Dell Latitude C800 - Manual (Page 78)

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Eliminate possible interference. Turn off nearby fans, fluorescent lights, or halogen lamps to check for
interference from those devices.
l If you connected a TV to the S-video TV-out connector on your computer and there is no picture on your TV
screen, verify the following connections and settings:
¡ The proper cable is connected to the S-video TV-out connector on your computer. See " TV and Digital
Audio ."
¡ Check for damaged or frayed cables and for bent pins on connectors.
NOTE: If your TV did not come with a composite video cable, you can purchase one from a
local electronics store.
¡ Television Type in the system setup program is set to the correct video standard for your country.
¡ Television Port is Enabled in the system setup program.
Check the TV Type Setting
1. Save and close any open files, and exit any open application programs.
2. Shut down your computer.
3. Connect the proper video cable to the S-video TV-out connector on your computer. See "
TV and Digital Audio ."
4. Turn on your TV.
5. Verify that the correct video input is selected on the TV.
6. Restart your computer.
7. Click the Start button, point to Settings, and click Control Panel. (If you are running Windows 2000, double-
click Control Panel.)
8. Double-click the Display icon.
9. Click the Settings tab.
10. Click the Advanced button.
11. Click the TV button.
12. Set the television type to NTSC (US) or PAL (Europe).
NOTE: For more information on connecting a TV to your computer, see " TV and Digital Audio ."
Sound and Speaker
Problems Basic Checks:
l If using external speakers:
¡ Verify the speaker cable connections.
¡ Test the electrical outlet. Verify that the speakers are connected to a working electrical outlet. Ensure that
the speakers are turned on.
¡ Eliminate possible interference. Turn off nearby fans, fluorescent lights, or halogen lamps to check for
interference from those devices.
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Adjust the volume.
l Reinstall the audio driver for your operating system.
l If you are using a S/PDIF-capable device, make sure that the proper cable is connected to the S-video TV-out
connector on your computer. See "
TV and Digital Audio ."
If the problem still exists after you complete the basic checks, fill out the Diagnostics Checklist as you perform the
following steps:
1. Insert your ResourceCD into the CD drive, reboot the computer, and run the Misc. PCI Devices device group in
the Dell Diagnostics. The Misc. PCI Devices device group checks the functionality of the audio controller.
2. Do the tests complete successfully?
Yes. The controller is functioning properly. If the problem persists, call Dell for technical assistance.
No. Call Dell for technical assistance.
DualPoint Device,
Touch Pad, or Mouse
Problems Basic Checks
l If you are using a mouse, ensure that the connector is firmly attached. Mouse extension cables can cause
problems.
l If you are using the touch pad or a PS/2 mouse, run the Pointing Devices test as described in " Dell
Diagnostics ."
l
Verify that the correct device is listed for the Pointing Devices option in the system setup program . For a USB
mouse, you do not have to change the setting. The computer automatically recognizes the USB mouse.
l
Reinstall the touch pad driver for your operating system.
NOTE: Be sure to refer to the section specific to your operating system.
l Restart the computer.
If the problem still exists after you complete the basic checks, fill out the Diagnostics Checklist as you perform the
following steps:
1. Insert your ResourceCD into the CD drive, reboot the computer, and run the Mouse test in the Pointing
Devices device group in the Dell Diagnostics. The Mouse test checks the functionality of the mouse controller
(which affects the ability to move the pointer around the screen) and the operation of the touch pad buttons.