Troubleshooting the keyboard – Dell PowerEdge 2450 User Manual

Page 44

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Dell PowerEdge 2450 Systems Installation and Troubleshooting Guide

2.

Run the video tests in the Dell Diagnostics.

Is the monitor displaying text properly?

Yes. Go to step 3.

No. If a video expansion card is installed in the computer, see “Troubleshooting
Expansion Cards” in Chapter 7, “Checking Inside the Computer.” If no video
expansion card is installed, the integrated video controller is faulty; see Chapter
11, “Getting Help,” for instructions on obtaining technical assistance.

3.

Run the video tests in the Dell Diagnostics.

Did the tests run successfully?

Yes. You have fixed the problem, or the problem is software-related. For informa-
tion about installing video drivers, see "Using the Dell OpenManage Server
Assistant
CD," in the User's Guide.

No. Go to step 4.

4.

Turn off the system and disconnect it from the electrical outlet.

5.

Swap the monitor with one of the same type that is working, and reconnect the
system to the electrical outlet.

6.

Run the video tests in the Dell Diagnostics again.

Did the tests run successfully?

Yes. The monitor must be replaced. See Chapter 11, “Getting Help,” for instruc-
tions on obtaining technical assistance.

No. If a video expansion card is installed in the computer, see “Troubleshooting
Expansion Cards” in Chapter 7, “Checking Inside the Computer.” If no video expan-
sion card is installed, the integrated video controller is faulty; see Chapter 11,
Getting Help,” for instructions on obtaining technical assistance.

   

This procedure determines what kind of keyboard problem you may have. If a system
error message indicates a keyboard problem when you start the computer system or
while the Dell Diagnostics is running, perform the following steps:

1.

Look at the keyboard and the keyboard cable for any signs of damage.

Press and release each key on the keyboard.

Do the keyboard and its cable appear to be free of physical damage, and do the
keys work?

Yes. Go to step 3.

No. Go to step 2.

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