recently buy Dell u2412m is work fine with DVI and DP to DVI Adopter, but when i connect only DP(displayport ) to DP cable is not display anything and goes to power sleep mode. When i connect monitor through DVI it show about DP
"display port link failure" and this block say about resolution problem and might be cable problem.
"if some one know or have same issue before so pls share with me"
Intel core 2 QX 9650 CPU
Intel DP45SG mb
ATI Fire Pro V4800 GPU