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    HD4600 resolution problem with HP LA2405x monitor

    emperorz

      So, this monitor is capable of 1920x1200, and indeed older Intel chipsets drive it just fine over VGA.

       

      This chipset (inside a Dell E6540 laptop) will not recognize the resolution above 1920x1080.

       

      Using the custom resolution app leads to a message "The custom resolution exceeds the maximum bandwidth capacity."

       

      Running the system info utility shows me that the mode is supported by the monitor. But notice the order of resolutions. This looks like a bug in the intel mode detection, possibly shared between both utilities.

       

      Is there a fix or workaround for this?:

       

      Intel(R) HD Graphics 4600


      Report Date: 12/6/2013

      Report Time[hh:mm:ss]: 15:12:07

      Driver Version: 9.18.10.3204

      Operating System: Windows 7  Service Pack 1(6.1.7601)

      Default Language: English (United Kingdom)

      Installed DirectX* Version: 11.0

      Supported DirectX* Version: 11.0

      Shader Version: 5.0

      OpenGL* Version: 4.0

      Physical Memory: 8097 MB

      Processor: Intel(R) Core(TM) i7-4800MQ CPU @ 2.70GHz

      Processor Speed: 2693 MHz

      Vendor ID: 8086

      Device ID: 0416

      Device Revision: 06


      *   Processor Graphics Information   *


      Processor Graphics in Use: Intel(R) HD Graphics 4600

      Video BIOS: 2171.10

      Current Graphics Mode: 1920 by 1080


      *   Devices Connected to the Graphics Accelerator   *


      Active Monitors: 1

      Active Notebook Displays: 1

        * Monitor *


      Monitor Name: HP Compaq LA2405x LED Backlit Monitor

      Display Type: Analog

      Connector Type: VGA

      Serial Number: HWP3020

      Gamma: 2.2

      DDC2 Protocol: Supported

      Device Type: Monitor


      Maximum Image Size:

      Horizontal: 20.47 inches

      Vertical: 12.60 inches


      Monitor Supported Modes:

      640 by 480 (60 Hz)

      800 by 600 (60 Hz)

      1024 by 768 (60 Hz)

      1280 by 1024 (60 Hz)

      1280 by 960 (60 Hz)

      1440 by 900 (60 Hz)

      1600 by 1200 (60 Hz)

      1680 by 1050 (60 Hz)

      1920 by 1200 (60 Hz)

      1920 by 1080 (60 Hz)


      Display Power Management Support:

      Standby Mode: Supported

      Suspend Mode: Supported

      Active Off Mode: Supported


      Raw EDID:

      00 FF FF FF FF FF FF 00 22 F0 20 30 01 01 01 01

      1F 16 01 04 68 34 20 78 EE 01 F5 A2 57 52 9F 27

      0A 50 54 21 08 00 81 40 81 80 95 00 A9 40 B3 00

      D1 C0 01 01 01 01 7D 4B 80 A0 72 B0 2D 40 88 C8

      36 00 06 44 21 00 00 1C 00 00 00 FD 00 32 3F 18

      4C 14 00 0A 20 20 20 20 20 20 00 00 00 FC 00 48

      50 20 4C 41 32 34 30 35 78 0A 20 20 00 00 00 FF

      00 43 4E 34 32 33 31 30 43 53 39 0A 20 20 00 39



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