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2- and 4-Port ServSwitch DT Series USB/DVI/Audio KVM Switches
and try again. See Sections 4.2–4.4.
Problem: The computer hangs up while switching.
Cause: Initializing a device takes too much time.
Solution #1: Wait at least five seconds before switching the computer for
proper USB communication.
Solution #2: Turn off the device driver (not keyboard or mouse) before
switching the computer.
Problem: AutoScan does not switch a PC automatically and the ServSwitch
beeps.
Cause: All PCs are off or only one PC is powered on. The scan mode
works for powered-on computers only.
Solution: Power on the computers.
Problem: The resolution is not good.
Cause: Improper ServSwitch video settings.
Solution: For the 4-port model only, press FUNC to adjust the optimal
video signal strength according to the length or quality of
DVI cable. See Section 4.5.
Problem: When users plug and unplug the DVI connector or switch from
port to port, there is no video signal.
Cause: Some DVI video cards don’t respond to the signal switch simula-
tions.
Solution: Wait a few seconds, then use the Function button to adjust the
video signal strength. See Section 4.5.