Having problems with your IBM ThinkPad A21m 2628 Notebook ?

Asking error says 0175:Bad CRC1, stop post task in my ibm thinkpad laptop?

Answers :

Let me start by saying that there are alot supossed or claim to fix fixes for this on the internet. I've tried them all, and the only two fixes for this are replacing the motherboard or replacing the malfunctioning chip on the motherboard that has caused this. The simplest, easiest, and most of the time cheapest sure way to fix this is to replace the motherboard. The other way is to track down the failed chip and have a new on soldiered to the board. Most people can't do this on their own, and if you can find a shop that will do it, they will charge in the hundreds of dollars. There are several A21 motherboards on Ebay for lees than $50, most have the base that is intact, so all you will have to do is swap out the drives, screen, memory, covers, keyboard, and screen. Then tou're up and running again. Here's a couple of links to help. The first is Ebay's A21 motherboard listings, and the second is various manuals for the A21 to help you swap everything out. Doing it yourself isn't that hard and will save you quite a bit of money.
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