Wireless-Lan Problem - Lenovo ThinkPad P71 User Manual

– Use Category 5 wiring and ensure 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: Ensure that Wake on LAN is enabled in ThinkPad Setup. If it is, check with your LAN
administrator for the necessary settings.
• Problem: My computer is a Gigabit Ethernet model, but it cannot connect to the network at 1000 Mbps.
Instead, it connects at 100 Mbps.
Solution:
– Try another Ethernet cable.
– Ensure that the link partner is set to auto-negotiate.
– Ensure that the switch is 802.3ab-compliant (gigabit over copper).

Wireless-LAN problem

Problem: I cannot connect to the network using the built-in wireless network card.
Solution: Ensure that:
• The Airplane mode is off.
• Your wireless-LAN driver is the latest version.
• Your computer is within the range of a wireless access point.
• The wireless radio is enabled.
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. For more information,
see "Replacing the wireless-WAN card" on page 101.
Note: Some models do not have a wireless-WAN card.
Bluetooth problem
Note: Check your connection anytime and ensure that no other Bluetooth-enabled device is searching for
the device to which you want to connect. Simultaneous searching is not allowed in the Bluetooth connection.
Problem: Sound does not come from the Bluetooth headset/headphones but comes from the local speaker
even though the Bluetooth headset/headphones is connected using a Headset profile or AV profile.
Solution: Do the following:
1. Exit the program that uses the sound device (for example, Windows Media Player).
2. Go to Control Panel, and ensure that you view Control Panel by Category.
3. Click Hardware and Sound ➙ Sound ➙ Playback.
4. If you are using a Headset profile, select Bluetooth Hands-free Audio and click Set Default. If you are
using an AV profile, select Stereo Audio and click Set Default.
5. Click OK to close the Sound window.
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Chapter 8 Troubleshooting computer problems
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