DELL HR675 User Manual

Page of 194
134
Troubleshooting Your System
Checking the Equipment
This section provides troubleshooting procedures for external devices 
attached to the system, such as the monitor, keyboard, or mouse. Before you 
perform any of the procedures, see "Troubleshooting External Connections" 
on page 134.
Troubleshooting External Connections
Loose or improperly connected cables are the most likely source of problems 
for the system, monitor, and other peripherals (such as a printer, keyboard, 
mouse, or other external device). Ensure that all external cables are securely 
attached to the external connectors on your system. See "Front-Panel 
Features and Indicators" on page 13 and "Back
-Panel Features and Indicators" 
on page 16 for the front- and back-panel connectors on your system.
Troubleshooting the Video Subsystem 
Problem
Monitor is not working properly.
Video memory is faulty. 
The USB CD drive activity indicator.
The hard-drive activity indicator.
An unfamiliar constant scraping or 
grinding sound when you access a 
drive.
Table 4-1.
Start-Up Routine Indications (continued)
Look/listen for:
Action