Keyboard, mouse, KVM switch or USB-device problems
Use this information to solve problems related to a keyboard, mouse, KVM switch or USB-device problems.
All or some keys on the keyboard do not work
- Make sure that: - The keyboard cable is securely connected. 
- The server and the monitor are turned on. 
 
- If you are using a USB keyboard, run the Setup Utility and enable keyboardless operation. 
- If you are using a USB keyboard and it is connected to a USB hub, disconnect the keyboard from the hub and connect it directly to the server. 
- Replace the keyboard. 
Mouse does not work
- Make sure that: - The mouse cable is securely connected to the server. 
- The mouse device drivers are installed correctly. 
- The server and the monitor are turned on. 
- The mouse option is enabled in the Setup Utility. 
 
- If you are using a USB mouse and it is connected to a USB hub, disconnect the mouse from the hub and connect it directly to the server. 
- Replace the mouse. 
KVM switch problems
- Make sure that the KVM switch is supported by your server. 
- Make sure that the KVM switch is powered on correctly. 
- If the keyboard, mouse or monitor can be operated normally with direct connection to the server, then replace the KVM switch. 
USB-device does not work
- Make sure that: - The server is turned on and there is power supplied to the server. 
- The correct USB device driver is installed. 
- The operating system supports the USB device. 
 
- Make sure that the USB configuration options are set correctly in system setup. - Restart the server and press the key according to the on-screen instructions to display the LXPM system setup interface. (For more information, see the - Startup section in the LXPM documentation compatible with your server at Lenovo XClarity Provisioning Manager portal page.) Then, click .
- If you are using a USB hub, disconnect the USB device from the hub and connect it directly to the server. 
- If the USB device is still not working, try to use a different USB device, or try to connect the USB device that is being tested to another working USB connector. 
- If the USB device works well on another USB connector, the original USB connector may have a problem. - If the USB connector is on the front of the server: - Remove and reconnect the USB cable. Ensure that the USB cable is correctly connected to the system board assembly. See Internal cable routing 
- Replace the front panel or front I/O assembly. 
 
- If the USB connector is at the rear of the server: - (Trained technician only) Replace the system I/O board.