: If the dedicated hardware key doesn't open the app, ensure the Acer Quick Access Acer Configuration Manager applications are also updated from the same support page. Service Not Starting : Open the Windows "Services" app (search for services.msc ) and ensure the Predator Service is set to "Automatic" and is currently running. graphics drivers for this specific model as well?
Acer Predator Sense utility is the essential control hub for the Predator Helios 300 PH315-51
If the standard setup.exe fails, unzip the download, go to the PredatorSenseUWP folder, and manually run the .appxbundle file.
