Hello, my laptop Acer (TravelMate 4152LMi) does not see that it is connected to the AC power and it run the battery until it is exhausted and now I cannot use it at all. When it still had the battery, the AC power indicator would disappear for no reason and appear only after the restart. Now, when I plug it into AC power, the green light of the charger is lit on, the power light of the laptop is lit for some seconds, then it blinks at regular intervals (half a second after some noise, probably, of the hard disk but I am not sure) and it does not charge.
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There could be a problem with the battery. 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 & needs to be replaced.
First power drain your system take the battery out unplug the acadapter and then push the power button on the laptop and keep it pressed for 2 mins without connecting any power souce this will drain the static power from the syteme after few mins connect the battery first and then connect the ac adapter that should take care of the issue.
Did you double post this question? I think you might have a hardware profile set up not to turn off wireless when in plug mode. If that isn't the case look in the BIOS and see if there is a setting in there. You could also check the power settings on your laptop.
Try removing the power cable and battery, while these are removed press and hold the power button on the laptop for 30 seconds. this is called a hard reset, what it does is drains any residual power in the laptop. if this does not work, that means there is an issue with the motherboard. to have it sent in would cost about $398, give or take.
There are probably some corrupt files on the harddrive or there is damage on the hard drive. I would suggest to try using the windows setup cd or sony recovery cd to restore the system back to normal, if the problem is not solved by that then you most likely have a hardware problem which is most likely in the harddrive, might have to replace it, they don't cost much.
if you press f8 in start up to get the advanced startup menu, select safe mode.
start in safe mode and login
press start -> now run -> type in Cmd -> Type in the shell window -> chkdsk /F /X /R C:
if asked select Y to perform the operation on next start up.