Question about IBM ThinkPad T20 2647 Notebook

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Cant start problem, stated crc1 error.does anybody can help.what is crc1?thanks in advance.

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  • ismapru Jul 24, 2008

    Thanks for the info.its very helpful and save me a lot of headache....cheerio.

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I've wrestled with many crc1 and crc2 problems on IBM machines here at my shop. This is a malfunctioning bios chip on the motherboard. There is no simple clearing procedure for this problem. The chip or the motherboard has to be replaced. I've had about a 25% success rate in replacing the chip, and 100% success by replacing the motherboard. Chip replacement is a delicate procedure in which you have to completely disassemble the machine remove he old chip with a soldiering iron and resoldier the new chip to the board. Soldiering on the motherboard is something I wouldn't recommend without experience. I would recommend replacing the motherboard, It's much easier, and possibly cheaper, since replacing the chip may or may not work. If you replace the chip and it doesn't work, then you're out the money for the chip, and you have to replace the motherboard anyway. The price for the chip is about a third the cost of a new motherboard. You can get a decent price for a good used motherboard for the T20 series from Ebay.

Posted on Jul 23, 2008

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Does any know how to fix a CRC1 error on an IBM laptop? pls help.


if you get this for a CD/DVD disc, your disc is bad...if you get this error on your hard drive, it means your drive is failing.

try to backup your data if possible and you will need to replace and reinstall all software. if the data is critical I recommend going with Drive Savers or another reputable recovery service.

Feb 15, 2010 | IBM ThinkPad T20 Notebook

1 Answer

Error 0175 bad crc1


Numeric error codes - ThinkPad General From IBM Web Site
Notes:
· The most likely cause is listed first.
· A numeric error is displayed for each error detected in POST or system operation.
· In the displays, n can be any number

Error code
Symptom or error

Field replaceable unit or action, in sequence
0175









Bad CRC1, stop POST task. The EEPROM checksum is not correct


This problem you may not be able to fix. There are a couple of things you can try.
1st Keep on rebooting your laptop until this error goes away.
2nd Replace the BIOS battery, it maybe nearly worn out. After replacement you need to go into the BIOS setting to set the Date & Time.
System board








May 16, 2009 | IBM ThinkPad T20 2647 Notebook

1 Answer

IBM laptop gives CRC1 error


certain files for software have been moved or deleted the software needs to be reinstalled...norton antivirus on one of my machines used to do this (crc fail/error/not found)

Feb 01, 2009 | IBM ThinkPad T20 2647 Notebook

1 Answer

Thinkpad A-20 will not boot


if you added new memory you need to remove it
that causes error 0175 on the thinkpad
let me know if this solved your problem
please rate me

Jan 23, 2009 | IBM ThinkPad A21m 2628 Notebook

1 Answer

While booting error " bios shadowed " & 0175: bad crc1, stop post task


sounds like cmos battery flat small battery inside pc to retain cmos setting when pc switched off

Oct 02, 2008 | IBM ThinkPad T20 2647 Notebook

1 Answer

Error 0175


A bad CRC1 is a failed motherboard component, that generally has to do with the bios programming. Unfortunately, motherboard replacement is your only option.

Aug 25, 2008 | IBM ThinkPad A21m 2628 Notebook

1 Answer

0175 crc1 stop post task. can u please help how 2 fix this problem.. THANK U VERY MUCH... cool


CRC1 & CRC2 problems are caused by failed or malfunctioning motherboard components. Fixing this involes tracing the exact problem comnponent, generally a chip, resistor, or capacitor, removing, and replacing it on the board. I will warn you that this is a very technical task, and should be performed by a very good component knowledgable technician, not just any tech can do this. I've fixed a few IBM's with the CRC1 problem, only to have the machine run striaght int a CRC2 problem, and have to start the process all over again. I will also tell you that it's expensive in order to have it done right. It'sgenerally easier andcheaper to replace the motherboard.I know this isn't what you want to hear, heck this isn't what anybody wants to hear, but this is a serious/major problem, and unfortunately there are no simple fixes.

Aug 22, 2008 | IBM ThinkPad T40 2373 Notebook

3 Answers

Did't boot


You can try replacing theCMOS battery. This may work. Afterward set the bios to default. Please let me know how you make otu.

Jan 16, 2008 | IBM ThinkPad T20 2647 Notebook

1 Answer

Stop POST task, bad CRC1 error 0175


There are a couple of possibilities, go to this link for the solutions, but it could be a bad power supply http://www.hardwareanalysis.com/content/topic/31761/

Aug 07, 2007 | IBM ThinkPad A21e 2628 Notebook

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