The BCM92035DGROM (Broadcom BCM2035 chip) is an older Bluetooth 1.1/1.2 adapter commonly found in legacy laptops or as a USB dongle. Official support for this hardware ended long ago, making modern Windows 10 drivers difficult to find through official channels. Driver Specifications Manufacturer: Broadcom. Hardware ID: USB\VID_0A5C&PID_2021.
Let’s be realistic: the BCM92035DGROM was released in 2006-2008. Its firmware may not be fully compatible with Windows 10’s Bluetooth stack (Windows 10 uses a completely rewritten Bluetooth driver model). Bcm92035dgrom Driver Windows 10
Arthur slumped back in his chair, exhaling a breath he felt he’d been holding since the Clinton administration. The "BCM92035DGROM" was no longer a yellow warning triangle; it was a functioning bridge between the new world and the old. The BCM92035DGROM (Broadcom BCM2035 chip) is an older
Linux (Ubuntu, Mint) often has native support for BCM92035 via the btusb kernel module. If you dual-boot, your old adapter will work perfectly. Hardware ID : USB\VID_0A5C&PID_2021
The most interesting technical aspect of the BCM92035DGROM saga is how the community circumvented the lack of official support. It was discovered that the chipset shared its DNA with other, newer Broadcom devices that were supported.
If you see "This device cannot start," try running the built-in Bluetooth Troubleshooter