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: Open Device Manager , find the device under "Other Devices" (often listed as ACPI\HPQ0004 ), right-click it, and select Uninstall device . Clean Installation : Download the sp64144.exe file. Right-click the file and select Run as Administrator .
For the most reliable installation, especially if the standard installer fails, experts on the HP Support Forums recommend this "clean" method: Extract the File: Do not run the directly. Right-click sp64144.exe and use a tool like to extract it into its own folder. Open Device Manager: sp64144exe download link high quality
or checking if this is the correct version for your specific laptop model? : Open Device Manager , find the device
Find the "Unknown Device" (often listed under "Other devices"). Update Driver: Right-click the device → Update driver Browse my computer for drivers Target the Folder: For the most reliable installation, especially if the
Originally for Windows 8/8.1, but widely used to fix "Unknown Device" (ACPI\HPQ0004) issues on Windows 10. Installation Tips