This article is specific to Windows 7 but similar errors occur on all versions of windows.
NOTE: You will need your Windows 7 DVD or a USB with the recovery console installed.
IF USING A USB STICK MAKE SURE IT IS PLUGGED INTO A USB 2 SLOT, USB 3 IS NOT SUPPORTED; It will error with ‘failure when attempting to copy boot file’.
After rebooting your computer you receive the following error:
Windows Boot Manager
Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1.insert windos cd and run a repair your computer option.
Info: an error occurred while attempting to read the boot configuration data.
You may receive a similar error which lists the error code as 0xc0000034 or missing file: windows\system32\winload.exe instead.
You may also receive further errors after trying to repair the bcd store using bootrec and bcdedit as follows.
The requested system device cannot be found.
The “Windows Boot Configuration Data File is Missing Required Information Read More →