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2-2
Dell Dimension XPS R xxx Systems Service Manual
The external visual inspection consists of a quick inspection of the exterior of
the computer, the monitor, the keyboard, any peripherals, and cables. While
performing the visual inspection, make any necessary corrections. To perform
the external visual inspection, follow these steps:
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For a PS/2-compatible mouse, the keyboard and mouse interface cable
connectors are identical except for their labels. Verify that the keyboard and
mouse interface cable connectors are firmly attached to the proper connec-
tors on the back of the computer. To identify the proper connectors, see
Figure 1-4.
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Each of the serial, parallel, and USB interface cable connectors must be
firmly attached to an appropriate connector on the back of the computer as
well as to the interface connector on the device. The captive screws that
secure these connectors at each end of the interface cable must be secure
enough to ensure a firm connection.
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For proper connection of the video interface cable, see the documentation
for the monitor.
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For proper settings of the monitor controls, see the documentation for the
monitor.
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If one or more keys are sticking, it may be necessary to replace the
keyboard.
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