Separate names with a comma.
For you to be able to connect to other devices wirelessly or via Bluetooth you must use the USB port for the unifying receiver on your SP4.
Try the USB receiver in the SP4....see if it makes a difference.
Are you using a USB unifying receiver ?
Open Action Centre bottom right on Taskbar, click on Connect, is your mouse listed?....if not you need to set it up in Devices.
Type "disk cleanup" in Search...lower down on panel that appears, click on "clean up system files"....scroll down ticking all those you wish to...
Can you in Safe Mode type in Search msconfig?
If yes under Boot tab untick Safe Boot, then under General tab Normal Startup.
Type reliability history in search....this should give you something a little bit easier to understand.
Anything you don't understand Google it.
After my earlier botched Update attempt see my earlier post, have just spent (wasted) another 2 1/2 hrs doing an installation on my Surface Pro 4...
Took 2 1/2 hrs to install on an SP4 Pro i7 using Update, riddled with faults, failing scannow and dism commands. Overloaded servers perhaps?
Purchased 15 months ago here in the UK an SP4 Pro complete with keyboard plus pen.
A month ago the pen ceased to function, the obvious choice...
They must have accepted the M$ privacy terms which are included in the KB 4013214.
Type winver in search box to confirm what version is installed.
Until M$ install KB 4013214 on updating, this covers privacy acceptance, it will not be possible to install 1703, even with a 1703 recovery image....
Download a recovery image for Microsoft Surface
In Settings type ID
Open Device Manager, right click on failed update items, there you can check Properties, and if necessary update drivers.
This certainly messed up. could not open Edge, yet IE and Google worked.
Restarted computer and new firmware installed itself before I could sign...
I can assure you many of the SP4 issues have absolutely nothing to do with the users knowledge or lack thereof. IF you got an SP4 with no issues...
Please can you do the following and post back the result.
In Cortana box type tpm.msc
On opening module, in centre under Status.....what does it say?