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Sony VGC-LT39U User Guide - Page 174

What should I do if I do not hear sound from the built-in speakers?

UPC - 027242742529

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n 174 N Troubleshooting What should I do if I do not hear sound from the built-in speakers? ❑ If you are using a program that has its own volume control, make sure the volume control is properly set. See the program's help file for more information. ❑ Make sure the speaker volume is turned up loud enough and the audio option is enabled. ❑ The muting button on the wireless keyboard or the remote commander may have been pressed. Press the button once again. ❑ The volume may have been turned off with the volume down button on the wireless keyboard or the remote commander. Press the volume up button to turn up the volume loud enough to hear sound. ❑ Check the Windows volume controls by clicking the volume icon on the taskbar.

Section	Page
Before Use	5
Energy Star	6
Documentation	7
Ergonomic Considerations	11
Getting Started	13
Locating Controls and Ports	14
About the Indicator Lights	19
Setting Up Your Computer	20
Shutting Down Your Computer Safely	33
Using Your VAIO Computer	34
Using the Keyboard	35
Using the Mouse	39
Using the Built-in MOTION EYE Camera	42
Using the Optical Disc Drive	46
Using the TV Function	57
Using PC Cards	76
Using the ExpressCard Module	79
Using the Memory Stick Media	83
Using Other Memory Cards	89
Using the Internet	92
Using Wireless LAN (WLAN)	94
Using Peripheral Devices	101
Connecting a Universal Serial Bus (USB) Device	102
Connecting a Printer	104
Connecting an i.LINK Device	105
Connecting to a Network (LAN)	107
Customizing Your VAIO Computer	109
Setting the Password	110
Setting Up Your Computer with VAIO Control Center	115
Using the Power Saving Mode	116
Upgrading Your VAIO Computer	119
Adding and Removing Memory	120
Adding the Hard Disk Drive	126
Precautions	132
On Handling the LCD Screen	133
On Using the Power Source	134
On Handling Your Computer	135
On Using the Built-in MOTION EYE Camera	137
On Handling Floppy Disks	138
On Handling Discs	139
On Using Headphones	141
On Handling Memory Stick Media	142
On Handling the Hard Disk	143
On Updating Your Computer	144
Troubleshooting	145
Computer	147
System Security	154
Built-in MOTION EYE Camera	155
Internet	158
Networking	160
Optical Discs	163
Display	168
Printing	169
Microphone	170
Mouse	172
Speakers	173
Keyboard	175
Floppy Disks	176
PC Cards	177
Audio/Video	179
Memory Stick Media	182
Peripherals	183
Support Options	184
Sony Support Information	185
Program Support Information	188