Hardware Owner's Manual

Troubleshooting Your System 309
5
Troubleshooting Your System
Safety First—For You and Your System
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 5-1.
Table 5-1. Start-Up Routine Indicators
Look/listen for: Action
An error message displayed on the
monitor
See "System Messages" on page 115.
Alert messages from the systems
management software
See the systems management software
documentation.
The monitor's power indicator See "Troubleshooting Video" on page 310.
The keyboard indicators See "Troubleshooting the Keyboard" on
page 311.
The USB diskette drive activity
indicator
See "Troubleshooting USB Devices" on
page 312.
The USB optical drive activity
indicator
See "Troubleshooting USB Devices" on
page 312.
The hard-drive activity indicator See "Troubleshooting Hard Drives" on page 320.