Bt52 Mouse Driver May 2026

Before hunting for third-party files, let Windows fix itself.

Step-by-step:

  • If Windows finds nothing, go to Windows Update → View optional updates → Driver updates. Sometimes the BT52 driver is listed under "Other devices."

    • Success rate: ~60%. This works if Windows Update has a cached INF file for the generic HID component. bt52 mouse driver

    ; Enable PS/2 mouse port
mov al, 0xA8
out 0x64, al

    ; Set IRQ12
mov al, 0x20
out 0x21, al   ; unmask IRQ12

    Then send commands:

    The most probable match is the Bondwell BT-52, which was a serial mouse sold primarily in the early 1990s. Bondwell was a lesser-known OEM manufacturer (they also made laptops like the B310). Before hunting for third-party files, let Windows fix itself

    Why this driver is "interesting":