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I have read through a good few threads/ tutorials covering boot/installation issues but I find only hints of the potential problem; thank you for clarifying. PROBLEM: First time test Installation ...
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  1. #1
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    Boot Error: MBR cylinders not equal to BIOS


    I have read through a good few threads/ tutorials covering boot/installation issues but I find only hints of the potential problem; thank you for clarifying.


    PROBLEM:
    First time test Installation of Ubuntu - using Wubi (no cd).
    After install, on reboot I select Ubuntu from dual boot option:
    a long list of text/warnings appear, but what stands out is

    MBR Cylinders (49586) is not equal to the Bios one (1024).
    MBR total sectors (796599090) greater than Bios one (796593920).
    Some buggy BIOSes could hang when you access sectors.



    SYSTEM INFO:
    Desktop PC, AMD 64 3500+, 1GHz RAM
    2 - SATA drives RAID 0
    Partition 1 (OS) : 40GB NTFS
    Partition 2 (Docs) : 250GB NTFS
    OS: Windows XP (fresh install)
    BIOS: Amer. Megatrends 1017.002 (11/14/2005)


    ACTIONS TAKEN SO FAR:
    • Uncompressed drive
    • Fully Defragmented Drives
    • Uninstalled Ubuntu from C: and installed on D:


    QUESTIONS:

    • Do I have to update my Bios?
    • Must I create a new partition?
    • Can SATA drives be of reason?
    • What can be the problem ...
    • And naturally, how to resolve this issue?


    Thank you in advance!

  2. #2
    Super Moderator devils casper's Avatar
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    its a BIOS problem only. upgrade BIOS. if upgrading is not possible, create /boot partition, 102 MB at the begining of disk.
    its not a SATA disk problem.
    It is amazing what you can accomplish if you do not care who gets the credit.
    New Users: Read This First

  3. #3
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    Thank you. I will look into it. Once solved I will repost for others to consult.

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  5. #4
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    Angry

    I am experiencing the same problem. I updated the BIOS, but that had no effect on the problem.

    Apparently I will have to mess around with partitions. Is there a FOSS way to insert a boot partition without destroying my existing installation?

    My system is similar to the parent poster, but older.

  6. #5
    Super Moderator devils casper's Avatar
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    you can use any Partition Manager to resize existing Partitions without destroying anything. you will need only 102MB partition.
    try GParted LiveCD.
    It is amazing what you can accomplish if you do not care who gets the credit.
    New Users: Read This First

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