Performance Problems - Lenovo ThinkCentre M900z 10F2 User Manual

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Hardware maintenance manual (146 pages)

Table Of Contents

Table of Contents

1. Depending on your Windows version, do one of the following:

– For Windows 7: Click the Start button to open the Start menu.

– For Windows 10: Right-click the Start button to open the Start context menu.

2. Click Control Panel. View Control Panel using Large icons or Small icons, and then click Network

and Sharing Center ➙ Change adapter settings.

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

• Update or reinstall the wireless LAN driver. See "Keeping your computer current" on page 26.

Bluetooth problems

Note: The Bluetooth feature is supported only on some models.

The Bluetooth feature does not work

Solutions:

• Enable the Bluetooth feature in the Setup Utility program. See "Starting the Setup Utility program" on

page 33. Then, follow the instructions on the screen.

• Turn on the Bluetooth radios.

1. Depending on your Windows version, do one of the following:

– For Windows 7: Click the Start button to open the Start menu. Right-click Computer, and then

click Properties.

– For Windows 10: 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. Right-click the Bluetooth radios under Bluetooth Radios and click Enable.

• Enable the Bluetooth adapter.

1. Depending on your Windows version, do one of the following:

– For Windows 7: Click the Start button to open the Start menu.

– For Windows 10: Right-click the Start button to open the Start context menu.

2. Click Control Panel. View Control Panel using Large icons or Small icons, and then click Network

and Sharing Center ➙ Change adapter settings.

3. Right-click the Bluetooth adapter icon and click Enable.

• Update or reinstall the Bluetooth driver. See "Keeping your computer current" on page 26.

Sound does not come from the Bluetooth headset or headphones

Solution: Set the Bluetooth headset or headphones as the default device.

1. Exit the application that uses the sound device (for example, Windows Media Player).

2. Right-click the volume icon in the Windows notification area on the taskbar.

Note: If the volume icon is not displayed in the Windows notification area, add the icon to the

notification area. See "Adding an icon to the Windows notification area" on page 16.

3. Click Playback devices.

4. If you are using the Headset profile, select Bluetooth Hands-free Audio, and then click Set Default. If

you are using the AV profile, select Stereo Audio, and then click Set Default.

5. Click OK.