Fix Alt + Tab not working in Windows 10

The combination of the two Alt + Tab keyboard buttons is very helpful in easily switching between multiple open tabs or windows in Windows 10. If you have noticed that when pressing Alt + Tab keys it doesn't work like Normally, this article will be of help to you.

In this article, TipsMake easier than ever to try to help you fix Alt + Tab not working error in Windows 10.

1. Restart File Explorer

Restart Explorer and see if the problem is resolved. If the error is not resolved, continue with the next solution.

2. Modify the ForegroundLockTimeout registry value

Modify the ForegroundLockTimeout registry value

Since this is a registry related operation, you should back up the registry or create a system restore point to prevent problems from occurring. Once done, you can proceed as follows:

1. Press Windows key + R to bring up the Run dialog box .
2. In the Run dialog box , type regedit and press Enter to open Registry Editor.
3. Navigate to the registry key path below:

ComputerHKEY_CURRENT_USERControl PanelDesktop

1. On the right side, double-click the ForegroundLockTimeout entry to edit its properties.
2. In the Properties window , select Decimal under Base.
3. Then set the Value data to 0 .
4. Click OK to save the changes.
5. Exit Registry Editor and restart the device.

At startup, check to see if the issue is resolved. If Alt + Tab still doesn't work, try next solution.

3. Modify the AltTabSettings registry value

Modify the AltTabSettings registry value

Take necessary precautions like creating a restore point or backing up the registry before you continue.

Do the following:

1. Open Registry Editor.
2. Navigate to the registry key path below:

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorer

1. On the right side, double-click the AltTabSettings entry to edit its properties.

If this item does not appear, you must create a new one. Right-click anywhere on the right panel and choose New> Dword (32-bit) Value . Name the key AltTabSettings.

1. In the Properties window , set the Value data to 1 .
2. Click OK to save the changes.
3. Exit Registry Editor and restart the device.

At startup, check to see if the issue is resolved. If not, continue with the next solution.

4. Reinstall keyboard driver

Reinstall keyboard driver

Do the following:

1. Press Windows key + X to open the Power User Menu, then press the M key to open Device Manager.
2. Expand the Keyboard section then right-click on the listed keyboard driver and select Uninstall.
3. Reboot the system.

Windows will automatically download and install the latest keyboard driver version. Now check to see if the problem got solved. If the problem persists, continue with the next solution.

5. Enable the Enable peek option

Enable the Enable peek option

Do the following:

1. Press Windows key + R to bring up the Run dialog box .
2. In the Run dialog box , type sysdm.cpl and press Enter to open System Properties.
3. Go to the Advanced tab .
4. Click the Settings button under Performance.
5. Make sure the Enable peek option is checked, and if not, click the little box to the left of the option to enable it.

Now check if the issue is resolved.

Micah Soto

Update 24 August 2020