Toshiba Satellite Pro 4300 User Manual - Page 162

Sound system Refer also to Chapter 7, Setup and Password Security. Problem No sound is heard Procedure Adjust the volume control dial. Check the software volume settings. Make sure the headphone connection is secure. Check Windows 95/98 Device Manager. Make sure the sound function is enabled and that settings for I/O address, Interrupt level and DMA are correct for your software and do not conflict with other hardware devices that you may have connected to the computer. If problems persist, contact your dealer. USB Refer also to your USB device's documentation. Problem USB device does not work Procedure Check for a firm cable connection between the USB ports on the computer and the USB device. Make sure the USB device drivers are properly installed. Refer to your Windows 95/98 documentation for information on checking the drivers. If you are using an operating system that does not support USB, you can still use a USB mouse and/or USB keyboard. If these devices do not work, make sure the USB Legacy Emulation item in TSETUP is set to Enabled. This feature works only for mouse and keyboard. Also, the mouse and keyboard must be connected, before you boot the computer. If problems persist, contact your dealer. 9-14 Troubleshooting User's Manual