Question about IBM ThinkPad T42 Notebook

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T42 only boots occasionally

When you attempt to power on, the system won't boot. Every once in awhile, it does boot and works normally. Problem is that its booting less and less often - there are some light changes when you attempt to boot, so doubt the power button is at fault. When it doesn't work, have to remove power plug and battery to reset. Anyone know what may be wrong?

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Hi there
have u tried to do a system restore on it ? back to a week before you noticed this happening also you may want to try to run sfc.ece to scan the registry for any problems .

Posted on Feb 16, 2009

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Sound like the bios battery might not be charging, try changing this, its located on the motherboard.

you will have to refer to user manual if out of warrenty

Posted on Feb 16, 2009

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I fixed a similar problem by doing the following. With your computer on and plugged in, remove the battery. Then press the power button to do a cold boot. Once it's off unplug it and wait about a miniute then plug it back in and restart it w/o the battery in it. Once it is re-booted reinstall the battery. Hope this helps.

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Feb 18, 2010 | IBM ThinkPad T42 Notebook

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My previously healthy Thinkpad T42, will not post.

The Thinkpad T42 doesn't have a reset button on it like the older IBM's used to.

There could be a problem with the battery. With the machine turned off remove AC power and then the battery. Plug in AC power again and see if the laptop will boot without the battery.
If it boots let it load up as normal and then shut it down again, reinsert the battery and try to boot it up. If it boots fine, if not then there is a problem with the battery.

Please post back if you need anymore advice.

Good luck.

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1 Answer

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