Dell Studio 1749 (Early 2010) - Manual (Page 282)

282
Troubleshooting
• When the DELL™ logo appears, press <F12> immediately. Select
Diagnostics from the boot menu and press <Enter>.
NOTE:
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.
OR
• After the computer has been powered down completely, press and
hold the <Fn> key while powering the computer on.
NOTE:
If you see a message stating that no diagnostics utility partition has
been found, run the Dell Diagnostics from the Drivers and Utilities media.
The computer runs the Pre-boot System Assessment (PSA), a series of
initial tests of your system board, keyboard, display, memory, hard drive,
and so on.
• Answer any questions that appear.
• If failures are detected, write down the error code(s) and see
"Contacting Dell" on page 337.
If the Pre-boot System Assessment completes successfully, the following
message appears: "
Booting Dell Diagnostic Utility
Partition. Press any key to continue ."
4 Press any key to start the Dell Diagnostics from the diagnostics utility
partition on your hard drive.
5 When the Dell Diagnostics Main Menu appears, select the test you want
to run.
6 Continue with "Using the Dell Diagnostics Main Menu" on page 284.
Starting the Dell Diagnostics on Desktop Computers
NOTE:
If your computer cannot display a screen image, see "Contacting Dell" on
page 337.
1 Ensure that the computer is connected to an electrical outlet that is
known to be working properly.
2 Turn on (or restart) your computer.
3 When the DELL™ logo appears, press <F12> immediately. Select
Diagnostics from the boot menu and press <Enter>.