Insert the USB into the head unit. Most units will automatically detect the files and prompt an "Upgrade System" window.
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Search query (copy-paste) "alpsmpo1mp5 update free firmware download" Insert the USB into the head unit
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | Windows caches the old version | Use the “Have Disk” method to force the new .inf file. | | Touchpad stops moving cursor | Windows Update overwrote the I2C bus driver | Roll back the last Windows update, then reinstall ALPS driver in Safe Mode. | | Gesture settings missing | The ALPS customization panel failed to install | Download the separate “ALPS Pointing Device Configuration” app from your OEM. | | Device shows Code 52 | Windows cannot verify the digital signature | Disable driver signature enforcement temporarily (only for old hardware). | | | Device shows Code 52 | Windows