Starting with the computer fully off, turn it on by pressing and releasing the power button.

You can also try access your BIOS to see if your hard drive still shows up in there. Log on as an administrator or with an account that has administrator credentials.Īt the command prompt, type %systemroot%\system32\restore\rstrui.exe, and then press ENTER.įollow the instructions that appear on the screen to restore your computer to a functional state. If you are prompted to select an operating system, use the arrow keys to select the appropriate operating system for your computer, and then press ENTER. Use the arrow keys to select the Safe mode with a Command prompt option. Restart your computer, and then press and hold F8 during the initial startup to start your computer in safe mode with a Command prompt. To start System Restore using the Command prompt, follow these steps: Restore to a point where you know your computer functioned without problems.

If you are not sure, or if you have not previously set a restore point, contact Support. Important If you have not previously set a restore point in System Restore, you cannot restore your computer to a previous state.

This could be caused by an hard drive error as well as many other things. Ian phillips, this sounds like you are having trouble with the computer finding the operating system.