Dell Precision T7400 (Late 2007) - Manual (Page 34)

34 Quick Reference Guide
2 When the DELL logo appears, press immediately.
NOTE: Keyboard failure may result when a key is held down for extended
periods of time. To avoid possible keyboard failure, press and release in
even intervals to open the Boot Device Menu.
NOTE: If at any time a message appears stating that no diagnostics utility
partition has been found, run the Dell Diagnostics from your Drivers and
Utilities disc (see "Starting the Dell Diagnostics From the Drivers and Utilities
Disc" on page 34)
.
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.
3 At the Boot Device Menu, use the up- and down-arrow keys or press the
appropriate number on the keyboard to highlight Boot to Utility Partition,
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.
4 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.
5 After all tests have completed, close the test window to return to the
Dell Diagnostics Main Menu.
6 Close the Main Menu window to exit the Dell Diagnostics and restart
the computer.
Starting the Dell Diagnostics From the Drivers and Utilities Disc
1 Turn on your computer.
2 Press the eject button on the front of the optical drive to open the drive tray.
3 Place the Drivers and Utilities disc in the center of the drive tray, and then
press the eject button or gently push on the tray to close it.
4 Restart the computer.