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If you configured the adapter for full duplex, make sure that the switch port also is configured for full
duplex. Setting wrong duplex mode can degrade performance, cause data loss, or result in lost
connections.
– You have installed all networking software that is necessary for your network environment.
Check with your LAN administrator for the necessary networking software.
•
Problem
: The adapter stops working for no apparent reason.
Solution
: The network driver files might be corrupt or missing. Update the driver by referring to the above
solution for the procedure to make sure that the correct device driver is installed.
•
Problem
: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the
connection fails or errors occur.
Solution
:
– 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).
•
Problem
: The Wake on LAN feature is not working.
Solution
:
– Make sure that Wake on LAN is enabled in ThinkPad Setup.
– If it is, check with your LAN administrator for the necessary settings.
•
Problem
: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.
Instead, it connects at 100 Mbps.
Solution
:
– 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).
A wireless-LAN problem
Problem
: I cannot connect to the network using the built-in wireless network card.
Solution
: Make sure that:
• The Airplane mode is off.
• Your wireless-LAN driver is the latest version.
• Your computer is within range of a wireless access point.
• The wireless radio is enabled.
Note:
If you are using the Windows 7 operating system, click
Show hidden icons
on the taskbar. The
Access Connections icon is displayed. For more information about the icon, refer to the Access Connections
help information system.
For the Windows 7 operating system, check the Network Name (SSID) and your encryption information. Use
the Access Connections program to verify this case-sensitive information.
A wireless-WAN problem
Problem
: A message is displayed indicating that an unauthorized WAN card is installed.
Solution
: The WAN card is not supported on this computer. Remove the WAN card.
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User Guide ThinkPad T560 and P50s
Summary of Contents for T560
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