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CHAPTER 8: Troubleshooting
Your video is OK in low-resolution mode, but you can’t get into high-resolution
mode.
A. If you’re using XGA, you must use coaxial cables (see Section 3.2.3 and
Appendix B).
B. Check your video driver or control panel. It might not be set up correctly for
your desired resolution.
Your on-screen display is not synchronized.
There might be a sync mismatch between a CPU and the monitor; for example,
perhaps the CPU is sending video with composite sync or sync on green and the
monitor only accepts horizontal or vertical sync. Change the settings of the CPU or
monitor so that the two are compatible. If this is not possible, swap in a different
monitor that can handle all of your CPUs’ synchronization types.
The Matrix ServSwitch doesn’t work with your docking station.
The Matrix ServSwitch does not support most docking stations for portable
computers.
The Matrix ServSwitch doesn’t work with your dongle-protected software.
The Matrix ServSwitch does not support most dongles (the devices
required to be
inserted into the keyboard line by some software for copy protection).
The Matrix ServSwitch doesn’t work with your IBM ThinkPad.
The Matrix ServSwitch supports only “stream mode” (continuous) mouse data. It
doesn’t support the “prompt mode” (burst-on-request) method for handling
mouse data that some older IBM ThinkPad models use, regardless of whether the
ThinkPad is connected to the Switch directly or through a docking station (and see
the text under “The Matrix ServSwitch doesn’t work with your docking station”
above).
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