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Solution: Your screen saver or power management might have been enabled. Do either of the following:
– Touch the TrackPoint pointing device or the touch pad, or press a key to exit the screen saver.
– Press the power switch to resume from sleep or hibernation.
Beep errors
Table 8. Beep errors
Problem
One short beep, pause, three short beeps, pause, three
more short beeps, and one short beep
One long and two short beeps
Four cycles of four short beeps
Five short beeps
Three short beeps, pause, one short beep, pause, one
more short beep, and three short beeps
Memory module problems
Print these instructions now and keep it with your computer for reference later.
If your memory module is not operating properly, check the following items:
1. Verify that the memory module is installed and seated correctly in your computer.
It might be necessary to remove all added memory modules to test the computer with only the
factory-installed memory modules, and then reinstall the memory module one at a time to ensure
a proper connection.
2. Check for error messages during startup.
Follow the appropriate corrective actions for power-on self-test (POST) error messages.
3. Verify that the latest UEFI for your model has been installed.
4. Verify the proper memory configuration and compatibility including the maximum memory size and the
memory speed.
5. Run the Lenovo Solution Center program.
Networking problems
The following are the most common networking problems:
Ethernet problems
Problem: Your computer cannot connect to the network.
Solution: Make sure that:
• The cable is installed correctly.
The network cable must be securely connected both to the Ethernet connector of your computer and
to the RJ45 connector of the hub. The maximum allowable distance from the computer to hub is 100
Solution
Make sure that memory modules are installed correctly. If
they are, and you still hear the beeps, have the computer
serviced.
The video function has a problem. Have the computer
serviced.
The Security Chip has a problem. Have the computer
serviced.
The system board has a problem. Have the computer
serviced.
PCI resource allocation failure. Power off and remove
device from ExpressCard Slot. If the beeps persist, have
the computer serviced.
.
Chapter 10
Troubleshooting computer problems
141
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