Just got a replacement battery from Kahlon. It isn't recognized by any of the software (Battery Miser is greyed out, battery information reports ERROR) and doesn't charge, the battery light on the hinge blinks yellow and doesn't change (even after several hours). The old battery (says IBM on it) doesn't hold a charge at all, but it was recognized by the software, and the software thought it was charging (it would go from 97% back up to 99%, but that 99% would hold the machine for 10 seconds, tops).
I tried swapping the old one back in, it continues to be recognized. One post suggested taking out the battery and disconnecting power, and holding the power button for 10 second, tried that, no luck. Another post said to disable all the BIOS power settings -- not sure what to disable?
Edit: Didn't know about the inductor issue pointed out by nikki605. There's some good info in that link.
I've read through the thread on the inductor problem. Um, I know what a soldering iron is, and I even own one, but I can't say I've ever used one with any much success. So I'm wondering whether I should even try to take the machine apart. (It's a machine for my son at college, we might give up on the T22 and get him one of those netbooks instead.) I do have the IBM hardware maintenance guide, which makes it look reasonably simple, although a rather lengthy process.
As far as taking the TP apart, it all depends on how comfortable you feel about doing it. I had never taken my T21 apart until a few years ago when I ran into a problem. Since that time, with the help of the folks here, I've taken it apart several times, replaced a motherboard, upgraded the CPU and installed a new fan/heatsink assembly.
I would recommend downloading a copy of the Hardware Maintenance Manual for your model. It really helps with step by step instructions on how to take it apart and put it back together. You just have to keep the screws in the right place.
Download the HMM here: http://www-307.ibm.com/pc/support/site. ... UYM3F.html
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