I just set up a new rig (specs below) and everything was going great. I added a second monitor and suddendly PS CS6 starts crashing randomly. I think I discovered that PS will not support a dual monitor config if each monitor is on a different video card. If someone can guide me to a way to make it work, I'd appreciate it. If not, consider this documented issue.
My main monitor (30" dell) is powered by an ATI Raedeon HD 4850. My secondary monitor (HP Elite L2201x) is powered by the onboard Intel HD Graphics 4000 because the display only uses Display Port. Both are supported cards and PS runs fine with either one used independently with or without GPU support.
When I have BOTH connected the Graphics Processor Settings box is greyed out and when I mouseover that section the description box below says "Graphics hardware acceleration is unavailable. You will need to upgrade your video driver and possibly your video card" and the programs crashes randomly. The same behavior occurs regardless of on which monitor PS is being displayed.
I have attempted to tweak BIOS settings to establish a harware priority so PS would only see one card but to no avail. As this issue prevents me from using my second monitor entirely (I use PS daily), I'd really like to get it resolved. Any help is greatly appreciated.
Motherboard: GIGABYTE GA-Z77X-UD3H
Processor: Intel Core i7-3770K CPU
Boot Drive: OCZ 128GB SSD
OS: Win7 64
Video card details: Current drivers on both
Primary: ATI Radeon HD 4850
Secondary: Intel HD Graphics 4000 (HD4000)
Photoshop, Internet Explorer, and a number of other GPU-aware applications do not like working on systems with multiple video interfaces made by different vendors. The display drivers just don't work together, and there's no light at the end of the tunnel - the GPU makers have no incentive to make their stuff work with the stuff of the other vendors.
Do yourself a favor and get a modern single video card that will support all your monitors - e.g., ATI Radeon 7750 or 7850.
I see that the HP is DisplayPort only.
The 7750 will do the job.
One suggestion I have for the 7750 is to set the choice of ports from Auto to Manual for DisplayPort. I have seen mine to revert to default resolution while using the Auto feature.
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