Manual

5-2 Installation and Troubleshooting Guide

If information on the monitor screen is displayed incorrectly or not at all, perform the

following steps to solve the problem:

1. Adjust the switches and controls including the horizontal and vertical position and

size, as specified in the monitor's documentation, to correct the video image.

Is the problem resolved?

Ye s

. You have fixed the problem.

. Go to step 2.

2. Run the video tests in the Dell Diagnostics.

See “Starting the Dell Diagnostics” in Chapter 4, “Running the Dell Diagnostics”

for more information on Dell Diagnostics.

Is the monitor displaying text properly?

Ye s

. You have fixed the problem or the problem is software-related. See the

Dell

PowerVault 735N NAS Appliance System Administrator’sGuide

for more informa-

tion on how to reinstall your system image.

. Go to step 3.

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

4. Swap the monitor with one of the same type that is working, and reconnect the

system to the electrical outlet.

5. Run the video tests in the Dell Diagnostics again.

Did the tests run successfully?

Ye s

. The monitor must be replaced. See Chapter 9, “Getting Help,” for instruc-

tions on obtaining technical assistance.

. The integrated video controller is faulty; see Chapter 9, “Getting Help,” for

instructions on obtaining technical assistance.

Troubleshooting the Keyboard

This procedure determines what kind of keyboard problem you may have. If a system

error message indicates a keyboard problem when you start the 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.

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