Dell Precision™ T3500 Service Manual--LED Codes
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Diagnostics
Dell Precision™ T3500 Service Manual
Dell Diagnostics
Power Button Light Codes
Diagnostic Light Codes
Beep Codes
Dell Diagnostics
When to Use the Dell Diagnostics
It is recommended that you print these procedures before you begin.
NOTE:
The Dell Diagnostics software works only on Dell computers.
NOTE:
The
Drivers and Utilities
disc is optional and may not ship with your computer.
Enter system setup (see
Entering System Setup
), review your computer's configuration information, and ensure that the
device you want to test displays in System Setup and is active.
Start the Dell Diagnostics from either your hard drive or from the
Drivers and Utilities
disc.
Starting the Dell Diagnostics From Your Hard Drive
1. Turn on (or restart) your computer.
2. When the DELL logo appears, press <F12> immediately.
NOTE:
If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from
your
Drivers and Utilities
disc.
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 (see
Turning Off Your Computer
), and try again.
3. When the boot device list appears, highlight
Boot to Utility Partition
and press <Enter>.
4. When the Dell Diagnostics
Main Menu
appears, select the test that you want to run.
Starting the Dell Diagnostics From the Drivers and Utilities Disc
1. Insert the
Drivers and Utilities
disc
.
2. Shut down and restart the computer.
When the DELL logo appears, press <F12> immediately.
If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut
down your computer and try again.
NOTE:
The next steps change the boot sequence for one time only. On the next startup, the computer boots according
to the devices specified in the system setup program.
3. When the boot device list appears, highlight
Onboard or USB CD-ROM Drive
and press <Enter>.
4. Select the
Boot from CD-ROM
option from the menu that appears and press <Enter>.
