Dell OptiPlex GL Service Manual - Page 34
Getting Help, Run Quick Tests, Run All Tests, Run Specific Tests
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To start the diagnostics, turn off the system unit, insert a diagnostics diskette into drive A, and then turn on the system unit. Starting the diagnostics causes the Dell logo screen to appear on the monitor screen, followed by a message indicating that the diagnostics is loading. Before the diagnostics loads, a program tests the portion of main memory (RAM) required for loading the diagnostics. If a RAM error is detected, a message appears on the screen telling you which DIMM has failed. If no errors are found in RAM, the diagnostics loads and the Diagnostics Menu appears. This menu lets you choose the following options or exit to the MS-DOS prompt: • Run Quick Tests - Runs selected tests from all test groups to quickly locate a failure or to indicate where further testing is needed to isolate a failure • Run All Tests - Runs all tests for a thorough test of the system • Run Specific Tests - Tests a particular area or subsystem Getting Help If none of the troubleshooting procedures in this chapter or the tests in the diskette-based diagnostics reveals the source of the problem or leads to the proper troubleshooting steps for determining the source of the problem, call Dell for technical assistance. For instructions, see the chapter titled "Getting Help" in the Diagnostics and Troubleshooting Guide. 2-6 Dell OptiPlex GXpro Systems Service Manual