DELL D03M002 用户手册

If you experience a problem with your 

computer, perform the checks in “Lockups and 

Software Problems” on page 33 and run the 

Dell Diagnostics before you contact Dell for 

technical assistance.
It is recommended that you print these 

procedures before you begin.

NOTE: Dell Diagnostics works only on 

Dell computers.
NOTE: The 

Drivers and Utilities

 disc 

is optional and may not ship with your 

computer.

See the System Setup section in the Service 

Manual to review your computer’s configuration 

information, and ensure that the device that 

you want to test displays in the system setup 

program and is active.
Start the Dell Diagnostics from your hard drive 

or from the 

Drivers and Utilities

 disc.

The Dell Diagnostics is located on a hidden 

diagnostic utility partition on your hard drive.

NOTE: If your computer cannot display 

a screen image, contact Dell (see 

Ensure that the computer is connected to an 

electrical outlet that is known to be working 

properly.
Turn on (or restart) your computer.

When the DELL

™

 logo appears, press <F12> 

immediately. Select Diagnostics from the 

boot menu and press <Enter>.
This may invoke the Pre‑Boot System 

Assessment (PSA) on your computer.

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.