Question about IBM ThinkPad A21m 2628 Notebook

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CRC1 0175 Error

At start up immediatly after POST error appears. CRC1 0175 Error and eeprom checksum error. all fucntions are disabled except the power button. i changed the cos battery but no effect

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Not saying this in an answer, but make sure memory installed correctly. There are a few funny things which i've had happen just because memory not in place correctly..

Posted on Mar 12, 2008

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This error is typical of a problem with the system board.
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-4K2MCU

I've only seen this error appear on IBM thinkpads. Your EEPROM with the following steps.
You can try this to test the EEPROM
1.unplug AC,battery, HDD and and your cd/dvd rom drive.
2.press power button,last more than 10 seconds
3.plug battery and AC power
4.power on
5.when see the IBM logo,press F1 button immediately.

If the same error pops up, try it a few more times. If the error keeps displaying then it is the motherboard

Posted on Feb 23, 2008

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Posted on Jan 02, 2017

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1 Answer

CHECKSUM CANNOT MOVE COMPUTER FROM A BLUE SCREEN


In order to understand what a checksum error is, it is important to first learn what a checksum is. A checksum is a redundancy check during a computer's start up process, which makes sure that the computer's data is intact and unhampered. The data is scanned and tested for accuracy, either based on how well it relates to data elsewhere or based on previous data that was stored on the same computer. Essentially, all of the bits of data in a particular document or file are added up and a number or hash is created. This number or hash can then be compared to the number or hash generated from the same file on another person's computer or at a previous time on the same computer.
When does a Checksum Error Occur?

Although a checksum error can occur at any time while a computer is comparing data, it is most commonly present during a computer's startup procedure. During a computer's start up processes, the BIOS settings, which are stored in a CMOS memory chip, are computed and then checked against the previous value. If the computed values do not match exactly, the computer warns the user with a checksum error message that the data may have been changed or corrupted between start up cycles. All BIOS programs present a different error and therefore will either continue with booting or refuse to boot until the problem is corrected.

cmos-error.jpg

Depending on the type and the severity of the error generated, there may be one of a variety of ways to rectify the issue. The most common cause of a checksum error during the startup process is a faulty battery that is not providing sufficient power to the motherboard when the computer is off. However, motherboard malfunctions and viruses can also contribute to checksum errors.
Other Types of Checksum Errors

Another type of checksum error may occur with any program at any time. It is usual for many programs to now provide checksum information when that program is downloaded. Using a checksum program or MD5 hash checker, a user can quickly compare the checksum of a downloaded program with the checksum that the software developer provides. This is a common way to make sure that users are downloading the proper program and that no data was corrupted during the download process. Checksum errors originating from download errors can easily be corrected by re-downloading the problematic program.

if you have a windows disk you might try doing a repair from disk

Apr 14, 2013 | Dell Inspiron Computers & Internet

1 Answer

I am getting an error code on my sons computor 0175CRC1 stop post task


That is a EEPROM checksum error and the only way to fix it is to find the correct version of the EEProm and replace it on the motherboard, or replace the motherboard all together. If you are concerned about the data on the drive, go to any computer store and pickup and external USB drive chassis for $20.00 and copy the data to a new system. You could replace the motherboard with and board compatible with your CPU and memory and use all of your old hardware. Otherwise, for about $200.00 you could just replace the computer. Sorry the new is not better for you.

Jan 20, 2011 | IBM ThinkPad T20 2647 Notebook

1 Answer

My ibm thnkpad was error 174,how can i solve it?


This is the IBM description of the error -
Normal 0

173

Bad CMOS/NVRAM checksum

174

Bad system configuration

175

Bad EEPROM CRC

Go to the BIOS configuration - the Date and Time may be wrong.
If this does not fix the problem try setting the BIOS bacj to the defaults.
If this does not fix the problem, the BIOS battery may be worn out and needs replacing.

Sep 22, 2010 | IBM ThinkPad 380ED

1 Answer

Ibm notbook. how will i solve "bad crc1, stop post task. with an error code 0175?


The POST error code 0175 refers to a CRC (cyclic redundancy check) reading from the EEPROM chip, that data is corrupted, most likely a faulty EEPROM chip. This is a motherboard problem and cannot be fixed except by a motherboard replacement. This is an old laptop and would not be worth fixing, I suggest you put your money towards a new laptop.
You can remove the hard drive and put it into an USB hard drive adapter case and use it as an external USB hard drive.

Jul 12, 2009 | IBM ThinkPad A21e 2655 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

Error 0175 on boot IBM Thinkpad T20


Error code Symptom or error Field replaceable unit or action, in sequence 0175 Bad CRC1, stop POST task. The EEPROM checksum is not correct. System board

Mar 27, 2009 | IBM ThinkPad T20 2647 Notebook

1 Answer

Broadcom 440x driver won't load


if you are getting a broadcom failure of the motherboard after a chapagne spill on the system, there is a good likelyhood that the controller chip for the motherboard is damaged.

If the system is POSTING and booting normally aside from the Network adapter, I'd try using a PCMCIA or USB NIC to replace the onboard NIC (Disable on-board in BIOS) If the system is manefesting other errors, then a replacement of the motherboard would be warranted

Jan 10, 2009 | Dell Inspiron 8600 Notebook

1 Answer

Broadcom 440x 10/100 Integrated Controller driver will not load


Your resolution will most likely be a replacement of the motherboard. You can try flashing the BIOS and see if that resolves, but from your details it appears there is a hardware failure of the motherboard. Generally, you can find a motherboard for this model on Ebay for around $100

Jan 10, 2009 | Dell Inspiron 8600 Notebook

3 Answers

CRC1 0175 Error


have you tryed to as soon as the power is switched on go to safe mode to see if you can find a driver or hardware issue??. At start up keep pressing f8 all the time till it comes up. after that gointo and check all the drivers you got and see if theres a conflict or a reasourses fault. as windows will tell you if everything is working right as you check everything sepaerate. If it wont go that far then you have a fateal error and may need to redo the hard drive by formatting and reinstalling the os. It sounds like maybe a F.A.T virus??good Luck

Apr 14, 2006 | IBM ThinkPad T23 2647 Notebook

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