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Supervisory Password Thinkpad T21
After removing the cmos battery, my thinkpad asks for a supervisory or power up password before booting. I opened it up, and there are no jumpers to reset the password, neither is there a security chip. I already tried several backdoor passwords for its phoenix bios. Nothing works. Would...- 2244221
- Thread
- Replies: 3
- Forum: PC hardware - General discussion
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I removed the back up battery of a Thinkpad
I played around with a Thinkpad T21 2647-8AG and removed the back up battery. Now the Bios requests a password. Why does it ask for a password and what to do against it ? Thanks for your help guys.- 2244221
- Thread
- Replies: 1
- Forum: PC hardware - General discussion
