Question about IBM ThinkPad T21 Notebook

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Laptop won't boot

When I try to start my IBM T21, I get nothing but a millisecond green light on my hard drive icon on the keyboard. I've tried with and without a battery, and have tried a different DIMM. Could this be my CMOS or maybe the MB gone bad (the battery does charge)? Thank you...

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  • 78 Answers

This could be an indicator of one of two things: 1. Bad motherboard 2. Short circuit. If you can, disconnect the CD-Rom drive, hard-drive AND the keyboard if possible. If you turn the laptop upside down you can normally see the screws relating to each of these components. Do one at a time and test to eliminate them. M

Posted on Aug 21, 2007

  • Brykx Sep 06, 2010

    Try to hold the "Fn" key then press the power button

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