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本帖最后由 古话 于 2021-5-29 10:35 编辑
pojieLenovo T480s BIOS密码1. 先保存原来带密码的BIOS。
2. 移除电池和CMOS电池,下载T480s_CLEAN,刷BIOS。
3. 接电开机,按照提示,输入SVP密码时输入“1234“,过50-60秒后关机。
4. 刷回原来的的BIOS。不刷原来的bios的话,所有参数都没有了,包括SN,型号什么的。自己修改很麻烦。
有问题参考英文。
Remove The Battery CMOS . Also make sure laptop's main battery is out and disconnect the internal front battery if used (many new Lenovo may have an internal battery, the black box) by removing its connector from the motherboard. It is important that the laptop will have NO The main Battery attached and the NO Battery CMOS .
Flash BIOS with my attached file please erase it before programming
put cover back,plug in the AC adapter and press the Power button and start it . You may hear some beeps then you will see the Lenovo splash image, press F1 first second while boot logo to get the SVP password prompt and enter "1234" for SVP and press Enter. Next page will show you Bios-Downloads DXE driver loading and showing "Press any key..". Wait about 50-60 seconds before pressing any Key. Next it will display the warning message and the laptop hardware ID again . Do not disconnect the AC during this process!
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