Question about IBM ThinkPad T21 Notebook
Pls. help. IBM Thinkpad T21 don't charge the battery pack but the battery pack is good. I also tried to remove the battery pack then power it with the AC adapter and it shows 0190 Critical Battery Low then it turned off. Thanks.
This is a common problem with the T20 series Thinkpad. The problem is with the power management chip. Unfortunately, you will have to replace the motherboard to fix it. Since these are a bit on the older side, you can get a motherboard off Ebay at a reasonable price.
Posted on Aug 05, 2008
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Posted on Jan 02, 2017
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