Lenovo Yoga AIO 7 27ARH7 Руководство пользователя - Страница 21

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Problem

The computer cannot connect to an Ethernet

LAN.

When a Gigabit Ethernet model computer is

used at a speed of 1000 Mbps, the Ethernet

LAN connection fails or errors occur.

The Wake On LAN (WOL) feature does not

work.

The Wi-Fi feature does not work.

Solution

• Connect the cable from the Ethernet connector to the RJ45

connector of the hub.

• Enable the Ethernet LAN feature in UEFI BIOS.

• Enable the Ethernet LAN adapter.

1. Go to Control Panel and view by large icons or small icons.

2. Click Network and Sharing Center ➙ Change adapter

settings.

3. Right-click the Ethernet LAN adapter icon and click Enable.

• Update or reinstall the Ethernet LAN driver.

• Install all networking software that is necessary for your network

environment. Check with your LAN administrator for the necessary

networking software.

• Set the same duplex for the switch port and the adapter. If you

configured the adapter for full duplex, ensure that the switch port is

also configured for full duplex. Setting a wrong duplex mode might

degrade performance, cause data loss, or result in lost

connections.

Connect the network cable to the Ethernet connector using Category

5 wiring and a 100 BASE-T hub/switch (not 100 BASE-X).

Enable the Wake On LAN feature in UEFI BIOS.

• Enable the Wi-Fi feature in UEFI BIOS.

• Enable all Wi-Fi devices.

1. Right-click the Start button to open the Start context menu.

2. Click Device Manager. Type the administrator password or

provide confirmation, if prompted.

3. Expand Network adapters to display all network devices.

4. Right-click each Wi-Fi device, and then click Enable device.

• Enable the Wi-Fi feature in Windows Settings.

1. Open the Start menu.

2. Click Settings ➙ Network & Internet ➙ Wi-Fi.

3. Enable the Wi-Fi feature.

• Update or reinstall the Wi-Fi driver.

Chapter 4

Troubleshooting, diagnostics, and recovery