Dell Inspiron 7000 Dell Inspiron 7000 Reference and Troubleshooting Guide - Page 74

Video Display Device, LCD Mode

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6. Turn on the computer. Is the display on? Allow one minute for the computer to initialize its components. Yes. Go to step 7. No. Go to step 9. 7. Use the down-arrow or up-arrow key combination to adjust the brightness. Is the full display readable? Yes. Go to step 8. No. Go to step 9. 8. Has an error message appeared on the display, or has a beep code sounded? Yes. Refer to Table 3-2 or Table 3-3 to find the message or beep code, respectively, along with its explanation. If you can't find the message or code, call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) No. If you still have a display problem but the display is not completely blank, run the Video test group in the Dell Diagnostics. Then call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) 9. Turn off your computer and connect an external monitor to the computer. 10. Turn on the computer and the monitor and adjust the monitor's brightness and contrast controls. Is the monitor readable? Yes. The computer's display may be defective. Call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) No. The computer's video controller on the system board may be defective. Call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) During POST, the computer checks to see if an external monitor is attached to the computer. If no image appears on the external monitor when the computer boots, make a copy of the Diagnostics Checklist found in Chapter 5 and fill it out as you complete the following procedure: 1. Is the Video Display Device option in the Setup program set to LCD Mode? Yes. If the Video Display Device option is set to LCD Mode, the computer ignores the presence of an external monitor at start-up. Go to step 2. No. Go to step 2. 2. Press the key combination on the integrated keyboard several times. Does an image appear on the external monitor? Yes. The problem is resolved. No. Go to step 3. 3-28 Dell Inspiron 7000 Reference and Troubleshooting Guide

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3-28
Dell Inspiron 7000 Reference and Troubleshooting Guide
6.
Turn on the computer. Is the display on?
Allow one minute for the computer to initialize its components.
Yes.
Go to step 7.
No.
Go to step 9.
7.
Use the <Fn> down-arrow or <Fn> up-arrow key combination to adjust the
brightness. Is the full display readable?
Yes.
Go to step 8.
No.
Go to step 9.
8.
Has an error message appeared on the display, or has a beep code sounded?
Yes.
Refer to Table 3-2 or Table 3-3 to find the message or beep code, respec-
tively, along with its explanation. If you can’t find the message or code, call Dell
for technical assistance. (See Chapter 5, “Getting Help,” for instructions.)
No.
If you still have a display problem but the display is not completely blank, run
the Video test group in the Dell Diagnostics. Then call Dell for technical assis-
tance. (See Chapter 5, “Getting Help,” for instructions.)
9.
Turn off your computer and connect an external monitor to the computer.
10.
Turn on the computer and the monitor and adjust the monitor’s brightness and
contrast controls. Is the monitor readable?
Yes.
The computer’s display may be defective. Call Dell for technical assistance.
(See Chapter 5, “Getting Help,” for instructions.)
No.
The computer’s video controller on the system board may be defective. Call
Dell for technical assistance. (See Chapter 5, “Getting Help,” for instructions.)
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During POST, the computer checks to see if an external monitor is attached to the
computer. If no image appears on the external monitor when the computer boots,
make a copy of the Diagnostics Checklist found in Chapter 5 and fill it out as you com-
plete the following procedure:
1.
Is the
Video Display Device
option in the Setup program set to LCD Mode?
Yes.
If the
Video Display Device
option is set to
LCD Mode
, the computer
ignores the presence of an external monitor at start-up. Go to step 2.
No.
Go to step 2.
2.
Press the <Fn><F8> key combination on the integrated keyboard several times.
Does an image appear on the external monitor?
Yes.
The problem is resolved.
No.
Go to step 3.