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English Manual ENG 6
Troubleshooting
If you experience any problems, first ensure that all cables are well seated and that both the
mouse and keyboard have been correctly installed in each of the connected computers
operating systems before connecting to the CPU Switch Lite USB 2.0.
Tip: To avoid confusion label the cables with the number of each connected computer!
PC Computers
• Error Message: Keyboard or mouse are not found/not recognised during Boot-up.
When connecting a PS/2 keyboard to the CPU Switch LITE USB 2.0’s PS/2 port,
the computer fails to boot because of a keyboard error! The PC’s BIOS (Basic Input
Output System) may need to be upgraded to so that it accepts USB to PS/2 conversion
(normally most modern BIOS will support this). Check your PC/motherboard
manufacturer’s web site for the latest BIOS version.
• The keyboard or mouse is not working or not compatible with the PC! Please
make sure the keyboard and/or mouse works correctly when plugged directly into each
of the computers. If the problem persists, please try another keyboard or mouse.
(Please also regard the restriction remarks on page 1 of this manual).
• Mouse not working in Auto Scan mode! Press any key on the keyboard, or the button
on the CPU Switch to return it to standard mode and then try the keyboard or mouse
again.
• About Auto Scan mode. When the CPU Switch LITE USB is in Auto Scan mode, each
computers display is output to the monitor one by one. The USB Hub is not switched in
auto scan mode! When you see the display of the computer you want to control, simply
press a key and the console connects to that port.
• What is the maximum recommended VGA cable length? The maximum
recommended VGA cable length is 5m (20 feet).
• What are the maximum recommended keyboard and mouse cable lengths? The
recommended maximum keyboard and/or mouse cable length is 3m (10 feet).
• What is the maximum recommended USB cable length? The maximum USB cable
length is 5m (20 foot). If you experience problems using longer cable lengths, please
use a USB Active Extension Cable. Please always regard the maximum USB cable
segment length of 5m, and the maximum number of USB 2.0/1.1 segments.
• When switching the USB Hub from one computer to another and there are many
USB devices attached or shared, it will take about 10 seconds for all USB devices to
be initialised.