I have an older computer with poor Bluetooth. I have purchased a USB connected Bluetooth with antenna. How do I turn off the old “built-in” Bluetooth, so the new USB connected Bluetooth is used?
Thanks for your help.
Anders
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Typically, you could do this in your BIOS/UEFI.
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According to this, found in Stack exchange…
You can create a udev rule to disable the internal Bluetooth.
First find the idVendor and idProduct for the USB device you wish to disable by running lsusb and locating the right line. Eg, on my system this is the matching line for the adapter I wanted to disable:
Bus 004 Device 006: ID 0b05:179c ASUSTek Computer, Inc. Bluetooth Adapter
So then put the following into /etc/udev/rules.d/81-bluetooth-hci.rules, note the 0b05 and 179c values from above:
SUBSYSTEM=="usb", ATTRS{idVendor}=="0b05", ATTRS{idProduct}=="179c", ATTR{authorized}="0"
At this point you can just reboot and your device should no longer show up in the output of hciconfig -a, and any other bluetooth device you plug in (assuming it's not of the same vendor+productID!) will show up as hci0.
If you don't wish to reboot, you can try reinitialising the devices, by first unplugging any other bluetooth adaptors, then, as root run:
udevadm trigger
rmmod btusb
Now plug in your new bluetooth adaptor and enjoy your preserved uptime (or reboot anyway if it didn't work!).
https://unix.stackexchange.com/questions/314373/permanently-disable-built-in-bluetooth-and-use-usb
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At boot time enter your systems firmware configuration tool - commonly referred as BIOS.
The firmware may display a hint at boot time.
The method of access varies among vendors but common keypresses are
Esc F1F4F7F12
It could be a switch is located on either side of the laptop (rare but do exist) activated with a paperclip through a pinhole (like emergency ejecting a CD).
Thank you very much!
Anders
Thank you very much
for your swift anwser.
Anders
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