Sometimes, after booting your PC, it will display a BIOS ROM checksum error, preventing your PC from starting. It may be due to some invalid or not accessible data segments. Here we will give you more ...

win7系统开机遇到蓝屏、有时黑屏，更严重的情况是开机直接死机，直接黑屏无法开启。 Win7 64位系统 中有用户在开机自检的时候黑屏，弹出"CMOS checksum error-Defaults loaded"的提示，需要按F1或是DEL键重新设置才能正常，出现这样情况怎么办?下面让小编来给大家分析 ...

it's actually CMOS that you have to clear, if you're sure you're using the correct jumper, try removing the CMOS battery for about 5 mins.

This may not help you (apologies if it's brutally obvious), but the only time I've seen a "BIOS Checksum Error" was when the motherboard battery was dead.

QUESTION: When I start my computer it stays black on the monitor, but the PC just beeps, getting higher in pitch. Then it stops beeping and it does nothing - it is on but it just sits there until I ...