My ThinkPad 390X requires a Bios Password, which is unknown. I have removed the CMOS battery, the main battery and the AC adapter. Will the BIOS eventlly clear, or is there another operation required to clear the BIOS. Your friend, Jim Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://freepctech.com/pcbuild.shtml