Question about IBM ThinkPad T20 2647 Notebook

1 Answer

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 ..................

  • birthday614 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

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

Posted on Oct 07, 2008

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mediarich
  • 188 Answers

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

Posted on Nov 28, 2008

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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








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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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