Okay, I managed to find a workaround for this problem. ewiget provided a nice post in the BT5 Fixes section here on how to fix the 'white screen of death' problem which describes the garbled video...

Ok, I just finished downloading the KDE 64-bit distribution and verified that the md5 checksum is correct. I burned it onto a dvd and still get the same video garbling issue on the laptop.

If...

I'm running into the same problem too but with the Gnome 32-bit distribution. This is on a Lenovo laptop B575 model AMD E-series dual core 1.6ghz with integrated ATI graphics. I've also tested this...