NVIDIA/AMD drivers often require the screen to flash. If it crashes, boot into Safe Mode (F8), run DriverPack, and select "Clean and Install" for the GPU driver only.
This is the "killer feature" for IT professionals. DriverPack Solution 15.4 does not require an internet connection to function (specifically the Full version). This is a lifesaver for scenarios where:
Version 15.4 ISO is roughly 16 GB. You need a 32 GB USB drive formatted as NTFS (FAT32 cannot handle files over 4GB). Use Rufus to create an NTFS bootable USB.