Sony PCV-RX590G - Vaio Desktop Computer User Manual page 83

 If your speakers use an external power source, verify that the power cord is plugged into a grounded wall outlet or
power strip.
 If your speakers have volume control, check the volume level.
 You cannot hear sound from your speakers if headphones are connected to your computer.
If the software application you are using has its own volume control, check that the volume is turned up.

Check the volume controls in the Windows

1. Click Start in the Windows taskbar, then select Control Panel.
2. Select Sounds, Speech, and Audio Devices, then click "Adjust the system volume."
3. From the Volume tab, adjust the Device volume by moving the slider bar to the desired sound level.
Verify that the Mute option is not selected.
 Check that the Mute check box is not selected in the Windows volume control.
Note:
You may need to reinstall the sound drivers. See
Topic: My m odem connection is slow.
Many factors influence modem connection speed:
 Telephone line noise
 Incompatibility with other telephone equipment such as fax machines or other modems.
 Internet Service Providers (ISP) connection capability may vary.
If you think your modem is not connecting properly to other PC-based modems, fax machines, or your ISP, check the
following:
 Contact your phone company and ask them to verify that your phone line is free from line noise.
 If your problem is fax-related, check that there are no problems with the fax machine you are calling and that it is
compatible with fax modems.
 For optimum performance, verify that your ISP point of presence (POP) phone number is compliant with V.90
standards.
 If you are having a problem connecting with your ISP, check that they are not experiencing technical problems.
 Try connecting your modem through another phone line, if available.
Topic: My m odem does not work.
Your modem may be experiencing equipment or software conflicts. If your modem is not functioning properly, check the
following:
Check that the phone line is plugged into the Line jack.

 Check that the phone line is working. You can check the line by plugging in a standard telephone and listening for a
dial tone.
Check that the access phone number (POP) is correct.

 All software applications that are preinstalled by Sony are compatible with your computer modem. If you have
installed other software, contact the software publisher for information on how to configure the software to
recognize the modem.
If it appears that your modem is not functioning properly, check the device status.

1. Click Start in the Windows taskbar, then click Control Panel.
2. Click Printers and Other Hardware and then select Phone and Modem Options.
3.
From the Modems tab, click to select your modem.
4.
Click Properties. The Modem Properties window appears.
5.
Review the information in the Device status section. If your modem is not working properly, click the
troubleshoot button. The VAIO Help and Support Center window appears.
6.
Follow the onscreen instructions to resolve the problem.
Note:
operating system using these steps:
®
To Use the Driver Recovery CD for more information.
Page 83