Lenovo ThinkStation D30, User Manual

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Actions:
• Make sure that WOL is enabled in the BIOS Setup Utility program.
• If it is, check with your LAN administrator for the necessary settings.
If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection
fails or errors occur
Symptom: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection
fails or errors occur.
Actions:
• Use Category 5 wiring and make sure that the network cable is securely connected.
• Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X).
If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead,
it connects at 100 Mbps
Symptom: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.
Instead, it connects at 100 Mbps.
Actions:
• Try another cable.
• Make sure that the link partner is set to auto-negotiate.
• Make sure that the switch is 802.3ab-compliant (gigabit over copper).
Option problems
Use this information to diagnose problems with Lenovo hardware options that do not have their own
troubleshooting information.
Select your symptom from the following list:
• “An option that was just installed does not work” on page 109
• “An option that previously worked does not work now” on page 110
An option that was just installed does not work
Symptom: An option that was just installed does not work.
Action: Verify that:
• The option is designed for your computer.
• You followed the installation instructions supplied with the option and the installation instructions provided
with your computer, and all option files (such as device drivers, if required) are installed correctly.
• You have not loosened other installed options or cables.
• If the option is an adapter, you have provided enough hardware resources for the adapter to function
correctly. See the documentation supplied with the adapter (as well as the documentation for any other
installed adapters) to determine the resources required for each adapter.
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on
page 114 for instructions). If you need technical assistance, see Chapter 12 “Getting information, help, and
service” on page 115.
Chapter 11
.
Troubleshooting and diagnostics
109