Dell PY760 manual 116

2Turn on (or restart) your computer.

3Start the Dell Diagnostics in one of the following two ways:

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.

–When the DELL™ logo appears, press <F12> immediately. Select Diagnostics from the boot menu and press <Enter>.

NOTE: Before attempting the following option, the computer must be 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, etc.

•During the assessment, answer any questions that appear.

•If failures are detected during the Pre-boot System Assessment, write down the error code(s) and see "Contacting Dell" on page 239.

If the Pre-boot System Assessment completes successfully, the following message appears: "Booting Dell Diagnostic Utility Partition.Press any key to continue."

4Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.

Starting the Dell Diagnostics From the Drivers and Utilities Media

1Insert the Drivers and Utilities media.

2Shut down and restart the computer.

When the DELL logo appears, press <F12> immediately.

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.

116

Troubleshooting