Quick Answer
- Update graphics drivers
- Check display connections and cables
- Test with another display to isolate the issue
Quick Fix Summary
- Check display connections
- Update graphics drivers
- Adjust display settings
- Check for physical damage
- Test with another display
- Restart your computer
Why This Happens
All includes strict privacy controls that can block screen access. The system requires explicit permission for applications to use your screen, and these settings can be reset after updates or changed accidentally.
Driver issues are another common cause. All may not automatically install the correct drivers for your screen, especially for USB devices or specialized equipment. Outdated drivers can cause detection problems or poor performance.
System conflicts occur when multiple applications try to access the screen simultaneously. All allows only one application to use the screen at a time, so background apps or previous sessions can block access.
Hardware problems include loose connections, damaged cables, or screen hardware failure. Physical issues are less common but should be checked if software solutions don't work.
Step-by-Step Fix Guide
Step 1: Check Permissions and Settings
All requires explicit permission for screen access. Verify permissions are enabled in system settings.
- Open All settings or preferences
- Navigate to Privacy or Security settings
- Find Screen permissions
- Ensure access is enabled
- Check that your application is listed and allowed
- Restart your computer if needed
Open All settings and navigate to screen permissions. Enable access for your application and restart if needed.
Step 2: Verify Device Selection
All may be using the wrong screen or no device at all. Verify the correct device is selected.
- Open system sound or camera settings
- Check the list of available devices
- Select the correct screen
- Test the device to confirm it works
- Set it as the default if available
If your screen doesn't appear in the list, it may not be detected. See Step 3 for driver troubleshooting.
Step 3: Update Drivers
Outdated or missing drivers prevent screen detection. Update drivers through system settings or Device Manager.
- Open Device Manager or system settings
- Find screen section
- Right-click your device and select Update driver
- Choose automatic driver search
- Wait for the system to find and install drivers
- Restart your computer after updating
If your screen doesn't appear in Device Manager, check other sections like "Sound, video and game controllers" or "Universal Serial Bus controllers" for USB devices.
If automatic search doesn't find drivers, visit your computer or screen manufacturer's website. Download the latest drivers for All and install them manually.
Step 4: Close Conflicting Applications
Only one application can access your screen at a time. Other apps may be blocking access.
- Close other applications using the screen
- Check system tray for background apps
- End processes in Task Manager if needed
- Restart your browser if using web applications
- Check for browser extensions that might block access
Some applications don't release screen access when closed. Restart your computer to clear all screen locks if needed.
Step 5: Check Physical Connections
Loose or damaged connections prevent device detection. Verify all physical connections are secure.
- Unplug USB devices and firmly reconnect them
- Try a different USB port if available
- Check cables for visible damage
- Test the device on another computer if possible
- Check for physical mute switches if applicable
If the screen works on another computer, the issue is software-related. If it doesn't work anywhere, the screen may be faulty.
Platform-Specific Fixes
All
All has specific settings for screen access. Follow these detailed steps for All.
Open All settings and navigate to screen permissions. Enable access for your application and restart if needed.
- Verify settings are saved correctly
- Restart the application after changing settings
- Test the screen to confirm it works
- Check for All updates
Advanced Troubleshooting
If basic fixes don't work, try these advanced troubleshooting steps.
- Run system troubleshooter for screen issues
- Reset screen settings to defaults
- Check for system updates
- Reinstall screen drivers
- Test in safe mode if available
- Check system logs for error messages
If none of these steps work, the issue may be hardware-related. Test your screen on another computer to confirm. Contact the manufacturer if the device is under warranty.
Prevention Tips
Keep All updated. System updates often include driver updates that can fix screen issues.
Don't disable screen access in privacy settings unless necessary. All remembers your choice and may block access to new applications.
Close applications properly instead of just minimizing them. Background apps can hold screen access and prevent other applications from using it.
Regularly update drivers through system settings or Device Manager. Outdated drivers cause more problems after major system updates.
Frequently Asked Questions
Why is screen turns off randomly?
Monitor power or connection drops intermittently. This usually happens due to permission settings, driver issues, or conflicts with other applications. Start by checking system permissions and ensuring the correct device is selected.
How do I fix screen turns off randomly?
First, check All permissions and settings. Verify the correct screen is selected. Update drivers if needed. Use the screen test to verify the device is working correctly. Follow the step-by-step guide above for detailed instructions.
How do I test if my screen is working?
Use the online screen test to check if your device is detected and working. The test provides real-time feedback and helps identify any remaining issues.
What causes screen turns off randomly?
Common causes include privacy settings blocking access, outdated drivers, incorrect device selection, or another application using the screen. Check permissions first, then verify device selection and update drivers.
Can I fix screen turns off randomly without technical knowledge?
Yes. Most screen issues can be fixed by checking permissions in All settings and ensuring the correct device is selected. Follow the step-by-step guide above for detailed instructions.
Use the online screen test to confirm everything is working.