Sony PCG-F450, PCG-F430 manual Troubleshooting My speakers have no sound, My modem does not work

Troubleshooting

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My speakers have no sound

❑If the built-in speakers are turned off, press Fn+F3 to turn on the speakers.

❑If the speaker volume is turned to the minimum, press Fn+F4, and then press ➜ or ➜ to increase the volume.

❑If your computer is powered by batteries, check that the battery packs are inserted properly and that they are charged.

❑If you are using an application that has its own volume control, check that the volume is turned up.

❑Check the volume controls in Windows 98.

❑If you connect external speakers, check that the speakers are properly connected and the volume is turned up. If the speakers have a mute button, make sure it is off. If the speakers are powered by batteries, check that the batteries are inserted properly and that they are charged.

❑If you have connected an audio cable to the Headphone connector, disconnect the cable.

My modem does not work

❑Check that the phone line is plugged into the line jack. See “Connecting a Phone Line” on page 44 for details.

❑Check that the phone line is working. You can check the line by plugging in an ordinary phone and listening for a dial tone.

❑Check that the phone number the program is dialing is correct.

❑Check that the software you are using is compatible with the notebook computer modem. (All preinstalled programs are compatible.) Call the software publisher or Sony Customer Support.

My modem connection is slow

The computer’s modem uses V.90 technology. Many factors influence modem connection speed, including telephone line noise or compatibility with telephone equipment (such as fax machines or other modems). If you think your modem is not connecting properly to other PC-based modems, fax machines, or your Internet Service Provider, check the following:

❑ Have your phone company check that your phone line is free from any line noise.