|How is the drive identified in Device Manager?|
Do you have a Windows CD/DVD? Any recent version will do? If so, try booting to it. If you see a screen to hit any key to boot from CD then the drive is working, at least for that flavor disk.
If by chance the installation starts, just abort it.
If the laptop skips over and boots directly to Windows then check the boot order to make sure the CD drive is listed before the hard drive.
If you can boot to the drive consistently then the issue may be Windows related. One step at a time.