Lenovo 7Y54, Maintenance Manual

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Keyboard, mouse, or USB-device problems
Use this information to solve problems related to a keyboard, mouse, or USB device.
• “All or some keys on the keyboard do not work.” on page 108
• “Mouse does not work.” on page 108
• “KVM switch problems” on page 108
• “USB-device does not work.” on page 108
All or some keys on the keyboard do not work.
1. Make sure that:
• The keyboard cable is securely connected.
• The server and the monitor are turned on.
2. If you are using a USB keyboard, run the Setup utility and enable keyboardless operation.
3. 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.
4. Replace the keyboard.
Mouse does not work.
1. 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.
2. 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.
3. Replace the mouse.
KVM switch problems
1. Make sure that the KVM switch is supported by your server.
2. Make sure that the KVM switch is powered on correctly.
3. 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.
1. Make sure that:
• The correct USB device driver is installed.
• The operating system supports USB devices.
2. 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
https://sysmgt.lenovofiles.com/help/topic/lxpm_frontend/lxpm_product_page.html .)
Then, click
System Settings
➙
Devices and I/O Ports
➙
USB Configuration
.
3. If you are using a USB hub, disconnect the USB device from the hub and connect it directly to the
server.
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ThinkSystem SR150 Maintenance Manual