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  | Appendices | |
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  | Symptom  | Action  | 
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  | Keyboard is inoperable on  | If keyboard does not function on one channel, verify  | 
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  | one computer channel  | that the cables from the computer to the APC KVM  | 
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  | Switch are connected properly.  | 
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  | If you are operating in secure mode, verify your  | 
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  | keyboard and mouse privileges.  | 
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  | Verify that the keyboard works properly connected  | 
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  | directly to the computer. If the problem persists, contact  | 
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  | APC Technical Support.  | 
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  | Keyboard is inoperable on  | If the keyboard does not work on any channel, try  | 
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  | all channels  | ‘the Reset PS/2 Mse/Kbd’ command from the OSD  | 
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  | Command Menu.  | 
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  | Try a different keyboard. If the keyboard still does not  | 
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  | function, cycle the power on the APC KVM Switch unit.  | 
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  | Cycle power on all attached computers and the  | 
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  | APC KVM Switch unit and try again. If the problem  | 
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  | persists, contact APC Technical Support.  | 
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  | Keyboard is inoperable after  | If you are operating in secure mode, verify your  | 
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  | switching channels  | keyboard and mouse privileges. If the problem persists,  | 
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  | call APC Technical Support.  | 
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  | Try changing the keyboard scan set for that channel  | 
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  | by using the keyboard command sequence <Kn>. (For  | 
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  | more information, see the ‘Basic Operations’ chapter.)  | 
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  | Characters on screen do not  | Try changing the keyboard scan set for that channel  | 
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  | match keyboard input  | by using the keyboard command sequence <Kn>. (For  | 
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  | more information, see the ‘Basic Operations’ chapter.) If  | 
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  | the problem persists, call APC Technical Support.  | 
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  | No keyboard, video or mouse  | Verify that the cable connecting the two units  | 
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  | on expansion unit; base unit  | together is correctly connected on both ends. (For  | 
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  | is functioning properly  | additional information, see the ‘Installation’ chapter.) If  | 
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  | the problem persists, contact APC Technical Support.  | 
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