Ledenko

Changing the link speed to gen1 was indeed the solution Also, posting from a phone was a bad idea.

Hello everyone, I got a PE4H and I'm having issues making a Radeon 4850 work with a Lenovo T420. For the record, I tested it with a Nvidia GTX660 and it worked brilliantly, but that's my desktop card. The laptop is running some sort of bootguard so I have somewhat limited options (I believe setup 1.x wouldn't work), but after downgrading my BIOS to 1.15 I managed to get the Radeon to detect. The laptop has an integrated Intel HD3000 and has 4gb of ram, hence why I downgraded the BIOS. The Radeon apparently has driver issues, the laptop's screen is either turned off with no external LCD detected or I get ULTRA sluggish performance, takes 10-20 seconds just to see the mouse move. Is there some sort of driver I could use for this setup?