Memory Problems - Lenovo System x3650 M5 Installation And Service Manual

• 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 support website at
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.

Memory problems

Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.
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Lenovo System x3650 M5 Installation and Service Guide
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, tips,