how can i fix my low battery voltage on my computer windows 7

Lenalove

Reputable
Dec 12, 2015
1
0
4,510
my computer keeps saying battery voltage low. press f1 or f2 to start but when i push either of those keys nothing happens. the only way it works is if I unplug my system and wait 30 seconds to a minute and then it comes up properly!!! what do i do? I have a dell computer and it is a window 7