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Article Number: 000132325

Dell U4919DW Monitor Cannot Reach Maximum Resolution with Intel Graphics Driver Version 7584

Summary: The following article contains information about the Dell U4919DW monitor not displaying the maximum resolution when connected to systems with Intel HD Graphics..

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Article Content

Symptoms

Cannot Display Maximum Resolution with Intel Graphics Driver Version 7584

The Dell U4919DW monitor cannot display the 5120x1440 at 60 Hz (5K) resolution when using Dell notebooks with Intel HD 620 or 630 graphics. Using an HDMI, USB Type-C, or DisplayPort (DP) connection displays at 3840x1080 60 Hz resolution in extended mode.

Impacted Platforms:

  • Latitude 5410
  • Latitude 5411
  • Latitude 5510
  • Latitude 5511
  • Latitude 7310 Clamshell
  • Latitude 7310 2-in-1
  • Latitude 7410 Clamshell
  • Latitude 7410 2-in-1
  • Latitude 7411 2-in-1
  • Dell Precision 3550
  • Dell Precision 3551
  • Dell Precision 7550
  • Dell Precision 7750

Cause

Intel removed the single port 5K resolution support feature from their graphics driver version 7584 and onward.

 

Maximum Display Resolution

Standard U-Processor Line H-Processor Line S-Processor Line Notes
Embedded Display Port* (eDP) 3840x2160 @ 60 Hz, 24 bpp
Or
4096x2304 @ 60 Hz, 24 bpp4		 4096x2304 @ 60 Hz,
24 bpp		 4096x2304 @ 60 Hz,
24 bpp		 1, 2, 3, 7
DP* 3840x2160 @ 60 Hz, 24 bpp
Or
4096x2304 @ 60 Hz, 24 bpp4		 4096x2304 @ 60 Hz,
24 bpp		 4096x2304 @ 60 Hz,
24 bpp		 1, 2, 3, 7
HDMI* 1.4
(native)		 4096x2160 @ 30 Hz, 24 bpp 4096x2160 @ 30 Hz,
24 bpp		 4096x2160 @ 30 Hz
24 bpp		 1, 2, 3
HDMI* 2.0/2.0a
(Via Active-Protocol
Converter (LSPCON))		 3840x2160 @ 60 Hz, 24 bpp
Or
4096x2160 @ 60 Hz, 24 bpp4		 4096x2160 @ 60 Hz,
24 bpp		 4096x2160 @ 60 Hz,
24 bpp		 1, 2, 3, 6

Notes:
  1. Maximum resolution is based on implementation of 4 lanes with High Bit Rate 2 (HBR2) link data rate.
  2. bpp - bit per pixel.
  3. S-Processor Line support up to 4 displays, but only three can be active simultaneously.
  4. The resolutions are assumed at max Voltage Common Collector (VCC).
  5. If connecting more than one active DisplayPort, the processor frequency may be lower than base frequency at thermally limited scenarios.
  6. HDMI* 2.0 is implemented using LSPCON device. Only one LSPCON with HDCP2.2 support is supported per platform.
  7. Display resolution of 5120x2880 @ 60 Hz can be supported with 5K panels displays which have two ports. (with the graphics driver accordingly)
 

Resolution

Solution

 
Note: Intel has added 5K support in the Graphics driver, version 7925 and newer.

The following steps can be used as a workaround in the Windows registry to force enable the 5K resolution.

  1. Download the "5K_Enable_Support_U4919DW.zip" file from the Dell Support site (Figure 1).
    SLN320950_en_US__2U4919DW_5K_Resolution_02
    Figure 1
     
  2. Unzip the file.
  3. Double-click the file.
  4. Click yes to add the registry item to the system.
  5. Restart the system.
 
Note: Inform the User that force enabling the 5K resolution causes another side effect issue, which is mention in the Dell U4919DW article (Common Troubleshooting Steps): Dell U4919DW Monitor Usage and Troubleshooting Guide.
Horizontal stripes when watching online videos using Microsoft Movies & TV app,
Microsoft Internet Explorer or Microsoft Edge		 Unwanted horizontal stripes appear on the video playback window when viewing online videos on YouTube using Microsoft Internet Explorer,
Microsoft Edge browser or watching online videos using the Movies & TV app.		  
  • Change the monitor resolution to 4k 3840 x 1080 or lower.
  • For YouTube videos, change the playback resolution to 720p or lower.

Disabling the hardware acceleration in the browser option can eliminate the Horizontal lines encountered on highest resolution while looking at you tube.

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Article Properties

Affected Product

Dell U4919DW

Last Published Date

14 May 2021

Version

3

Article Type

Solution

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