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mhuebert
08-27-2014, 03:47 PM
It was previously discussed here that it's possible to adjust color settings of DisplayLink monitors via software such as Screenbright. But Screenbright is no longer maintained, and the most recent version I could find does not recognize my monitor (Asus MB168B+).

Is anyone aware of alternative software that we can use to send DDC/CI settings to DisplayLink USB monitors?

(the developer of f.lux also talks about this - http://superuser.com/questions/257606/is-there-a-work-around-to-configure-brightness-or-color-on-a-displaylink-monitor/714528#714528 - it appears possible but perhaps not implemented by anybody yet)

jwilcox25
09-21-2014, 01:22 AM
I'm having the same problem. Supposedly DisplayLink allows DDC adjustments but I tried using ScreenBright and it says no compatible monitors detected. Directly connecting my monitor (Dell U2412M) allows me to use ScreeBright fine. Using the latest version of DisplayLink (7.7). Can any DisplayLink employees help clear up this issue?

ScreenBright: http://www.softpedia.com/get/Desktop-Enhancements/Other-Desktop-Enhancements/ScreenBright.shtml#download

Thanks!

andenq
10-08-2014, 06:40 PM
Same problem here! Would love to automatically set the color temperature.

Win 8.1, 7.7M0, Asus VX238H btw

----------------
Edit:

Downloaded this software to try and diagnose the issue: http://www.ddc-ci.com/
The log happens to say "... does not respond to DDC/CI", so there is something that isn't working as it should.

Full log:

