Dell PowerEdge 4350 Dell PowerEdge 4350 Systems Installation and Troubleshooti - Page 67
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Running the Dell Diagnostics 5-19
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Mouse or touch pad problems are as likely to originate in RAM as they are to be
caused by a faulty mouse or touch pad. Three sources of RAM-related problems
include the configuration of a program (which changes the function of the mouse or
touch pad), memory-resident programs, and failure of a device driver (the software
that controls the function of the mouse or touch pad). If these possibilities have been
eliminated and the following symptoms persist, run the Mouse test:
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When you press a mouse button or the touch pad, the function of the button (or
touch pad) continues; that is, the button (or touch pad) seems to be stuck.
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When you press a mouse button or the touch pad, the response is different from
the usual or anticipated response, which indicates the button (or touch pad) con-
tact may be damaged.
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A mouse button or the touch pad does not work at all.
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The cursor does not respond on the screen in accordance with the movements
you make with the mouse or touch pad.
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The subtests in the Diskette Drives test group allow you to test 3.5-inch diskette
drives of all capacities.
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The four diskette drive subtests in the Diskette Drives test group and the drive func-
tions they test follow:
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Change Line Test
Checks for bent pins on the diskette drive controller and for defective lines on the
diskette cable
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Seek Test
Checks the drive±s ability to search for a specified track on the diskette and to
position its read/write heads to all tracks
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Read Test
Positions the read/write heads at each cylinder of the diskette for reading data
and verifies that all tracks on the diskette can be read correctly
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Write Test
Positions the read/write heads at each cylinder of the diskette and verifies that all
tracks on the diskette can be written to correctly
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Very often, a diskette drive problem may first appear to be a diskette problem. A box
of defective diskettes might produce faulty-drive error messages. The test results can