Dell R805 owner manual Safety First-For You and Your System, Start-Up Routine, 137

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: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

Start-Up Routine

Look and listen during the system's start-up routine for the indications described in Table 4-1.

Table 4-1. Start-Up Routine Indications

Look/listen for: Action

A status or error message displayed on See "LCD Status Messages" on page 22. the front-panel LCD.

An error message displayed on the monitor.

See "System Messages" on page 35.

Alert messages from the systems	See the systems management software
management software.	documentation.
The monitor's power indicator.	See "Troubleshooting the Video Subsystem"
	on page 139.
The keyboard indicators.	See "Troubleshooting the Keyboard" on
	page 140.

The USB diskette drive activity indicator.

See "Troubleshooting a USB Device" on page 143.

Troubleshooting Your System

137