If your laptop isn't waking from sleep mode, here are some steps to troubleshoot and resolve the issue:
1. Check Power Settings:
Go to Control Panel > System and Security > Power Options.
Ensure that the sleep mode is enabled and properly configured.
Click on Change plan settings next to your active power plan and make sure the sleep settings are correct.\
2. Allow Keyboard and Mouse to Wake Up:
Press Windows key + R, type devmgmt.msc, and press Enter.
Expand Keyboards and Mice and other pointing devices.
Right-click on each device, select Properties, go to the Power Management tab, and check Allow this device to wake the computer.
3. Disable Fast Startup:
Go to Control Panel > System and Security > Power Options.
Click on Choose what the power buttons do.
Click on Change settings that are currently unavailable.
Uncheck Turn on fast startup and click Save changes.
4. Update Drivers and BIOS:
Ensure that all your drivers and BIOS are up-to-date.
Visit the manufacturer's website to download and install the latest updates.
5. Run Hardware Troubleshooter:
Go to Settings > Update & Security > Troubleshoot.
Select Hardware and Devices and run the troubleshooter.
6. Check for Software Interference:
Use the command powercfg -requests in Command Prompt (run as administrator) to see if any applications are preventing sleep mode.
If you find any, consider uninstalling or adjusting the settings of those applications.
7. Perform a Clean Boot:
Perform a clean boot to start Windows with a minimal set of drivers and startup programs.
This can help identify if any third-party software is causing the issue.
By following these steps, you should be able to identify and resolve most issues with your laptop not waking from sleep mode.