Question about IBM ThinkPad T20 2647 Notebook

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Thinkpad T20 no boot

Hi, I have a thinkpad T20 that I am repairing. presently, it will not boot up. powers up ok.. has memory, hard drive and cpu.... but nothing happens beyond that... ie screen stays black. you can hear the fan running... I also replaced the cmos battery. that's about it. no beeps with all dimm slots filled. with dimm slots empty.. get 3 beeps twice then 1 short beep.
Thanks,
Mike Moss

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  • mrm777 Dec 20, 2007

    Thanks for trying... already tried that however... Mike

  • matwood Dec 23, 2007

    it powers up but won't boot the fan is on but no bepps

  • Anonymous Dec 28, 2007

    I have had the same problem. I think it has something to dow ith the squareX symbol next to the battery power button on the right side of the laptop but I'm not sure. Does anyeone know how to get it to work after this has happned?

  • Rogie Jan 04, 2008

    Hello! My friend's T20 doesn't power on. The battery indicator is green. The hard disk indicator lights but stops when you press the power.The other indicators do not light when they should be to indicate that the laptop is on. No LCD display. The laptop is not working...

  • Anonymous Jan 07, 2008

    I notice the square x light doen't light. When I get the laptop to turn on the sq x comes on. What is this and how do I get this fixed?

  • Anonymous Mar 17, 2014

    X200 thinkpad seems to run ok, but on completion of boot there are two short beeps and then it continues seemingly to run OK. Should I be worried?

  • Anonymous Mar 17, 2014

    Laptop seems to run OK, however, toward the end of boot up there are two short beeps, and then it continues seemingly to run OK. Running idle at about 37 - 41 C, and working in the high 50's. Running WIN8 Pro.

  • Anonymous Mar 24, 2014

    no power no beeps the adaptor ok memory good condition and processor ok

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The ThinkPad T20 overcharge the capacitors and this is why do not start even when the lights are on.

To fix the problem, disconnect the ac adapter and hold the on / off button for about 60 seconds. After that, reconnect5 the ac adapter and turn on the computer.

Posted on Jan 19, 2008

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The laptop is not booting up at all it sounds like - I have seen a lot of t20 series laptops fail this way.

First try an external monitor to make sure it is not an LCD issue.

Then try a replacement CPU. If that doesnt do it the motherboard is probably bad. I have one here right now doing the same thing about 1/2 the time.

replacement mainboards seem to be cheap these days though - here is a bottom half of the machine for sale on ebay:

http://cgi.ebay.com/IBM-ThinkPad-T20-T21-Motherboard-P3-850MHz-CPU-R22_W0QQitemZ250204010810QQihZ015QQcategoryZ60268QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Posted on Jan 10, 2008

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Try plugging it into an external monitor and see if it shows up,or without monitor,hold in the fn key and press the F key that had a picture of a monitor on it.

Posted on Dec 23, 2007

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TRY TO GO OLD SCHOOL AND USE A WIN 98 SART DISK OR TRY TAPPING F8 ALOT DURING START UP AND SELECT STEP BY STEP START

Posted on Dec 19, 2007

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Posted on Jan 02, 2017

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