Barrier Application Sharing: Keyboard and Mouse Not Working Between Computers

Prerequisites

Before we dive into the issue, ensure both computers meet the following requirements:

• Both computers should be running the same version of the Barrier application.
• Both computers should be connected to the same network.
• The computers should not be in sleep mode or hibernation.

Causes

There are several reasons why the keyboard and mouse may not work when using Barrier application sharing. Some common causes include:

• Firewall or Antivirus: Firewalls or antivirus software may block the Barrier application from accessing the keyboard and mouse.
• Display Settings: If the display settings on the remote computer are not set correctly, the keyboard and mouse may not function.
• Driver Issues: Outdated or corrupted drivers for the keyboard, mouse, or graphics card may cause issues.

Solutions

Firewall or Antivirus

To resolve issues with firewalls or antivirus software, follow these steps:

1. Check the firewall settings on both computers to ensure that Barrier is allowed through.
2. Disable the antivirus software temporarily on both computers and try using Barrier again.

Display Settings

To configure the display settings on the remote computer, follow these steps:

1. On the remote computer, press the Windows key + P to open the Display settings.
2. Select "Duplicate" or "Extend" to match the display settings on the local computer.

Driver Issues

To resolve driver issues, follow these steps:

1. Update the keyboard, mouse, and graphics card drivers on both computers.
2. Try using a different USB keyboard and mouse on the remote computer.

Additional Troubleshooting

If the issue persists, try the following:

• Restart both computers and try using Barrier again.
• Try using a different network connection.
• Check the Barrier logs for any error messages.