Dell Precision T7400 Quick Reference Guide  - Page 35

5 When the DELL logo appears, press immediately. NOTE: Keyboard failure may result when a key on the keyboard is held down for extended periods of time. To avoid possible keyboard failure, press and release in even intervals until the Boot Device Menu appears. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, and then shut down your computer and try again. 6 At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the keyboard to highlight Onboard or USB CD-ROM, and then press . NOTE: The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in the system setup program. 7 Press to select the Dell Diagnostics. 8 At the Dell Diagnostics Menu, press to select the Dell Diagnostics. 9 At the Dell Diagnostics Main Menu, left-click with the mouse, or press and then , to select the test you want to run (see "Dell Diagnostics Main Menu" on page 35). NOTE: Write down any error codes and problem descriptions exactly as they appear and follow the instructions on the screen. 10 After all tests have completed, close the test window to return to the Dell Diagnostics Main Menu. 11 Remove the Drivers and Utilities disc, close the Main Menu window to exit the Dell Diagnostics, and then restart the computer. Dell Diagnostics Main Menu The following tests can be run from the Dell Diagnostics Main Menu: Option Express Test Function Performs a quick test of system devices. The test typically takes 10 to 20 minutes and requires no interaction on your part. Run Express Test first to increase the possibility of tracing the problem quickly. Quick Reference Guide 35