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9-14 User’s Manual
L350/L350D
Sound system
USB
Refer also to your USB device’s documentation.
Problem Procedure
No sound is heard Adjust the volume control dial.
Check the software volume settings.
Make sure the headphone connection is secure.
Check Windows 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.
Problem Procedure
USB device does not
work
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 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 KB/Mouse Legacy
Emulation item in HW Setup is set to Enabled.
If problems persist, contact your dealer.