To reinstall the Bluetooth driver, go to your Downloads folder, or find where the download saved, and open the R140135.exe file. Open the C:\dell\drivers\R140135\3100_216 folder, and click Setup.exe.

I updated my Dell Latitude D620's Bluetooth driver and of course it completely replaced the standard Microsoft software with its own.I managed to get my bluetooth mouse working, and I can setup my ...

Follow the on-screen instructions to install the Bluetooth drivers to the computer. Restart the Latitude following setup to begin using Bluetooth on the E5400.