I can't use my headphone Microphone Acer Nitro 5

• Right click the Start button
• Click on control panel
• Select Hardware and Sound
• Click Sound
• Under Playback, right click and select Show Disabled devices
• From the list of headphones, right click on your headphone device name
• Select Enable
• Click Set as Default

• Click Apply

Once you follow all these steps, plug in your headphones again and check if they’re working.

Click on yes if problem solved 

1) Open Playback devices.

2) Right-click the blank place, and then select  Show Disconnected Devices and Show Disabled Devices.

After that, you’ll see headphones appear in the Playback devices shown in Disabled status.

3) Right-click the headphones and click Enable.

After the device is enabled, if you see it not set as Default Device, highlight it and click the Set Default button. If it’s already set as default device, move on to next step.

4) Click OK -> Apply.

5) Check to see if the problem is resolved.

Click yes if problem solved 

2) Under the Recording tab, right click on Stereo Mix and select Enable on the context menu.

3) Click Apply -> OK.

4) Check to see if Windows 10 detects your headphones.

1) Double click Sound, video and game controllers to expand the list of the sound devices.

2) Right click the audio device and select Uninstall device. You may see more than one device under the list, ensure you uninstall the audio device but not the display audio device. You audio is likely to be Realtek High Definition Audio or IDT High Definition Audio. 

3) When prompted for the uninstall, if you see Delete the driver software for this device, check the box, then click the Uninstall button. If you don’t see the box, just lick the Uninstall button.

4) When uninstall completes, restart your computer to allow Windows to reinstall the driver.

5) Check to see if you can see the headphones in Playback devices.

1. Locate the Update & security section at the bottom part of the Settings window and click on it.
2. Navigate to the Troubleshoot tab and check under the Get up and running
3. Playing Audio troubleshooter should be right there at the bottom so make sure you click on it and follow the instructions on screen.

4)Check to see if the problem has been resolved and if your headphones appear under Playback Devices!