Windows 7 Stuck At BIOS Cannot Enter BIOS or Change Boot Media


  1. Posts : 2
    windows 7 Professional
       #1

    Windows 7 Stuck At BIOS Cannot Enter BIOS or Change Boot Media


    My laptop has no problem before. Recently I try to install Windows XP. First attempt fail, so I change SATA at BIOS from AHCI to Compatible, success. However the partition that I want to install*Windows XP to is not available.*

    So just to test I choose my Windows 7 partition. Since it want to format the partition, I cancel the installation. After restarting windows, it stuck at bios. I restart again and change SAT to AHCI. Restart, still stuck at bios. This time I cannot enter BIOS, recovery or change boot media. Assuming the boot sector has corrupt, will reseating the cmos battery will fix this *problem. Please help. Thanks in advance.*
      My Computer


  2. Posts : 2
    windows 7 Professional
    Thread Starter
       #2

    Somehow with guidance from Lenovo Community, I solved the problem.

    For future reference:
    1. Take out HDD, battery, plug off ac power.
    2. Restart, change SATA Controller in BIOS to compatible, restart.
    3. Check whether the SATA Controller is Compatible or AHCI. If Compatible, force shutdown laptop.
    4. Put back HDD, boot with Windows 7 Recovery CD or Installation Disc.
    5. Choose Autostartup Repair.
    6. Restart.
      My Computer


 

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