Dell OptiPlex GX240 User's Guide - Page 53

Changing the Boot Sequence During System Setup 1 Turn on your computer. If your computer is already on, restart it. 2 When F2 = Setup appears in the upper-right corner of the screen, press . The Boot Device Menu appears. Option settings: • Normal - The computer attempts to boot from the sequence of devices specified in system setup. • Diskette Drive - The computer attempts to boot from the floppy drive. If the computer finds a floppy in the drive that is not bootable, an error message will appear. If no floppy is in the drive, an error message appears. • Hard Drive - The computer attempts to boot from the primary hard drive. If the computer does not find an operating system on the drive, an error message appears. • IDE CD Drive - The computer attempts to boot from the IDE CD drive. If the computer does not find a CD in the drive or if there is not an operating system on the CD, an error message appears. Changing the Boot Sequence in System Setup 1 Enter system setup. NOTE: This feature changes the boot sequence for one time only. On the next start-up, the computer boots according to the devices specified in system setup. This is helpful when you need to change the boot devices quickly. For example, you can cause the computer to boot from the CD drive to run the Dell Diagnostics, but the computer boots from the hard drive when the diagnostic tests are complete. NOTE: If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut down your computer and try again. Advanced Features 51