笔记本一开机就响两声，还要按F1，怎么回事

Question

如题所述

Answer 1

The AC power adapter wattage and type cannot be determined.The battery may not charge.The system will adjust the performance to match the power available.Please connect a Dell 90W AC adapter or greater for the best system performace.Strike the F3 key (before F1 or F2 key)if you do not want to see power warning message again.Strike the F1 key to continue,F2 to run the setup utility

Answer 2

有两种可能，第一是时间不对了，第二是CMOS电池没电了。