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Chapter 4: Troubleshooting
When I switch between computers, mouse movement becomes random. What can be the
cause?
One of the following may be the case:
• Verify that your computers do not have more than one mouse driver installed. Make sure that
the driver is for a standard PS/2 or fully Microsoft compatible PS/2 mouse. Also check with
the mouse vendor to verify you are using the latest mouse driver.
• Check your config.sys and autoexec.bat files (if you run Windows that is) and verify that only
one mouse driver is loaded.
• If a special mouse is used, such as a cordless or scrolling mouse, make sure you use
generic PS/2 mouse drivers. A non-standard PS/2 mouse may have extensions on the PS/2
protocol that are not supported by the KVM-04P unit.
• Do not move the mouse or press any mouse buttons while switching from one system to
the other.
• Try resetting the mouse by unplugging it from the KVM-04P unit for about 3 seconds.
Mouse movement will now be correct again.
• Before booting up any computers, the KVM-04P unit must be powered-up. But before
powering the KVM-04P unit up, the mouse and keyboard must be connected. Any deviation
from this power-up sequence may lead to erratic behavior of the systems.
VIDEO
The image on my monitor is not clear. What can be the cause?
One of the following may be the case:
• Please verify that all video cables are inserted properly.
• It may be that your resolution or refresh rate is too high. Try a lower refresh rate, or try
lowering the resolution.
• Your video cable may be too long. Video signals are high frequency signals and are therefore
subject to interference. Please use video cables that are as short as possible and/or high
in quality.
• Make sure that the power adapter is plugged in at both ends and that it is working correctly.
Its rating must be 9V 600mA.
NOTEBOOK
When operating the KVM Switch and you find that the mouse was hung. What can be the
cause?
• You can press "Scroll Lock + Scroll Lock +P" to connect it with the KVM Switch, and then
you can use the Console keyboard and mouse to control the Notebook.
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