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Use your charger and test the battery. If it is good, I would suspect either a bad power button or something has come unplugged internally. It is possible, however, that the motherboard or RAM could be bad.
This may cause by an electrical charge in the motherboard itself,Im not really sure how it affects the display of the computer.There's also a possibility that the problem is with the LCD cable or the LCD itself. Please follow this method since it usually fix such problem like that,
1.Removed the battery then unplugged the AC adapter
2.Press and hold the power button or the ON/OFF button for at least 30 seconds
3.Connect the power supply back to your computer then turn it back on.
4. Check if you will see any difference.
5. If nothing happens, try to press and hold Fn and F2 on the keyboard.
If nothing happens, there is a possibility that the problem is with the LCD or monitor itself, maybe it will need a replacement...
I hope this information will be helpful. Thank you for using FixYa...
Do a power drain, this may cause by an electrical charge in the motherboard itself,Im not really sure how it affects the display of the computer but this method usually fix such problem like that, First, removed the battery then unplugged the AC adapter then press and hold the power button or the ON/OFF button for at least 30 seconds then connect the power supply back to your computer then turn it back on, if nothing happens, there is a possibility that the problem is with the LCD or monitor itself, maybe it will need a replacement...
Hope this will help...Your response is very much appreciated...
You may want to borrow an a/c power source for you laptop... just to check to see if yours is non functional. If the a/c isn't charging the batt, then no matter what config, it won't charge... seems like this may be your problem The icon may be sensing a connection even if there's no power...not sure... make sure the connector isn't distorted...
A fast check to determine whether you have a problem with the power
adapter, power cord or the laptop's battery is to turn off the laptop,
remove the battery, connect the power adapter, turn on the laptop &
see if it works. If the laptop works directly from the power adapter
with the battery removed, then the power adapter is good. In this case
we can suspect that the battery is defective.
I just had same problem with 2 laptops. Power light came on and fan ran a few secs but nothing else. I replaced motherboard and CPU in one. The other just had to reseat CPU and it works like a charm. I thought it was AC adapter or LCD but it just had to be reseated. I would try that before I bought anything.