My first AMD/Gigabyte Fury did this same thing, I had to return it for another... I figured the first gpu was doa, the second gpu worked fine in the same system so I took it as a bad gpu.. With the bad gpu I always got the black screen at the windows logon screen, basically when there was no load on the gpu..
Did you uninstall all the old drivers before installing the amd gpu, uninstall all the old drivers. also look in control panel add remove programs and see if there is an AMD install manager and remove it, also use CCC or DDU to wipe all old gpu drivers off the system, then reboot... then install the most current drivers for your gpu..
Do you have or have access to another gpu you can put in the machine to test if it is in fact the gpu?
For Win8.1,,,go to Windows Update and bring your computer up-to-date. Pay special attention to the 'Optional' and 'Recommended' updates which include .netframeworks and C++ upgrades. This must be done before trying to install graphics drivers.
Download these AMD drivers to your desktop Win8.1 64bit > Mobile
Your laptop is equipped with switchable graphics. In order to update the AMD driver, the Intel graphics should be the current version. Go to this Intel link and use the Intel Driver Update Utility to find the latest graphics driver for your laptop. Download and save it to your desktop.
Now delete the Intel drivers from your computer using 'uninstall a program' in the computer control panel.
Uninstall the AMD drivers from your computer using the 'uninstall a program' in the computer control panel.
NOTICE IMPORTANT AMD DRIVER UNINSTALL:******
******Computers with Intel processors select 'express' uninstall all AMD software including the install manager.
******Computers with AMD processors custom uninstall the AMD graphics driver and Catalyst Control Panel only.
Note: All anti-malware/anti-virus/anti-anything should be disabled during driver installation.
Install the Intel drivers...reboot
Install the AMD drivers...reboot
You can also reset your TDR timing > Graphics driver stopped responding and has recovered....TDR fix
Thanks for the reply, so before doing any of this, should I first uninstall the current gpu drivers since I was able to successfully install the intel driver?
Just follow the steps....in the order listed.