Dell OptiPlex GX240 - Manual (Page 13)

Setup and Quick Reference Guide 11
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 <Ctrl><Alt><D>.
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.
1 Turn off your computer and any peripherals.
2 Ground yourself by touching an unpainted metal surface on the
chassis, such as the metal around the card-slot openings at the back of
the computer, before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the
computer chassis to dissipate any static electricity that might harm
internal components.