Press "F10" to save your changes, then choose "OK" from the next menu. Now, whenever a bootable CD disc is in the drive, your Dell computer will boot using that CD instead of the hard drive.

Power on or restart the computer. Press "F8" when the Dell logo appears on the screen to load the boot menu. Use the arrow keys to choose "Repair Your Computer" from the options.

Dell Laptop, can't boot into safe mode. Keef Sep 6, 2010 Jump to latest Follow Reply ...

If your Dell PC is stuck on pre boot system performance check, perform a hard reset, check for a faulty hardware, or disable SupportAssist OS Recovery.

Is your computer sluggish at startup? A few simple changes to its BIOS can shorten its boot times dramatically.