problems of hardware drivers

I put on day of windows 7 Home premium to windows pro 8.1. Before any update to windows 8.1, I realized I had a bluetooth adapter that is disabled in my region of network adapter. After updating, I needed my blue tooth adapter but I couldn't find it anywhere, however, I found 3 pilots who were 2 and 1 that was unknown base system drivers. Stupidly, I uninstalled thought that they then reappearing on the update of windows. My system is a 4540 s HP's Probook

I think one or both was VEN_197B & DEV_2393 & SUBSYS 17F (something)

This effect usually greatly if I can't get my blue tooth works me, but it would help a lot.

Hello:

See if the driver and the software for W8.1 directly from Intel works for you...

The first file is for W8.1 32 bit and the second is for W8.1 64-bit

https://Downloadcenter.Intel.com/Detail_Desc.aspx?AGR=Y&DwnldID=23761&lang=eng&OSVersion=Windows%208.1%2c%2064-bit * & DownloadType = software % 20Applications

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