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Anleitung Zusammenfassung
To update the driver, right-click the highlighted adapter. 5. Click Update Driver Software, and then follow the instructions on the screen. For Windows XP: 1. Click Start, and then click Control Panel. 2. Click Performance and Maintenance, and then click System. 3. Click the Hardware tab, and click the Device Manager button. 4. If the x mark is to the left of the adapter name under Network adapter, you might not use the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter. 5. Click Properties. The Properties window appears. Chapter 10. Troubleshooting computer problems 187 6. Click the Driver tab. 7. Click the Update Driver button. The Update Device Driver wizard appears. Follow the instructions on the screen. – The switch port and the adapter have the same duplex setting. If you configured the adapter for full duplex, make sure the switch port is also configured for full duplex. Setting the 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 may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed in the preceding problem. • Problem: If your computer is a Gigabit Ethernet model and you use the 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 (WOL) feature is not working. Solution: – Make sure that WOL 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: You cannot connect using the built-in wireless networking card. Solution: Make sure that your wireless LAN driver is the latest version installed. Check the Web site and confirm the driver version supported by Access Connections is the latest documented in the README file. Make sure that your computer is within range of a wireless access point. Make sure that the wireless radio is enabled by double-clicking the Access Connections icon in the task bar. Note: If your computer is a Windows 7 model, to display the Access Connections status icon and the wireless status icon in the system tray, refer to the Access Connections on-line help. Check Network Name (SSID), and your encryption information. Use Access Connections to verify this case-sensitive information. A wireless WAN problem • Message: Unauthorized WAN card is plugged in -Power off and remove the WAN card. Solution: The WAN card is not supported on this computer. Remove it. 188 User Guide Note: Depending on your computer, some models do not have a wireless WAN. Bluetooth problems For Windows 7 and Windows Vista • Problem: Sound does not come from the Bluetooth headset/headphone but comes from the local speaker even though the headset/headphone is connected using Headset profile or AV profile. Solution: Do the following: 1. Exit the application that uses the sound device (for example, Windows Media Player). 2. Open the Control Panel by clicking Start . Control Panel. 3. Click Hardware and Sound . Sound. 4. Select the Playback tab. 5. If you are using Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. If you are using AV profile, select Stereo Audio and click the Set Default button. 6. Click OK to close the Sound window. • Problem: PIM (Personal Information Manager) items sent from Windows 7 and Windows Vista cannot be received correctly into the address book of any other Bluetooth-enabled device. Solution: Windows 7 and Windows Vista send PIM items in XML format, but most Bluetooth-enabled devices handle PIM items in vCard format. If another Bluetooth-enabled device can receive a file through Bluetooth, a PIM item sent from Windows 7 and Windows Vista might be saved as a file with the extension .contact. For Windows XP Notes: If you are using the Microsoft standard Bluetooth features and you want to access information about how to use the Bluetooth function, do the following: 1. Press Fn+F5 to turn on Bluetooth. 2. Click Start . Control Panel. 3. Click Printers and Other Hardware. 4. Click Bluetooth Devices. 5. Click the Options tab. 6. Click Learn more about Bluetooth Settings Note: If you are using the ThinkPad Bluetooth with Enhanced Data Rate Software, r...
Dieses Handbuch ist für folgende Modelle:PC Notebooks - ThinkPad T420s (4171) (4.21 mb)
PC Notebooks - ThinkPad T420s (4172) (4.21 mb)
PC Notebooks - ThinkPad T420s (4173) (4.21 mb)
PC Notebooks - ThinkPad T420s (4174) (4.21 mb)