Fault analysis of Win7 with Red Fork in lower right corner

Failure Resolution:

1, no sound card or sound card driver not installed

Because it is a newly installed system, some of the equipment system with the driver can not support, so the need to install a separate sound card driver can be used, it is recommended to use the Driver Wizard to install your sound card driver.

2, not connected audio playback equipment (speakers do not plug or headphones are not plugged)

In the Win7 system, if no speakers or headphones are connected to playback devices. The system will not detect this prompt, the desktop will be more, it is recommended to check whether the connection is good.

3. System Audio Service not enabled

If the system Audio service is turned off, it can also cause the volume icon to be marked with a red fork. Please do the following check:

Right-click on the computer, select Management, will pop up the Computer Management dialog box, find the service and application options, as shown in the following illustration:

Then locate Windows Audio, right-click on the second Windows Audio (that is, Windows Audio Endpoint Builder), and then right-click on the first upper Windows audio. The following figure:

Sometimes in the free time, the volume icon will become a red fork state, then only need to click the volume icon can be, and ensure that your tone is not in mute state.