Forum Discussion
Laptop randomly reset itself?
I have this older Latitude E5440 (it's not great) running Windows 10 (90% sure). I actually bought it from someone awhile ago (it had Microsoft Office) and used it for a bit and then let it sit for s...
All motherboards have a small, coin-sized battery (the CMOS battery) that remembers your computer's hardware settings and the system clock, even when unplugged. Your laptop's main battery being "very dead" for months likely caused this small battery to die as well. When this happens, the motherboard forgets all its settings and restores defaults.