Performing An Internal Visual Inspection; To Perform An Internal Visual Inspection - Sun Microsystems Ultra 27 Service Manual

TABLE 2–1
Problem
An external device
connected to a USB
connector does not work.
External device is not
working.

Performing an Internal Visual Inspection

Use this procedure to perform and internal visual inspection of the workstation.
▼

To Perform an Internal Visual Inspection

Power off the workstation using the procedure detailed in the section,
1
Workstation"on page
Remove the left-side access panel using the procedure detailed in the section,
2
Workstation"on page
Caution –
operations. Allow these components to cool before handling them.
Turn off any attached peripherals, but do not disconnect the power cables.
3
Verify that the internal workstation compartment is free of excessive dust and that the airflow
4
through the interior of the workstation is not blocked by dust. foreign material or cables.
Use forced air to carefully blow dust from the interior of the workstation.
Caution –
not use liquid sprays to clean the interior of the workstation.
Chapter 2 • Troubleshooting
Troubleshooting Problem and Solution Table
Possible Solution
■
Reduce the number of external devices connected to a USB hub.
■
Connect the device to a USB hub, and connect the hub to the USB ports on
the workstation.
■
Refer to the documentation that is packaged with the device.
■ Check the documentation packaged with the device to determine whether
you must install device drivers.
■
Ensure that the cables for the external device are firmly connected, and that
the pins in the cable and connector are not bent.
■
Power off the system, reattach the external device, and power on the system.
30.
31.
Some components, such as the heatsink, can become extremely hot during system
Liquid sprays can cause shorts and damage to the workstation and its components. Do
Performing an Internal Visual Inspection
(Continued)
"To Power Off the
"Opening the
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