Dell Vostro 2510 Service Manual - Page 13

Video and Display Problems, No sound from headphones, Only part of the display is readable - windows 7 themes

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Disconnect headphones from the headphone connector - Sound from the speakers is automatically disabled when headphones are connected to the computer's front-panel headphone connector. Eliminate possible interference - Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. Run the Hardware Troubleshooter - See Hardware Troubleshooter. No sound from headphones Check the headphone cable connection - Ensure that the headphone cable is securely inserted into the headphone connector. See the Setup and Quick Reference Guide for your computer at support.dell.com. Adjust the Windows volume control - Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted. Video and Display Problems CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: If your computer came with a PCI graphics card installed, removal of the card is not necessary when installing additional graphics cards; however, the card is required for troubleshooting purposes. If you remove the card, store it in a safe and secure location. For information about your graphics card, go to support.dell.com. Check the diagnostic lights - See Diagnostic Lights. Check the display settings - See the Dell™ Technology Guide on your computer or at support.dell.com. Adjust the Windows display settings - Windows XP: 1. Click Start Control Panel Appearance and Themes. 2. Click the area you want to change or click the Display icon. 3. Try different settings for Color quality and Screen resolution. Windows Vista: 1. Click Start ® Control Panel® Hardware and Sound® Personalization® Display Settings. 2. Adjust Resolution and Colors settings, as needed. Only part of the display is readable Connect an external monitor - 1. Shut down your computer and connect an external monitor to the computer. 2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls. If the external monitor works, the computer display or video controller may be defective. Contact Dell Support.

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Disconnect headphones from the headphone connector —
Sound from the speakers is automatically disabled when
headphones are connected to the computer's front-panel headphone connector.
Eliminate possible interference —
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Run the Hardware Troubleshooter —
See
Hardware Troubleshooter
.
No sound from headphones
Check the headphone cable connection —
Ensure that the headphone cable is securely inserted into the headphone
connector. See the
Setup and Quick Reference Guide
for your computer at
support.dell.com
.
Adjust the Windows volume control —
Click or double-click the speaker icon in the lower-right corner of your screen.
Ensure that the volume is turned up and that the sound is not muted.
Video and Display Problems
CAUTION:
Before working inside your computer, read the safety information that shipped with your
computer. For additional safety best practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
NOTICE:
If your computer came with a PCI graphics card installed, removal of the card is not necessary when
installing additional graphics cards; however, the card is required for troubleshooting purposes. If you remove the card,
store it in a safe and secure location. For information about your graphics card, go to
support.dell.com.
Check the diagnostic lights —
See
Diagnostic Lights
.
Check the display settings —
See the
Dell™ Technology Guide
on your computer or at
support.dell.com
.
Adjust the Windows display settings —
Windows XP:
1. Click
Start
Control Panel
Appearance and Themes
.
2. Click the area you want to change or click the
Display
icon.
3. Try different settings for
Color quality
and
Screen resolution
.
Windows Vista
:
1. Click
Start
®
Control Panel
®
Hardware and Sound
®
Personalization
®
Display Settings
.
2. Adjust
Resolution
and
Colors settings,
as needed.
Only part of the display is readable
Connect an external monitor —
1. Shut down your computer and connect an external monitor to the computer.
2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Dell Support.