Dell XPS /Dimension Gen 2 Service Manual - Page 38

l CD 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. l PXE - (Available only for the future boot process) As the computer boots, it prompts the user to press . Pressing this key combination causes a menu to display that allows you to select a method for booting from a network server. If a boot routine is not available from the network server, the system attempts to boot from the next device in the boot sequence list. l USB Flash Device - Insert the memory device into a USB port and restart the computer. When F12 = Boot Menu appears in the upper-right corner of the screen, press . The BIOS detects the device and adds the USB flash option to the boot menu. 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 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 Dell Dimension Resource CD, but you must set the computer to boot from the hard drive when the diagnostic tests are complete. 1. Turn on (or restart) your computer. 2. 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. 3. At the bottom of the menu, enter the number of the device that is to be used for the current boot only. 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. 3. Press the up- and down-arrow keys to move through the list of devices. 4. Press the spacebar to enable or disable a device (enabled devices have a checkmark). 5. Press plus (+) or minus (-) to move a selected device up or down the list. Clearing Forgotten Passwords CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual. 1. Follow the procedures in "Before You Begin." 2. Locate the 3-pin password jumper (PASS) on the system board, and attach the jumper plug to pins 2 and 3 to clear the password. The white arrow indicator indicates pin1. NOTE: When you receive your computer, the jumper plug is attached to pins 1 and 2. 3. Close the computer cover. 4. Connect your computer and monitor to electrical outlets, and turn them on. 5. After the Microsoft® Windows® desktop appears on your computer, shut down the computer. 6. Turn off the monitor and disconnect it from the electrical outlet. 7. Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board. 8. Open the computer cover. 9. Locate the 3-pin password jumper on the system board, attach the jumper to pins 1 and 2 to reenable the password feature. 10. Replace the computer cover.