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Can my NVS510 display card support four Dell's 27" U2715H?
I connected four U2715H to by Lenovo PC with NVS510 display card using the mini DP to DP cable (NVS510 had 4 mini DV out). But the monitors sometime works and sometime didn't. It show no signal, enter power saving mode or flashing. All 4 monitor had same issue ramdomly. But sometime all four monitor works well, but after a period of time or restart my PC, the issues happen again.
Do I need to switch to a better display card? Which display card can support four U2715H? I check that the NVS510 should able to support four 2560x1440 resolution monitor. But looks like the monitor didn't able to detect teh signal from the NVS510 display card.
DELL-Chris M
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August 17th, 2015 12:00
Apologies for not seeing your post until now. I cannot speak to the Lenovo Quadro NVS 510 but the Dell Quadro NVS 510 came out in late 2012. It supported four monitors up to 3840x2160. So four U2715H at 2560x1440 should not be an issue. This sounds like a video card driver issue to me. Have you installed the latest Quadro NVS 510 driver directly from Nvidia? Have you checked the power management options for PCI express to keep it awake?