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Installing Windows 7 from External USB DVD Drive

  • Problem: “A required CD/DVD drive device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now.”
  • Reason: Windows 7 loses the DVD drive somewhere in the process. Then it can't find the drivers. Changing BIOS settings or feeding it drivers won't work.
  • Solution:
  1. Return to Welcome Screen by closing (x) out windows.
  2. Swap the external drive to another USB port.
  3. Retry install.
  4. Repeat as necessary.

Dual Boot Tips

EFI Partition schemes can be tricky, but it's really simple if you're installing clean.

  1. Partition the drive with 3 partitions:
    1. Windows NTFS
    2. Linux EXT4
    3. Storage NTFS
  2. Install Windows in EFI mode on the first partition. Windows should create 3 partitions in that one space:
    1. 100MB or so EFI Partition (where the bootloader goes)
    2. MSR Microsoft System Reserved Partition
    3. Primary Windows Partition
  3. Insert Live CD or USB disk
  4. Select “Other” on install
  5. Delete the Linux Partition, then re-partition it and mount it as /
  6. For bootloader, select the EFI partition

GRUB Update for Automatic Selection of Last Choice

  1. sudo nano /etc/default/grub
  2. Add the following lines:
  3. GRUB_DEFAULT=saved
  5. Close file
  6. sudo update-grub
computer_setup.txt · Last modified: 2014/10/29 14:05 by admin