T43 does not boot, must remove battery and try again.

T43
2686-E7U
My computer frequently will not turn on, requiring me to take out the ac and the main and ultrabay batteries, sit around for a while, and try again and again. This never fails to start the computer eventually, but i'm also afraid one day it simply will not start. Currently i've decided not to turn off my computer, I just suspend and restart it from time to time. Stability wise it is solid, but i'd like to get this fixed before my warranty expires and I don't want to be long without my computer. This has been an ongoing problem for most of this year.
I no longer have a working windows partition, I run ubuntu, so i'd rather not have to mess with reinstalling the bios unless it really might fix my problem. Current bios information is
Bios version 1.29 (1YET65WW) 8-21-2006
Embedded controller 1.06
Typical sequence looks like this.
Computer is turned off, and unplugged after a normal shutdown.
I plug in the AC adapter to the computer, and after a few seconds the green battery light comes on.
I press the power button, the computer does not turn on, and the battery/power light turns off.
Even when I release the power button the battery light remains off.
Next step is to remove the AC and my two batteries, wait for a while, plug it back and and cross my fingers. If does not turn on, goto step 1 and repeat.
Solved!
Go to Solution.

Welcome to the forum.
I'm wondering what happens if you leave the batteries disconnected and power up the system. If one of your batteries is very dead it might cause those problems. It could be the mother board.
Someone recommended a memory test. PC Doctor is available at the lenovo site. It will also test you hard drive. Also http://www.memtest86.com.
Good luck.
ThinkPad T23, 2647 HU8, Based on 2647-8RU: PIII-M 1.20GHz (512KB), 512MB RAM, 40.0GB HDD, 14.1 XGA(1024x768) TFT LCD, 8x8x24x/8x CDRW/DVD, Modem(MPCI), Ethernet(CDC), WinXP Home, Linksys Wireless B adapter.

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T43 does not boot, must remove battery and try again.

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