Dell OptiPlex E1 Troubleshooting Manual

Also see for OptiPlex E1: Documentation update Service manual Reference and installation guide Service manual Reference and installation guide

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Dell OptiPlex E1 Troubleshooting Manual Manual pdf 45 page image

Running the Dell Diagnostics 4-9Tests in the Dell DiagnosticsTo troubleshoot components or devices, run the appropri-ate test (test group or subtest) in the diagnostics on yourdiagnostics diskette. The diagnostics exercises the func-tional components and devices of your computer systemmore vigorously and thoroughly than they are exercisedduring normal operation. The diagnostics is organized bycomponents into test groups and subtests within each testgroup. Each subtest is designed to detect any errors thatmay interfere with the normal operation of a specificdevice of the computer.NOTE: Some subtests requiring hardware not listed inthe System Configuration area of the diagnostics screenappear to run, but they conclude with a status messagestating Component not present (ordisabled).Table 4-2 lists the diagnostic test groups, their subtests,and comments concerning their use.Table 4-2. Dell Diagnostics TestsTest Groups Subtests DescriptionRAM Quick Memory TestComprehensive Memory TestSecondary Cache Memory TestTests the RAM and cache. (Some computers includeexpanded or extended memory; all memory istested.)System Set CMOS Confidence TestCMEM Confidence TestDMA Controller TestReal-Time Clock TestSystem Timers TestInterrupt Controller TestReset Button TestSystem Speaker TestCoprocessor Calculation TestCoprocessor Error Exception TestPC Card Controller TestThermal Control TestMultiprocessor TestUSB Register TestUSB Memory Structure TestTests the system board’s support chips, DMA con-troller, computer timer, NVRAM, speaker controller,cache, and EISA configuration RAM chip, asappropriate.Tests the math coprocessor that is internal to themicroprocessor.Tests the PC Card controller on the system board.Checks the functionality of the thermal-monitoringand microprocessor speed-switching device on thesystem board.For systems with multiprocessors, confirms that thesecondary microprocessor is operational.Checks the onboard registers of the USB interface.This subtest does not test USB peripherals.Monitors the ability of a USB controller to process asimple set of memory-resident instructions.NOTES: Not all of these tests appear for each system.For the full name of an abbreviation or acronym used in this table, see the abbreviation and acronym list that precedes the Index.