PC Screen Won’t Turn On After Sleep Mode [SOLVED]

Awakening from a peaceful slumber, only to find your PC screen refusing to cooperate can be quite the rude awakening. Fear not, for we have uncovered the solution to this nocturnal conundrum. In this article, we delve into the perplexing issue of a PC screen that won’t turn on after sleep mode, providing you with the ultimate remedy. So bid farewell to your screen’s stubborn slumber and say hello to a hassle-free awakening!

Disable Fast Startup, Hibernation, and Hybrid Mode

To resolve the issue of your PC screen not turning on after sleep mode, you can try disabling Fast Startup, Hibernation, and Hybrid Mode. Here’s how:

1. Disable Fast Startup:
– Press the Windows key + X and select “Power Options.”
– Click on “Choose what the power buttons do” from the left menu.
– Click on “Change settings that are currently unavailable.”
– Scroll down to the “Shutdown settings” section.
– Uncheck the box next to “Turn on fast startup (recommended).”
– Click on “Save changes.”

2. Disable Hibernation:
– Press the Windows key + X and select “Command Prompt (Admin).”
– Type “powercfg -h off” and press Enter.
– Close the Command Prompt.

3. Disable Hybrid Mode:
– Press the Windows key + X and select “Power Options.”
– Click on “Choose what the power buttons do” from the left menu.
– Click on “Change settings that are currently unavailable.”
– Scroll down to the “Shutdown settings” section.
– Uncheck the box next to “Turn on fast startup (recommended).”
– Click on “Save changes.”

These steps should help fix the issue of your PC screen not turning on after sleep mode. If the problem persists, consider checking for updated device drivers or consulting Microsoft’s troubleshooting guides for further assistance.

Disable App Readiness

To disable App Readiness and resolve the issue of your PC screen not turning on after sleep mode, follow these steps:

1. Press the Windows key + R to open the Run dialog box.
2. Type “regedit” and press Enter to open the Windows Registry Editor.
3. In the left pane, navigate to the following location: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesAppReadiness
4. Right-click on the “Start” DWORD value in the right pane and select “Modify“.
5. Change the value data to “4” and click “OK” to save the changes.
6. Close the Registry Editor.
7. Restart your computer for the changes to take effect.

After following these steps, your PC screen should turn on properly after sleep mode. If the issue persists, try troubleshooting other potential causes, such as updating device drivers or adjusting sleep settings.

Change Registry Keys (Advanced users)

If your PC screen won’t turn on after sleep mode, you can try changing some registry keys to resolve the issue. Please note that modifying the registry should only be done by advanced users who are familiar with the process.

1. Press the Windows key + R to open the Run dialog box.
2. Type regedit and press Enter to open the Windows Registry Editor.
3. Navigate to the following location: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlPower.
4. Look for the CsEnabled key on the right-hand side. If it’s set to 1, double-click on it and change the value to 0.
5. Close the Registry Editor and restart your computer.

This change disables Connected Standby, which could be causing the screen not to turn on after sleep mode. After restarting, check if the issue is resolved.

Update BIOS

If your PC screen remains black after waking up from sleep mode, updating your BIOS can help resolve this problem. Here’s how you can do it:

1. Open your web browser and visit the website of your computer manufacturer.
2. Search for the latest BIOS update available for your specific model.
3. Download the BIOS update file to your computer.
4. Locate the downloaded file and double-click on it to start the installation process.
5. Follow the on-screen instructions provided by the BIOS update utility.
6. Once the update is complete, restart your computer.
7. After the restart, check if the issue with the black screen after sleep mode has been resolved.

Updating your BIOS can fix compatibility issues and improve system stability. If you’re unsure about performing this update, it’s recommended to seek assistance from your computer manufacturer or a qualified technician.

Update the Graphics Card Driver

To update the graphics card driver on your PC and solve the issue of the screen not turning on after sleep mode, follow these steps:

1. Press the Windows key + X to open the Quick Access menu.
2. Select “Device Manager” from the list.
3. In the Device Manager window, expand the “Display adapters” category.
4. Right-click on your graphics card driver and select “Update driver.”
5. Choose the option to search automatically for updated driver software.
6. Windows will search for the latest driver online and install it if available.
7. Once the update is complete, restart your computer.

If updating the driver doesn’t solve the problem, try these additional steps:

1. Press the Windows key + X and select “Device Manager.”
2. Expand the “Display adapters” category.
3. Right-click on your graphics card driver and select “Uninstall device.”
4. Restart your computer.
5. After the restart, Windows will automatically reinstall the graphics card driver.
6. Check if the screen turns on after sleep mode now.

