Q: iPhone 5 not recognized by Windows 10

If iTunes doesn't recognize your iPhone, iPad, or iPod - Apple Support

Bonjour Monsieur. Essayez les étapes de cet article pour voir si elles vous aider.

http://www.technipages.com/itunes-fix-iphone-or-ipod-not-detected-in-windows

There may be a simple reason for this which would be a good thing to check first before moving on to troubleshooting the manner of your PC not seeing your iPhone.

First, take a photo of anything using your iPhone. After you have done so, plug your phone into the computer and see if the phone is not visible to view photos then. [If your phone was already plugged in when you took the photo, unplug it from the computer and plug it back in.]

Importation impossible, sur votre ordinateur, de photos provenant de votre iPhone, iPad ou iPod touch - Assistance Apple

If you still see nothing continue on with previously given instructions for troubleshooting the detection of your iPhone in Windows.

Did you try the steps here:

http://www.technipages.com/itunes-fix-iphone-or-ipod-not-detected-in-windows

I am sure you may have tried this, but through helping numerous people through this issue I have found that the following article is the best means to resolve this issue.

Remove and reinstall iTunes and related software components for Windows 7 and later - Apple Support

Specifically, all steps must be completed in their exact order. Steps 5-13 are also essential in making sure you run into no further issues of having the appropriate drivers installed. Remember to delete all previous copies of the iTunes Installer file from your computer and to download a fresh copy of iTunes through http://www.apple.com/itunes/download/

I am not at my Windows computer. Out of the top of my head, connect your phone to the computer,  try going to Control Panel > Device Manager > USB Devices ?? don't recall the exact name but it is towards the bottom of Device Manager > and locate the iPhone. Try deleting the driver. Reboot the computer and test again. If not I would try deleting iTunes by following the exact steps here. All has be deleted first before reinstalling.

Remove and reinstall iTunes and related software components for Windows 7 and later - Apple Support

I found, I had to use import photos in windows photo, (turn on and unlock phone).