Service Manual

8. Inspect the keyboard to ensure that no keys are sticking. If one or more keys are sticking, it may be
necessary to replace the keyboard.
9. Inspect the exterior of the system, including all controls and indicators, and all user-accessible data
storage devices for any signs of physical damage.
Does the inspection reveal any problems?
Yes. Proceed to the appropriate procedure in "Removing
and Replacing Parts."
No. Proceed to "Observing the Boot Routine."
Observing the Boot Routine
After you have performed an external visual inspection as described in "External Visual Inspection" boot the
system and, while the boot routine is running, observe the system for any indications of problems.
NOTE: Most of the steps in this procedure require observation of system functions and indications,
some of which can occur simultaneously. It may be necessary to reboot the system several times to
complete all of these steps.
To perform the following procedure, you need the diagnostics CD provided with your PowerEdge software. If
your CD is not available, you can download the diagnostics program to a diskette from the Dell Web site at
http://support.dell.com.
To observe problem indications during the boot routine, perform the following steps:
1. If the system is off, turn on all peripherals and the system.
2. Insert the diagnostics CD into the CD-ROM drive (or the diskette containing the diagnostics program)
and reboot the system.
3. Watch the <Num Lock>, <Caps Lock>, and <Scroll Lock> indicators on the upper-right corner of the
keyboard.
After all three indicators flash momentarily, and following a long pause (approximately 30 seconds), the
Num Lock indicator should light up and remain on (unless the Num Lock option is set to Off in the
System
Setup program).
Do these indicators flash on and off within approximately 10 seconds after the boot routine starts?
Yes. Proceed to step 3.
No. Replace the system power supply.
4. During the boot routine, observe the system for any of the following indications:
Post beep codes — A beep code is a series of beeps that indicates an error condition. See "Post
Beep Codes."
System error messages — These messages can indicate problems or provide status information.