[Anwsered] Bluetooth peripherals no longer waking computer from sleep after Windows 8.1 upgrade

Bluetooth peripherals no longer waking computer from sleep after Windows 8.1 upgrade

I have a late 2012 iMac that was working mostly fine running Windows 8, but I wanted to do the free upgrade to 8.1 now that Apple has released drivers for it.
First, I updated OS X (just to be safe) and then I downloaded and installed the new Boot Camp
software/drivers for my computer directly from Apple.
Then I booted into Windows 8, went into the app store, and upgraded to Windows 8.1.
After the upgrade was done, my installation was mostly the same (it had to reload Office 2013 and it lost some of my folder
view settings, but mostly everything seems okay).

However, after the upgrade, I am no longer able to wake the computer from sleep by clicking on the keyboard or trackpad as I was able to do before.
They are the default Apple Bluetooth keyboard and trackpad.
Windows is the only OS I use on the computer and
I always put it to sleep, so this is a major hassle for me.
I've gone into Device Manager and both devices are set to wake the computer from sleep, but that's obviously having no effect.

Can anyone help me with this? Thanks

Solutions to the Problem Bluetooth peripherals no longer waking computer from sleep after Windows 8.1 upgrade

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