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 ...

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 ...

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.

Since I last ran a reader Q&A a few weeks ago, I’ve received another compelling question. Reader Robert has an older Emachines desktop that recently developed a problem: “I installed a driver updater ...