Updating a mainboard motherboard
If that’s the case, most likely there is something wrong with the battery charging circuit or DC power jack.
When a system board fails, you may experience the following most common problems with your laptop. Most likely this is related to the VGA chip failure. The laptop turns on without video on the screen and the power LED starts flashing. The laptop works fine with AC power adapter but will not charge a known good battery.
Firmware updates help resolve any hardware related issues you may be experiencing with the CD drive such as being unable to read some CD Discs or may update the region code on your DVD drive.Computer BIOS updates should only be run when you are having compatibility issues with your hardware or you feel that your computer hardware is not performing as it should.Visiting your computer manufacturer or motherboard manufacturer page allows you to see if any BIOS updates are available for your motherboard and what the updates will fix.This is of course necessary as the motherboard of a laptop is very expensive and not covered by a warranty, so the better option would be to buy a new laptop.But before you reach to the conclusion, thoroughly assess the motherboard damage.