Power down, unplug the device and remove the battery.
Now hold down the power button for 30 seconds. Plug in the charger, without battery, and see if it works. If it works then install battery. Does it still work?
This may help removing battery:
Acer Aspire 5750-6667 Battery Replacement
Let see what else. . . .
- What do the lights do? What colour is the charger light, does it blink? Etc. Does the drive light come on?
- Battery out and charger disconnected, as always before going inside.
- Reseat the RAM by taking out and re-inserting. If two try one and then the other in each slot.
- Disconnect hard drive.
- Disconnect CMOS battery - look at 4:17 of the video to see the CMOS “coin” battery on the bottom left. Take it out for
This may help with tear down:
If you need more directions just ask.
You know if it worked before it is likely nothing serious for it to not to work - unless something unusual was happening before you stored it????