Dell 720 Laptop User Manual


 
74 Troubleshooting
Dell Diagnostics Main Menu
The following tests can be run from the Dell Diagnostics Main Menu:
For any problem encountered during a test, a message appears with an error code and a description of the
problem. Write down the error code and problem description exactly as it appears and follow the
instructions on the screen. If you cannot resolve the problem, contact Dell (see
"Contacting Dell" on
page 179).
NOTE: The Service Tag for your computer is located at the top of each test screen. When contacting Dell support,
have your Service Tag ready.
The following tabs provide additional information for tests run from the Custom Test or Symptom Tree
option:
Option Function
Express Test Performs a quick test of system devices. The test typically takes
10 to 20 minutes and requires no interaction on your part. Run
Express Test first to increase the possibility of tracing the
problem quickly.
Extended Test Performs a thorough check of system devices. The test typically
takes an hour or more and periodically requires your input to
answer specific questions.
Custom Test Tests a specific device in the system and can be used to
customize the tests you want to run.
Symptom Tree Lists a number of common symptoms and allows you to select a
test based on the symptom of the problem you are having.
Tab Function
Results Displays the results of the test and any error conditions
encountered.
Errors Displays error conditions encountered, error codes, and the
problem description.
Help Describes the test and any requirements for running the test.
Configuration
(Custom Test only)
Displays the hardware configuration for the selected device.
The Dell Diagnostics obtains configuration information for all
devices from system setup, memory, and various internal tests,
and it displays the information in the device list in the left pane
of the screen.
NOTE: The device list may not display the names of all the
components installed on your computer or all devices attached to
your computer.