I have a Dell Latitude D630 laptop that I purchased refurbished 2 years ago. Today it froze twice and when I went to restart it, a black screen came up with the following message:
Windows Error Recovery
Windows failed to start. A recent hardware or software change might be the cause.
If Windows files have been damaged or configured incorrectly, Startup Repair can help diagnose and fix the problem. If power was interrupted during the startup, choose Start Windows Normally.
-Launch Startup Repair (recommended)
-Start Windows Normally
I tried the "Launch Startup Repair" option and it brought me to a screen that read:
Windows Boot Manager
Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1. Insert your windows installation disc and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."
If you do not have this disc, contact your system administrator or computer manufacturer for assistance.
Info: The boot selection failed because a required device is inaccessible.
I then tried to start it normally, but it brought me back to the same screen. The problem is that I do not have an installation disc. Since I bought it refurbished, I am not sure if I ever got one, but either way I do not have it now. I do have a product
key for Windows Vista on the bottom of the laptop (which is pretty worn), but the computer came with Windows 7 installed on it, not Vista. There is no product key for Windows 7 on the bottom either. Do I have to purchase a new Windows 7 disc, or some sort
of repair disc? If so, approximately how much does it cost?
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If yes, I suggest you to put the computer in
clean boot state and check.
To help troubleshoot error messages and other issues, you can start Windows Vista by using a minimal set of drivers and startup programs. This kind of startup is known
as a "clean boot." A clean boot helps eliminate software conflicts.
Refer the link below for more details:
How to troubleshoot a problem by performing a clean boot in Windows Vista: