Run Windows Startup Repair to fix Unable to boot System with error code 0x490

Sometime when you boot your System you might get this error 0x490 and you won’t proceed from there. This happens if the Boot Manager is damaged or corrupted. In such a case, what we have to do, is we could run a Startup Repair.

Startup Repair in Windows 7

To do so:

  • Insert the Windows 7 installation disc or USB flash drive, or a system repair disc, and then shut down your computer.
  • Then restart your Computer
  • When prompted, press any key, and then follow the instructions that appear
  • On the Install Windows page, or on the System Recovery Options page, choose your language and other preferences, and then click Next.

  • Click Repair your computer.
  • Select the Windows installation you want to repair, and then click next.

  • On the System Recovery Options menu

  • Click on Start Repair
  • Startup Repair would run the Repair process

  • After the process is over and fixes are applied, the computer would be re-started.

On some occasions, we might need to run the Repair, 3 or 4 times to create the boot files to new location. Each time we have to restart the PC.

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Shyam aka “Captain Jack” is a Microsoft MVP alumnus and a Windows Enthusiast with an interest in Advanced Windows troubleshooting. Suggestions made and opinions expressed by him here are his personal one's and not of his current employers. He blogs at captaindbg.com.