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Macbook Air 11 with Intel 5000 graphics & MAC OS X Yosemite 10.10.3 does not support 4k x 2k graphics on Dell P2815Q display





The Macbook Air 11-inch laptop with Intel 5000 graphics and MAC OS X Yosemite 10.10.3 does not support 4k x 2k graphics on Dell P2815Q display.


P2815Q blank screen connected to Macbook Air 11.

Macbook Air 11 systems with Intel 5000 graphics may experience several display issues when connected to Dell P2815Q displays. The following issues have been reported:

  • The most common issue is a blank screen
  • The latency issue is constant
  • Black borders around windows
  • Screen flickering
  • Losing video issues after 1 hour of use
  • Blanking video
  • Distorted video

No Fault with P2815Q display.

The P2815Q has a 4k x 2k optimal resolution of 3840 x 2160 on DP/mDP or High Definition Multimedia Interface (HDMI) cable connection while the Macbook Air 11 has a max external resolution of 2560 x 1600 using MAC OS X Yosemite 10.10.3 .

The cause of the display issues above is an inability of the Macbook Air 11 to fully support the display capabilities of the displays. The P2815Q displays were tested using systems that fully support the P2815Q display capabilities and no issues were noted when connected to systems with 4k x 2k display support.

Troubleshooting Notes:

  • Disable the DisplayPort 1.2 (DP1.2) setting in the monitor On Screen Display (OSD). With DP1.2 enabled it can result in compatibility issues due to the Multi-Stream Transport (MST) hubs being engaged.
  • Single external DisplayPort connected displays should have DP1.2 disabled.
  • Notebooks with HDMI 1.4 can support 4k resolution at 30Hz.
  • Notebooks with HDMI 2.0 can support 4K resolutions at 60 Hz.
  • Previous versions of HDMI do not support 4K resolutions.


Identificación del artículo: SLN297854

Última fecha de modificación: 06/15/2018 11:12 AM


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