6If two or more server modules are installed in the chassis, press the KVM selection button on a different server module.

NOTE: After pressing the KVM selection button, allow approximately two seconds for the KVM functions to change to a different server module.

If the keyboard is connected to the back-panel KVM module and works with another server module, the first server module may need to be reseated. See "Server Modules" on page 73. If reseating the server module does not help, the server module may be faulty. See "Getting Help" on page 127.

7Swap the keyboard with a known-working keyboard and repeat step 5 and step 6. If the keyboard does not work with any server module, see "Getting Help" on page 127.

Troubleshooting the Mouse

NOTE: USB mouse devices can be connected only to the front-panel custom cable and PS/2 mouse devices can be connected only to the back-panel custom cable.

Problem

A symptom of a mouse problem is indicated by a system message

Mouse or mouse cable

Keyboard/Video/Mouse (KVM) custom cable

Server module

Action

1Ensure that the server module(s) is turned on.

2Check the mouse connection to the custom cable

3Check the custom cable connection to the either the front-panel custom cable connector on the server module or to the back-panel KVM module.

4If you are connecting a mouse to the front-panelcustom cable connector, test the mouse and front- panel custom cable on a different server module, if available.

5If the mouse does not function from the back-panel KVM module, ensure that the KVM selection indicator on the front panel of the server module is green. If not, press the KVM selection button. See Figure 1-3.

NOTE: See "KVM Modules" on page 22 for instructions on how to select a server module from the keyboard connected to the KVM module.

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Troubleshooting Your System

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Dell 1955 owner manual Troubleshooting the Mouse