Installation is quick. No hidden bloatware, no toolbar offers, and no mandatory reboot. The bad: The installer UI looks like it was designed for Windows XP. It’s functional but dated. More concerningly, during installation, Windows Defender flagged the driver as “Unverified publisher.” A quick VirusTotal scan showed it clean, but Apacer really needs to get an EV code-signing certificate. The average user will be rightfully nervous.
: Once selected, the OS will automatically assign a generic HID driver to the device. Support Resources Apacer M631 Bluetooth Laser Mouse Driver
The M631 features two hidden side buttons (default: Forward/Back). Using the driver: Installation is quick
Before addressing the driver, it is important to understand why this specific model requires attention. The Apacer M631 is not a generic optical mouse. It utilizes , which is significantly more sensitive than standard LED optics. Laser sensors work on a wider variety of surfaces (including glass and glossy desks) and offer higher DPI (dots per inch) settings. It’s functional but dated
: To initiate pairing, power on the mouse and look for a dedicated pairing button on the bottom, or press and hold the DPI button
The device stands out for its dual-mode connectivity. It can connect via a 2.4GHz wireless USB dongle or via Bluetooth. This flexibility makes it a favorite among laptop users who may have limited USB ports or who switch frequently between devices. The "Laser" in its name signifies the tracking technology used. Unlike standard optical mice that use an LED light, laser mice use a laser diode. This allows for higher sensitivity (DPI) and the ability to track on glossy or transparent surfaces that would confuse an optical sensor.