New
#11
Over the years what we've seen is that if the solutions already presented cannot work, along with a few Startup Repairs, then it requires a reinstall.
But this time it needs to be done correctly by using the Drive Options to delete all partitions during booted Custom install, as shown in Steps 7 and 8 of Clean Install Windows 7.
In addition follow these steps to prepare, achieve and keep a perfect Clean Reinstall - Factory OEM Windows 7