![]() To check the mainboard manual or look for the jumper on the mainboard that says PWD, CLEAR CMOS, CLEAR, CLR, or PASSWORD the jumper is usually near the BIOS Flash chip. Then the Bios information can be reset by changing the jumper to clear password. Just discharging the CMOS may not reset the password. Now many new types of mainboards use Flash chips to store bios information. So it is suggested that to wait at least five minutes or more after removing the battery before putting it back in. Different mainboard batteries are different, the following figures are only examples:Īttention please, since CMOS requires just a small current to maintain the stored data, and CMOS power supply circuit generally has a capacitor whose stored power may maintain the power supply for a long time, thus this method may not work in a short time. ![]()
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