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The Network file will download to your desktop.Ĥ.After the Network driver file, Download Complete window appears, click Close. Toggle Bluetooth on and off and it will start working as expected.Dell Inspiron M531R 5535 Laptop Network Driver for windows 7 8 8.1 10ĭriver Installation (via Win Zip) with Network driver.exe File for Dell Inspiron M531R 5535 Laptop Network Driver.EXE Dell Inspiron M531R 5535 Laptop Network Driver Downloadġ.Click Network driver Download from below link to download the Network driver setup file.Ģ.When the Network File Download window opens, click Save the driver file to disk and click OK.ģ.From the file Save In: field, click the down arrow then click to Now turn on the Bluetooth and in Bluetooth settings add a new device.After copying the drivers : sudo modprobe -r btusb.Go to the download folder where you downloaded drivers and in terminal issue the command below : sudo cp ~/Downloads/BCM43142A0-0a5c-21d7.hcd /lib/firmware/brcm/BCM43142A0-0a5c-21d7.hcd.Download the drivers from here – Download Broadcom 0a5c:21d7 Bluetooth Drivers for Ubuntu.Steps to make Ubuntu recognize your Bluetooth device: Tested on kernel version: 5.4.0-21-generic (to get the version of current kernel uname -r in terminal.)

BCM43142 Bluetooth 4.0 (to get the name of Bluetooth hardware run lsusb in terminal.) We assume your Bluetooth device was not recognized by Ubuntu 20.04 :īluetooth hardware- 0a5c:21d7 Broadcom Corp. This tutorial will help you to connect Bluetooth on Dell-insperion-3521, This tutorial will work for all Bluetooth devices with model no.