Before downloading external files, Windows 10 and 11 usually hold generic Bluetooth Human Interface Device (HID) drivers that work with the VGP-BMS33.
After pairing (but before Windows auto-installs a generic driver), run the installer. It should replace the generic HID driver with the Sony-specific one. Sony Vaio Bluetooth Laser Mouse Vgp-bms33 Driver
If you see a yellow exclamation mark in Device Manager under Universal Serial Bus controllers or Bluetooth devices: Right-click the faulty device in . Select Uninstall device . Turn off your Bluetooth mouse. Restart your computer. Turn the mouse back on and try pairing fresh. Missing Bluetooth Settings Before downloading external files, Windows 10 and 11
Move 2.4GHz Wi-Fi routers or wireless USB dongles away from your PC. If you see a yellow exclamation mark in
If the mouse moves but the scroll wheel fails to respond, Windows has assigned a generic point-and-click profile instead of a wheel-mouse profile. In Device Manager, expand .
Sony VAIO VGP-BMS33 is a legacy Bluetooth laser mouse originally designed for Windows XP, Vista, and 7. While it is a reliable, stylish accessory, its age means that modern drivers are generally not required