Dual monitor freeze - color wheel - just before desktop ... 10.8.5 ....

[KS1771]

2 DVI monitors connected to DVI and HDMI (WITH ADAPTER) to onboard HD4600 ....
Processor is 4670 ...
Board is the Z87D3HP and another one with H87 D3H .. OS os 10.8.5 Supp Update ....
System boot stalls showing colour wheel just before desktop appears .... Help ....
URGENT .....

 

[fantasiom]

I'm having the same exact problem. did you find a solutions for this? It boots and then gets stuck right before the desktop on gray screen with color wheel. HDMI works fine by itself, DVI works fine by itself, but together is a no go.