Have obtained a second HP Probook for my wife. Installed Mint 18.1 Serena as previously on to a clean hard disk. All went well with the exception of wifi connection. Looks like a missing driver.
Can anyone help please.

Probook 455-G2

Some wireless manufacturers provide better Linux support that others, but we can probably get it working.

What wireless chipset is in that box? (You can find out by running the command lspci in a terminal; you may have to do so as root.)

Hi...

To expand on frankbell's suggestion, please open a terminal and post the results of this command...

This will give us information concerning your adapter.

Regards...

Hi, many thanks for your quick responses, being an old hardware man (very) I took the quick route and exchanged the wifi adapters with the working machine. (both are identical adapters) Result, no difference. (Realtek RTL8723BE)
The terminal results were; Family 15h models 30h - 3fh and device 1424.

Driver manager reported; Do not use AMD64-microcode version 2.20160316.1 for CPUs. It would appear that an attempt was made to download an update from Ubuntu archives, which of course failed. Figured I might use the other machine to obtain this update code and transfer to a card if that is possible.

Regards to frankbell and ardvark71.

The lspci output which was requested will show the chipset details and driver in use. Vague descriptions won't cut it. If you need to get that info here without internet connectivity, the general approach is to copy/paste to a text file and transfer on a memory stick via an internet connected machine. It might be that your wireless device is soft-blocked. That can be checked using the 'rfkill' command if necessary. (I'm not a Mint user, and it may need to be installed first.)

I suspect your original wifi card will be as reported (for the same model) in this thread.

A better form of filtering for network devices is to filter by class 02 like this...

The terminal readout was a full page of blurb, most of which was irrelevant, and no direct mention of chipsets. For a first time user it is somewhat overwhelming.
My adapter switch test surely eliminates the card itself, both being exactly the same and producing the same results on both machines.

The only 'error message' shown so far is regarding the AMD processor firmware located on the Ubuntu archive website as mentioned.

The code ending 'A3' was rejected.

Even if it doesn't mean much to you, it can be definitive and helpful to those trying to assist. (Commands and output are generally better that verbal descriptions.) I'm not sure why the grep option was rejected. It's a valid option to Print a given number lines of trailing context after matching lines. Did you type the command as in the code box? In any case you could just run 'lspci -nnk' without grep filtering and just post the output block pertaining to your wireless device only.

Not necessarily. Some BIOS prevent switching of cards not on an in-built whitelist, so I'd be careful about doing that. We need to determine if the wireless hardware is disabled soft/hard blocked as well.

Hi...

Not to sound rude but please let us determine what's useful or not. Copy and and paste the command I gave above into a terminal and post the entire results in your next reply. In addition, please also include the results of...

Regards...

Problem was solved by fitting the new Penguin wifi adapter. worked straight out of the box as claimed on my wifes HP Probook.
The slight difference in age of our two identical laptops accounts for the problem, being the collusion between Microsoft and the leading manufacturers to favour Windows only.

Very pleased to be free of it, though it did cost £40 by the time it reached me.

Hi...

Glad you were able to find a solution. If you would, please mark this thread as "SOLVED" by clicking on "Thread Tools" directly above your initial post. Thanks!

Regards...