If you change date and time and save changes in bios then unplug power cord, replug later and bios forgets the saved date time, it means truly the cmos memory is gone, either due to a bad battery charging circuit or cmos chip itself defective due to age, despite a fresh battery being in place.
Hello there, i wanna ask u guys about any solutions about this problem I already try All method by resetting CMOS, Changing CR2032 Battery, Upgrading RAM, resetting BIOS, even i Changed my PSU with a little upgrade from 280W original PSU (Model Number: H280P-01 REV: A03) To GameMax GS-450 80+ Micro SFX PSU comes with 450W, but the System Voltage Error still showing nowadays, anyway i just keep trying to fix this PC since i was a kid and got no idea what caused this
My OptiPlex 755 DT always showing System Voltage Low