DELL 1950 User Manual

Page of 160
Troubleshooting Your System
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4
Troubleshooting Your System 
Safety First—For You and Your System
To perform certain procedures in this document, you must remove the system cover and work inside the 
system. While working inside the system, do not attempt to service the system except as explained in 
this guide and elsewhere in your system documentation. 
 
CAUTION: 
Many repairs may only be done by a certified service technician. You should only perform 
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online 
or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered 
by your warranty. Read and follow the safety instructions that came with the product.
Start-Up Routine 
Look and listen during the system's start-up routine for the indications described in Table 1-1.
Table 4-1.
Start-Up Routine Indications
Look/listen for:
Action
A status or error message displayed on the front-panel 
LCD.
An error message displayed on the monitor.
Alert messages from the systems management software. See the systems management software documentation.
The monitor's power indicator.
The keyboard indicators.
The USB CD drive activity indicator.
The CD drive activity indicator.
The hard-drive activity indicator.
An unfamiliar constant scraping or grinding sound when 
you access a drive.