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Windows 7: Cannot Boot Windows 7 after Uninstalling Ubuntu Dual-Boot

18 Feb 2013   #31
Microsoft MVP

 

Sorry I'm late but am at the MVP Global Summit writing this from a seminar.

Below are the steps that work most commonly to recover in your situation however note that GRUB can corrupt Windows 7 beyond repair so if you've completed these without skipping any you might choose to go ahead and rescue your files to reinstall. Those steps are in Troubleshooting Windows 7 Failure to Start

Steps to Recovery from Windows 7/Ubuntu Dual Boot failure:


Boot into Windows 7 DVD System Recovery Options or Windows 7 System Repair Disk to Mark Windows 7 or it's 100mb System Reserved Partition (preferred if you have it) Active.

Then run Startup Repair - Run up to 3 Separate Times until Windows 7 starts and it's boot partition holds the System Active flags.

If this fails when System Reserved partition is marked Active, move the Active flag to Windows 7 partition itself and then try the 3 repairs again.

Be aware that sometimes GRUB can corrupt Windows 7 beyond repair when on the same HD. If problems persist I would delete it completely and then for any future Linux Dual Boots use separate HD's booted only via BIOS, or Dual Boot - Windows 7 and Linux - Windows 7 Forums.

If all else fails it may be necessary to wipe the boot sector of interfering code using Diskpart Clean Command before Clean Reinstall - Factory OEM Windows 7 which steps are same for retail.


My System SpecsSystem Spec
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 Cannot Boot Windows 7 after Uninstalling Ubuntu Dual-Boot




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