it? Is the problem of power or computer problems? Rush!

1, with a multimeter to check whether the normal socket, the supply voltage is 220V. If the utility voltage is not normal, it is recommended to replace the use of environmental testing. 2, with a multimeter to check the power adapter output voltage and current is consistent with the label. If the gap is very large, and the mains voltage is normal, you can determine the power adapter failure, Need to replace the notebook power adapter. 3, if the above check is normal, remove the laptop battery, do not external adapter. Press and hold the notebook power button 5 seconds to repeat 3 times. After releasing the notebook residual charge, Insert the power adapter separately, power on the test. 4, if the fault remains the same, check the notebook's power interface, whether abnormal. Such as loose or the appearance of damage and so on. 5, the above check are normal, basically can be a preliminary judgment is the notebook motherboard failure. Recommended repair service station.

Q:The computer did not respond, no matter what plug in the power adapter, the battery has no electricity, and suddenly shut down is in my intention to plug in the power when charging a plug in the power of the computer can no longer open the machine

It should be the motherboard power management chip is broken.

Q:Laptop power adapter, 19v ~ 2.37A. I bought a 19v, 3.42A, the battery is not harmful ah!

Alternative principle: the voltage must be equal, the current can be large.

Q:HP laptop plug in the power adapter wireless fast speed, unplug the power supply speed slow how to solve?

It is possible to charge the line at the socket and the line at the line where there is a bad contact with the proposed maintenance.

Q:ASUS notebook A45V power adapter model

ASUS power adapter is generally ordered, the market is not sold. If your adapter is normal there is a failure, you can go to the service center to detect maintenance; If you want to buy, you can also go to the service center to buy the original adapter, the original adapter work voltage, the current is relatively stable, will not cause damage to the machine; If you decide to buy the market, it is recommended to choose a big brand, a good reputation and improve the quality assurance business to buy; Your machine's adapter operating voltage and current are 19V, 4.74A. Also, please choose whether to support the use of ASUS notebook to prevent buying errors. Thank you for choosing ASUS products, I wish you a happy life, thank you!

Q:And that the output connector size is not the same, if you can substitute, then I intend to change that connector

Can not be used to blast the fire station to buy a new 300 + silver

Q:My ASUS notebook adapter can use Lenovo adapter Mody

As long as the power adapter interface is the same, the output current and voltage are also in use, it can be compatible with the use of this power adapter. Lenovo 20V 3.25A ASUS 19V 3.42A, 65W If the interfaces are the same, then the two power adapters are interchangeable.

Q:Laptop computer power adapter computer light does not shine 'how is it

After the notebook opened to see the lower right corner of the power indicator shows the state of charge? If there is, that is, the indicator is broken, if not, that is, the power adapter out of the fault.

Q:4.74a power adapter with 3.16a laptop, and, 3.16a power adapter with 3.16a laptop, what's the difference?

Charging quickly, do not feel otherwise, harmless.

Q:A while ago my notebook's original power adapter after the break on Taobao dozens of dollars to buy a cottage to use, recently played a large game such as dota2 or large stand-alone game play always always automatically shut down, The machine is also very hot, the exhaust is also very little wind out, do not know because the computer dust too much heat or because of the power adapter problem.

Power adapter, will not affect the game, unless you buy the power adapter power is less than the original, the general independence of the notebook adapter at least 90W, set significant 65W,