Dell Latitude 120L User Manual Page 101
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Press <Fn><End> to disable (mute) or re-enable the integrated speakers.
Reinstall the sound (audio) driver —
See Reinstalling Drivers and Utilities.
No sound from external speakers
Ensure that the subwoofer and the speakers are turned on —
See the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminate distortion.
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.
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.
Test the electrical outlet —
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Eliminate possible interference —
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Reinstall the audio driver —
See Reinstalling Drivers and Utilities.
Run the Dell Diagnostics —
See Dell Diagnostics.
No sound from headphones
Checktheheadphonecableconnection—
Ensure that the headphone cable is securely inserted into the headphone connector. See audio connectors.
AdjusttheWindowsvolumecontrol—
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.
Touch Pad or Mouse Problems
Check the touch pad settings —
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click Mouse.
3. Try adjusting the settings.
NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to MP3 songs, ensure that you did not
turn the player volume down or off.
- A Tour of Your Computer 1
- Left Side View 3
- Right Side View 4
- Back View 5
- Bottom View 5
- Appendix 7
- Macrovision Product Notice 8
- Using a Battery 9
- Charge Gauge 10
- Conserving Battery Power 11
- Power Management Modes 11
- Power Management Wizard 12
- Hibernate Mode 12
- Selecting a Power Scheme 13
- Power Options Properties 14
- Charging the Battery 15
- Replacing the Battery 15
- Storing a Battery 16
- Using ExpressCards 17
- Playing a CD or DVD 19
- Adjusting the Volume 19
- Adjusting the Picture 20
- Copying CDs and DVDs 20
- Using Blank CDs and DVDs 21
- Helpful Tips 21
- Using the Display 23
- Finding Information 26
- Glossary 28
- Getting Help 34
- Problems With Your Order 35
- Product Information 35
- Before You Call 36
- Contacting Dell 36
- Numeric Keypad 45
- Key Combinations 45
- Touch Pad 46
- Customizing the Touch Pad 47
- Network Setup Wizard 48
- Setting Up a New WLAN 49
- Adding and Replacing Parts 53
- Hard Drive 54
- CD/DVD Drive 56
- Memory 56
- Wireless Mini PCI Card 58
- Hinge Cover 60
- Keyboard 61
- Dell™QuickSetFeatures 63
- Securing Your Computer 65
- Using a Hard Drive Password 66
- Setting Up Your Computer 68
- Setting Up a Printer 70
- Power Protection Devices 71
- Line Conditioners 72
- System Setup Program 73
- Commonly Used Options 74
- Reinstalling Software 75
- Creating a Restore Point 77
- Enabling System Restore 77
- Before You Begin 78
- Reinstalling Windows XP 78
- Specifications 79
- Dell™Latitude™120L 83
- User's Guide 83
- Identifying Your Computer 85
- Packing the Computer 85
- Travel Tips 85
- Traveling by Air 86
- Solving Problems 87
- Drive Problems 88
- CD and DVD drive problems 89
- Hard drive problems 90
- Error Messages 91
- Keyboard Problems 95
- Memory Problems 97
- Network Problems 97
- ExpressCard Problems 98
- Power Problems 98
- Printer Problems 99
- Scanner Problems 100
- Sound and Speaker Problems 100
- Touch Pad or Mouse Problems 101
- Video and Display Problems 102
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