If the issue persists, you may need to contact the manufacturer’s support or seek professional assistance.

Uninstall Problematic Softwares

To uninstall problematic software that may be causing your PC screen to not turn on after sleep mode, follow these steps:

1. Press the Windows key on your keyboard to open the Start menu.
2. Type “Control Panel” and select it from the search results.
3. In the Control Panel window, click on “Uninstall a program” or “Programs and Features”.
4. Locate the software that you suspect is causing the issue and click on it.
5. Click on the “Uninstall” or “Remove” button, which should be located at the top of the window or in the toolbar.
6. Follow the on-screen prompts to complete the uninstallation process.
7. Restart your computer to ensure that the software is fully removed.

If you’re unsure which software is causing the problem, consider uninstalling recently installed programs or ones that you suspect may be incompatible with your operating system.

Remember to also check for any malware or viruses that could be affecting your system. Run a full scan using your preferred antivirus software to identify and remove any threats.

After uninstalling the problematic software and addressing any malware issues, try putting your computer into sleep mode again to see if the screen turns on properly upon waking up.

Disable Onboard Graphics

To disable onboard graphics on your PC after it won’t turn on from sleep mode, follow these steps:

1. Press the Windows key on your keyboard to open the Start menu.
2. Type “Device Manager” in the Windows Search bar and select the matching result.
3. In the Device Manager window, expand the “Display adapters” category.
4. Right-click on your onboard graphics card and select “Disable device” from the context menu.
5. A warning message will appear, confirming the action. Click “Yes” to proceed.
6. Restart your computer for the changes to take effect.

Note: If you encounter any issues or want to re-enable onboard graphics, simply follow the same steps and select “Enable device” instead of “Disable device.”

By disabling the onboard graphics, you can troubleshoot and resolve the issue of your PC screen not turning on after sleep mode.

Disable Sleep Mode

To disable Sleep Mode on your PC and solve the issue of the screen not turning on after sleep mode, follow these steps:

1. Click on the Windows Start button in the bottom-left corner of your screen.
2. Type “Power & Sleep Settings” in the Windows Search bar and select it from the results.
3. In the Power & Sleep Settings window, click on the dropdown menu under “When plugged in, PC goes to sleep after” and select “Never”.
4. Next, click on the dropdown menu under “When plugged in, turn off after” and select “Never” as well.
5. If you want to disable sleep mode when your PC is running on battery power, repeat steps 3 and 4 under the “On battery power, PC goes to sleep after” and “On battery power, turn off after” sections.
6. Once you have made these changes, close the Power & Sleep Settings window.

Your PC will no longer go into Sleep Mode, and the screen should turn on properly after being idle.

Allow your keyboard and mouse to wake up your PC

If your PC screen won’t turn on after sleep mode, you can try allowing your keyboard and mouse to wake up your computer. Here’s how:

1. Open the Start menu and click on the “Settings” icon.
2. In the Settings window, click on “System”.
3. Select “Power & sleep” from the left-hand menu.
4. Scroll down to the “Related settings” section and click on “Additional power settings”.
5. In the Power Options window, click on “Change plan settings” next to your selected power plan.
6. Now click on “Change advanced power settings”.
7. In the Advanced settings tab, expand the “USB settings” option.
8. Expand the “USB selective suspend setting” option.
9. Make sure both the “On battery” and “Plugged in” options are set to “Disabled”.
10. Click “Apply” and then “OK” to save the changes.

Tweak power settings

• Adjust power settings: Modify the power settings on your PC to ensure that it doesn’t enter sleep mode too quickly or that it stays active when waking up.
• Prevent automatic sleep: Disable the automatic sleep feature to prevent your PC from going into sleep mode without your input.
• Update display drivers: Ensure that your display drivers are up to date as outdated drivers can cause issues with the screen turning on after sleep mode.
• Disable hybrid sleep: Disable the hybrid sleep option in your power settings to troubleshoot the issue of the screen not turning on after sleep mode.
  
• Adjust screen timeout settings: Increase the screen timeout duration in your power settings to allow more time for the screen to turn on after sleep mode.
• Reset power plan: Resetting the power plan settings to default can help resolve any conflicts or misconfigurations causing the screen not to turn on after sleep mode.
  
• Check hardware connections: Ensure that all hardware connections, including cables and power cords, are securely connected to your PC and monitor.
• Scan for malware: Perform a thorough scan of your PC for malware or viruses as they can sometimes interfere with the screen turning on after sleep mode.
• Perform a system update: Check for any available system updates and install them as they may include fixes for issues related to sleep mode and screen activation.
• Seek professional assistance: If the problem persists, consider seeking professional help from a technician or contacting Microsoft support for further guidance.