謝謝各位大大的回應… 我的問題已經解決了…爽…爽… 我也有寫了一封e-mail到gigabyte...... 以下是他們的回應… hello, this symptom tells some how bios was damaged or corrupted , try take onboard cell battery out for 5 sec clear CMOS then test with single stick memory ( put in slot close to cpu ) check if system can boot into bios setting if issue still mother board need service please refer to our warrany : All motherboards carries an 3 year warranty from the date it was manufacture ( according to serial number ), products which was purchased within 30 days from invoice will be handled directly from your vendor or dealer they will replace mother board . Over 30 days please log on our online RMA service http://rma.gigabyte-usa.com go to end-user click on add new request fill out the RMA request form click on submit , later will receive RMA # and send back instruction .