Downgrade Vista to XP on Acer Extensa 5630Z

  • Don’t forget to bakcup Vista.
  • Go to BIOS (press F2 on reboot) and change storage mode from AHCI to IDE.
  • Install XP.
  • Download AHCI driver (XP version) from acer.com website
  • Unpack AHCI driver zip file
  • Start cmd.exe (start > run), from AHCI unpack folder, run: “setup.exe -a -p c:” (without quotes). The files will be extracted to c:winall
  • Go to Control Panel > System > Hardware > Device Manager > IDE Atapi Controller, and update driver for Intel ICH9M-E/M SATA Controller using c:winall driver file.
  • Restart the computer.
  • Go to BIOS, change storage mode from IDE to AHCI.
  • Windows will detect new hardware.
  • Finish.
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