Thinkpad Hardware Maintenance Diskette Version 176 Extra Quality [patched]

Always take a picture of the serial number sticker on the bottom of the case before beginning any work.

Lenovo designs ThinkPad security protocols to store Supervisor Passwords in a highly secure, separate cryptographic chip or protected enclave within the EEPROM. Always take a picture of the serial number

When prompted, enter the 7-digit Machine Type and Model followed by the 7-digit Serial Number. Always take a picture of the serial number