![]() ![]() My thinkpad t61 has still warranty and was sent in because the main board crashed December 2009. Lenovo System Update also verifies your system with that serial number and if it is not changed you cannot use system update. ![]() Change In Bios Lenovo Serial Number And If Change In Bios Lenovo Serial Number And The Serial Number on my old motherboard is different than than the one on my computer.I could try the CMOS clearing thing where you unplug the computer and remove the CMOS battery (one did come with the new motherboard) for a minute to completely drain everything.įrom the menu of the system look for option written as System (All settings). If a response answers your question, please mark it as the accepted solution. Change In Bios Lenovo Serial Number And If.Change In Bios Lenovo Serial Number And.↳ ThinkPad SL and L Series until L420/L520.↳ Forum Notices, Questions and Suggestions.FORUM RULES, HOW-TOs and FREQUENTLY ASKED QUESTIONS.Sorry for all the questions but maybe any answers will help others too. If I enter in the old serial number will the IBM upgrade software assume my thinkpad has the 9000 or will it detect the FireGL? Any ideas on which is right?Īlso I upgraded my systemboard from a (dead) Radeon 9000 (T41) to FireGL 128 T2. Is this correct? Also I've seen two opinions on what to enter before the serial number: either 1S or S1. Does one calculate the UUID and one enter it into the EEPROM? Any ideas? IDCSUMAL.EXE & SCIACSUM.COM seem to refer to check sums, has anybody any idea when and if they need to be used? I've read on the forums that you have to press ESC while the "IBM Access" screen is on to allow EEPROM writes. ATUUIDAL.EXE, UUIDCALL.EXE, AUTOUUID.EXE must deal with UUID. ![]() I'm guessing the SERUPDT.EXE (and not the older SERUPDT2.EXE) is the one to update the serial number. There are a whole bunch of utilities on it with the latest date being. I made a boot "disk" with the Thinkpad Hardware Maintenance Diskette version 1.74. ![]()
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