Dell GX280DT User Guide - Page 13

functions labeled on the bottom of each key. This setting turns OS Install the OS Install Mode either On or Off (default). POST Hotkeys This setting specifies whether keystroke sequences are displayed when the computer starts. The default setting is Setup & Boot Menu. Keyboard Errors This option disables or enables keyboard error reporting when the computer starts. Boot Sequence This feature allows you to change the boot sequence for devices. Option Settings l Onboard or USB Floppy Drive - The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, or if no floppy disk is in the drive, the computer generates an error message. l Onboard SATA Hard Drive - The computer attempts to boot from the primary serial ATA hard drive. If no operating system is on the drive, the computer generates an error message. l Onboard IDE Hard Drive - The computer attempts to boot from the primary IDE hard drive, if applicable. If no operating system is on the drive, the computer generates an error message. l Onboard or USB CD-ROM Drive - The computer attempts to boot from the CD drive. If no CD is in the drive, or if the CD has no operating system, the computer generates an error message. Changing Boot Sequence for the Current Boot You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities CD, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, memory key, or CD drive. NOTE: If you are booting to a USB floppy drive, you must first set the floppy drive to USB in system setup. 1. If you are booting to a USB device, connect the USB device to a USB connector. 2. Turn on (or restart) your computer. 3. When F2 = Setup, F12 = Boot Menu appears in the upper-right corner of the screen, press . If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop. Then shut down your computer and try again. The Boot Device Menu appears, listing all available boot devices. Each device has a number next to it. 4. At the bottom of the menu, enter the number of the device that is to be used for the current boot only. For example, if you are booting to a USB memory key, highlight USB Device and press . NOTE: To boot to a USB device, the device must be bootable. To make sure your device is bootable, check the device documentation. Changing Boot Sequence for Future Boots 1. Enter system setup. 2. Use the arrow keys to highlight the Boot Sequence menu option and press to access the pop-up menu. NOTE: Write down your current boot sequence in case you want to restore it.