IBM ThinkPad T20 2647 Notebook Logo
Posted on Oct 02, 2008
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While booting error " bios shadowed " & 0175: bad crc1, stop post task

While booting error showing

0175: bad crc1, stop post task

system bios shadowed

video bios shadowed

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  • 6 more comments 
  • rojocjohnson Oct 02, 2008

    pls assit me ..................

  • Anonymous Oct 11, 2008

    We'll add
    your post as a comment to rojocjohnson's while booting error " bios shadowed " & 0175: bad crc1, stop post task problem, and notify you when a new solution is offered.

  • barcompany Oct 21, 2008

    SAME PROBLUM ! on T21 2647 please help

  • elrob3 Oct 24, 2008

    while booting error showing 0175: bad crc1, stop post task system bios shadowed video bios shadowed

  • j00961 Nov 15, 2008

    I have the same proble , it is IBM think pad T21

    when I started gets the black screen

    system bios shadowed
    video bios shadowed

    press F1 or F 12






    pls assit me ..................

  • dd1457 Dec 10, 2008

    I have the exact same problem what is the solution to this?

  • skaul May 11, 2010

    i have the same problem

  • Anonymous Mar 16, 2014

    My gateway m 6843 sa1 series notebook won't boot is it because the system and video bios is shadowed it has windows 7 or windows Vista preinstalled already 64bit Operating system can this be fixed

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  • Expert 68 Answers
  • Posted on Oct 07, 2008
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Sounds like cmos battery flat small battery inside pc to retain cmos setting when pc switched off

1 Related Answer

Anonymous

  • 188 Answers
  • Posted on Nov 28, 2008

SOURCE: 0175: bad crc1, stop post task, system bios shadowed

Go on tis forum and post your problem. There is also the Lenovo forum. I have a T23 and haven't seen this error before. These Forums are very good for information on your laptop.

http://forum.thinkpads.com/viewforum.php?f=28

http://forums.lenovo.com/lnv/board?board.id=T_Series_Thinkpads

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Related Questions:

4helpful
1answer

ERROR 0175: bad crc1, stop post task
0175: bad crc1, stop post task ,ibm t20
Read full answer
Jan 16, 2011 • IBM ThinkPad T20 2647 Notebook
5helpful
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ERROR 0175: Bad CRC1, stop POST task message Been using my IBM a30 laptop for some months but was surprised to get this error when i tried putting it on this message pops up ERROR 0175:BAD CRC1 STOP POST...
You obviously didn't read the problem carefully. The machine won't boot, so there is no command line. I have the same problem with a T23. It might be the CMOS battery that needs to be replaced.
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Post problem
If it beeps (which it should) means that some device did not pass post. Find your motherboard online and look up the beep codes. This should help you to discover the problem. I hope this helps!
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Jul 15, 2009 • IBM ThinkPad A21m 2628 Notebook
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0175:bad CRC1.stop post task the computer will not boot
You could have a faulty BIOS chip or the BIOS battery is nearly flat and giving you this POST error. Replace the BIOS battery with a new one and configure the BIOS settings eg. the Date & Time etc.
Read full answer
Jun 25, 2009 • IBM ThinkPad T20 2647 Notebook
0helpful
1answer

ERROR 0175 BAD CRC1 COMMAND STOP POST TASK
the crc is the cyclic redundance check your bios is corrupt. you will need to flash the bios to bring it back the internal bios bottery will need to be removed for 1 min then replace. it should bring it back if not you bios chip has burnt out. i have never replaced a bios chip but you will have to find one to replace it
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Jun 24, 2009 • IBM ThinkPad T60 Notebook
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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








Read full answer
May 16, 2009 • IBM ThinkPad T20 2647 Notebook
2helpful
1answer

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
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Mar 27, 2009 • IBM ThinkPad T20 2647 Notebook
0helpful
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IBM Laptop A22e Display an error 0175
The CRC error (POST = power on startup test) on boot up refers to the BIOS settings. This could be cause by a near flat BIOS battery and it needs to be replaces. If it is not the battery you need go to the BIOS to correct any faulty settings.
Read full answer
Nov 29, 2008 • IBM ThinkPad A22e 2655 Notebook
0helpful
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0175: bad crc1, stop post task, system bios shadowed
Go on tis forum and post your problem. There is also the Lenovo forum. I have a T23 and haven't seen this error before. These Forums are very good for information on your laptop.

http://forum.thinkpads.com/viewforum.php?f=28

http://forums.lenovo.com/lnv/board?board.id=T_Series_Thinkpads

Read full answer
Oct 02, 2008 • IBM ThinkPad T20 2647 Notebook
1helpful
1answer

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/
Read full answer
Aug 07, 2007 • IBM ThinkPad A21e 2628 Notebook
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