Keyboard, Mouse, Or Usb-Device Problems - Lenovo 5457 Installation And Service Manual

Keyboard, mouse, or USB-device problems

Table 19. Keyboard, mouse, or USB-device's symptoms and actions
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• If an action step is preceded by "(Trained technician only)", that step must be performed only by a trained
technician.
• Go to the Lenovo support website at
tips, and new device drivers or to submit a request for information.
Symptom
All or some keys on the
keyboard do not work.
The mouse or USB-device
does not work.
http://www.lenovo.com/support
Action
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.
1. Make sure that:
• The mouse or USB device cable is securely connected to the server.
• The mouse or USB 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 or USB device and it is connected to a USB hub,
disconnect the mouse or USB device from the hub and connect it directly to the
server.
3. Replace the mouse or USB-device.
to check for technical information, hints,
.
Chapter 4 Troubleshooting
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