Black screen epic games launcher

Hi every body, I have the same problem…
the driver reinstalled, the launcher reinstalled, in the screenshots the launcher with both the integrated video card and the discrete one. nothing helps, dxdiag report attached.

      Processor: Intel(R) Core(TM) i5-6300HQ CPU @ 2.30GHz (4 CPUs), ~2.3GHz
         Memory: 8192MB RAM

Available OS Memory: 8078MB RAM
Page File: 3195MB used, 20883MB available
DirectX Version: DirectX 11

Display Devices
Card name: Intel(R) HD Graphics 530
Device Type: Full Device
Display Memory: 3968 MB
Dedicated Memory: 128 MB
Shared Memory: 3840 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: unknown
Monitor Id: CMN15D2
Native Mode: 1920 x 1080(p) (60.008Hz)
Output Type: Internal
Driver Name: igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
Driver File Version: 21.20.0016.4565 (English)
Driver Version:
DDI Version: 11.1
Feature Levels: 11.1,11.0,10.1,10.0,9.3,9.2,9.1
Driver Model: WDDM 1.3
Graphics Preemption: Triangle
Compute Preemption: Thread
Miracast: Supported
Hybrid Graphics GPU: Integrated
Power P-states: Not Supported
Driver Attributes: Final Retail
Driver Date/Size: 12/14/2016 22:06:38, 93406304 bytes
WHQL Logo’d: Yes
WHQL Date Stamp:
Device Identifier: {D7B78E66-5A5B-11CF-0766-4A31BDC2D835}
Vendor ID: 0x8086
Device ID: 0x191B

      Card name: NVIDIA GeForce GTX 950M

       DAC type: Integrated RAMDAC
     Device Key: Enum\PCI\VEN_10DE&DEV_139A&SUBSYS_115A1462&REV_A2
 Display Memory: 6009 MB

Dedicated Memory: 1970 MB
Shared Memory: 4039 MB
Current Mode: n/a
Driver Name: nvd3dumx,nvwgf2umx,nvwgf2umx,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 25.21.0014.1917 (English)
Driver Version:
DDI Version: 11
Feature Levels: 11.0,10.1,10.0,9.3,9.2,9.1
Driver Model: WDDM 1.3


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