Dell OptiPlex GX240 - Manual (Page 12)

10 Setup and Quick Reference Guide
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m 3 When
F2 = Setup
appears in the upper-right corner of the screen,
press .
NOTE: This feature changes the boot sequence for one time only. On the next
start-up, the computer boots according to the devices specified in system setup.
The Boot Device Menu appears.
If you wait too long and the Windows logo appears, continue to wait
until you see the Windows desktop. Then shut down your computer
and try again.
4 Select the CD-ROM Device option.
Running the Dell IDE Hard Drive Diagnostics
The Dell IDE Hard Drive Diagnostics is a utility that tests the hard drive to
troubleshoot or confirm a hard drive failure.
1 Turn on your computer (if your computer is already on, restart it).
2 When
F2 = Setup
appears in the upper-right corner of the screen,
press .
3 Follow the instructions on the screen.
If a failure is reported, see “Hard Drive Problems” in your User’s Guide.
Safety Instructions
Use the following safety guidelines to help protect your computer system
from potential damage and to ensure your own personal safety.
When Working Inside Your Computer
Before you remove the computer cover, perform the following steps in the
sequence indicated.
NOTICE: Do not attempt to service the computer yourself, except as
explained in your online Dell documentation or otherwise provided to you.
Always follow installation and service instructions closely.
CAUTION: There is a danger of a new battery exploding if it is
incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. Discard used
batteries according to the manufacturer’s instructions.