19:45:50.31200...Open log 08/10/2014 19:45:50
19:45:50.31301...softMCCS version = 2.5.0.1033
19:45:50.31302...OS version: 6.2.9200.2
19:45:50.32703...MAC address: C4-85-08-31-6F-23
19:45:50.32704...Starting hardware device enumeration
19:45:50.32705...********************************* **********
19:45:50.32806...BUS_SLOT = PCI00000,PCI00004,PCI00008,PCI0000C,PCI00010,PCI00 014,PCI00018,PCI0001C,PCI00020,PCI00024,PCI00028,P CI0002C
19:45:50.32807...00000000 = 01548086,20900006,06000009,00000000,00000000,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.32808...00000008 = 01518086,00100007,06040009,00810010,00000000,00000 000,00010100,0000E0E0,F700F600,F1F1E001,00000000,0 0000000
19:45:50.32809...00000010 = 01668086,00900407,03000009,00000000,F7400004,00000 000,D000000C,00000000,0000F001,00000000,00000000,1 5071043
19:45:50.3290A...00000020 = 01538086,00900006,11800009,00000000,FEAF8004,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.3300B...000000A0 = 1E318086,02900406,0C033004,00000000,F7900004,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.3300C...000000B0 = 1E3A8086,00100006,07800004,00800000,F7922004,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.3310D...000000D0 = 1E2D8086,02900006,0C032004,00000000,F7920000,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.3310E...000000D8 = 1E208086,00100006,04030004,00000010,F7918004,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.3320F...000000E0 = 1E108086,00100004,060400C4,00810010,00000000,00000 000,00020200,200000F0,0000FFF0,0001FFF1,00000000,0 0000000
19:45:50.33210...000000E8 = 1E268086,02900006,0C032004,00000000,F791F000,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.33311...000000F8 = 1E598086,02100007,06010004,00800000,00000000,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.33312...000000FA = 1E038086,02B00407,01060104,00000000,0000F0B1,0000F 0A1,0000F091,0000F081,0000F061,F791E000,00000000,1 5071043
19:45:50.33413...000000FB = 1E228086,02800003,0C050004,00000000,F791D004,00000 000,00000000,00000000,0000F041,00000000,00000000,1 5071043
19:45:50.33414...000000FE = 1E248086,00100006,11800004,00000000,F791C004,00000 000,00000000,00000000,00000000,00000000,00000000,1 5071043
19:45:50.33815...00000300 = 088E8086,00100406,02800024,00000010,F7800004,00000 000,00000000,00000000,00000000,00000000,00000000,4 0608086
19:45:50.40916...Graphics controllers found = 1
19:45:50.40917...Device 1 = 43,01668086,15071043,00000010,F7400000,0000F000,00 000002,Intel
19:45:50.41018...Abstraction layer = 1
19:45:50.41019...Beginning initialization
19:45:50.4101A...///////////////////////////////////////////
19:45:50.4101B...Hardware monitor enumeration
19:45:50.4111C...Querying 00010001
19:45:50.4121D.....[S] <A0:w> [P]
19:45:50.4681E.....[S] <A0:w> [P]
19:45:50.5731F.....[S] <A0:w> [P]
19:45:50.57320...Nothing found on 00010001
19:45:50.57321...********************************* **********
19:45:50.62822...Querying 00020001
19:45:50.78423...Nothing found on 00020001
19:45:50.78424...********************************* **********
19:45:50.83925...Querying 00030001
19:45:50.84026.....[S] <A0:w> [P]
19:45:50.89527.....[S] <A0:w> [P]
19:45:50.99928.....[S] <A0:w> [P]
19:45:50.99929...Nothing found on 00030001
19:45:50.9992A...********************************* **********
19:45:51.0532B...Querying 00040001
19:45:51.0562C.....[S] [P]
19:45:51.2122D...Nothing found on 00040001
19:45:51.2122E...********************************* **********
19:45:51.2662F...Querying 00050001
19:45:51.42330...Nothing found on 00050001
19:45:51.42331...********************************* **********
19:45:51.47732...Querying 00060001
19:45:51.48033.....[S] [P]
19:45:51.63634...Nothing found on 00060001
19:45:51.63635...********************************* **********
19:45:51.69536...********************************* **********
19:45:51.69537...Found device on Intel(R) HD Graphics 4000
19:45:51.69538...Monitor ID = Asus VX238 (ACI23C1.CBLMRS003847)
19:45:51.69539...Raw EDID = 00FFFFFFFFFFFF000469C123010101012D16010380331D78EA DD45A3554FA027125054AFCF80714F8180818FB30081409500 A9400101023A801871382D40582C4500FE221100001E000000 FD00384B1E530F000A202020202020000000FC005658323338 0A20202020202020000000FF0043424C4D5253303033383437 0A018F
19:45:51.7993A...Error: failed CSL on 0x00000000 = 0xC0262589 (STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND)
19:45:51.9023B...Error: failed to obtain capabilities string length from OS
19:45:51.9023C...ACI23C1 on Intel(R) HD Graphics 4000 does not respond to DDC/CI
19:45:51.9023D...********************************* **********
19:45:51.9023E...Software monitor enumeration
19:45:51.9033F...Monitor #1: Asus VX238
19:45:51.90340.............. Hardware ID: 0x0000
19:45:51.90441.............. Device handle: 0x00010001
19:45:51.90442.............. Device number: 0
19:45:51.90443.............. Device name: \\.\DISPLAY1
19:45:51.90444.............. Device string: Intel(R) HD Graphics 4000
19:45:51.90445.............. Device ID: PCI\VEN_8086&DEV_0166&SUBSYS_15071043&REV_09
19:45:51.90546.............. Device flags: 0x00000005
19:45:51.90547.............. Device driver: igdumdim64 10.18.10.3308
19:45:51.90548.............. Monitor name: \\.\DISPLAY1\Monitor1
19:45:51.90549.............. Monitor string: Generic PnP Monitor
19:45:51.9054A.............. Monitor flags: 0x00000003
19:45:51.9064B.............. Coordinates: 0,0,1920,1080
19:45:52.9074C...Finished monitor enumeration, total elapsed time = 2500 ms
19:45:52.9074D...Number of monitors enumerated = 1 total, 0 DDC/CI
19:45:52.9074E...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ \\\\\\\\\\
19:46:40.0084F...///////////////////////////////////////////
19:46:40.00950...Hardware monitor enumeration
19:46:40.01251...Querying 00010001
19:46:40.01552.....[S] <A0:w> [P]
19:46:40.07153.....[S] <A0:w> [P]
19:46:40.17754.....[S] <A0:w> [P]
19:46:40.17855...Nothing found on 00010001
19:46:40.17956...********************************* **********
19:46:40.23557...Querying 00020001
19:46:40.39358...Nothing found on 00020001
19:46:40.39459...********************************* **********
19:46:40.4475A...Querying 00030001
19:46:40.4495B.....[S] <A0:w> [P]
19:46:40.5045C.....[S] <A0:w> [P]
19:46:40.6105D.....[S] <A0:w> [P]
19:46:40.6115E...Nothing found on 00030001
19:46:40.6135F...********************************* **********
19:46:40.66860...Querying 00040001
19:46:40.82361...Nothing found on 00040001
19:46:40.82462...********************************* **********
19:46:40.87963...Querying 00050001
19:46:41.03664...Nothing found on 00050001
19:46:41.03765...********************************* **********
19:46:41.09166...Querying 00060001
19:46:41.24967...Nothing found on 00060001
19:46:41.25068...********************************* **********
19:46:41.31069...********************************* **********
19:46:41.3116A...Found device on Intel(R) HD Graphics 4000
19:46:41.3126B...Monitor ID = Asus VX238 (ACI23C1.CBLMRS003847)
19:46:41.3136C...Raw EDID = 00FFFFFFFFFFFF000469C123010101012D16010380331D78EA DD45A3554FA027125054AFCF80714F8180818FB30081409500 A9400101023A801871382D40582C4500FE221100001E000000 FD00384B1E530F000A202020202020000000FC005658323338 0A20202020202020000000FF0043424C4D5253303033383437 0A018F
19:46:41.4186D...Error: failed CSL on 0x00000000 = 0xC0262589 (STATUS_GRAPHICS_DDCCI_INVALID_MESSAGE_COMMAND)
19:46:41.5226E...Error: failed to obtain capabilities string length from OS
19:46:41.5236F...ACI23C1 on Intel(R) HD Graphics 4000 does not respond to DDC/CI
19:46:41.52570...********************************* **********
19:46:41.52671...Software monitor enumeration
19:46:41.52772...Monitor #1: Asus VX238
19:46:41.52973.............. Hardware ID: 0x0000
19:46:41.53174.............. Device handle: 0x00010001
19:46:41.53275.............. Device number: 0
19:46:41.53376.............. Device name: \\.\DISPLAY1
19:46:41.53477.............. Device string: Intel(R) HD Graphics 4000
19:46:41.53578.............. Device ID: PCI\VEN_8086&DEV_0166&SUBSYS_15071043&REV_09
19:46:41.53679.............. Device flags: 0x00000005
19:46:41.5377A.............. Device driver: igdumdim64 10.18.10.3308
19:46:41.5387B.............. Monitor name: \\.\DISPLAY1\Monitor1
19:46:41.5397C.............. Monitor string: Generic PnP Monitor
19:46:41.5417D.............. Monitor flags: 0x00000003
19:46:41.5427E.............. Coordinates: 0,0,1920,1080
19:46:42.5437F...Finished monitor enumeration, total elapsed time = 2547 ms
19:46:42.54480...Number of monitors enumerated = 1 total, 0 DDC/CI
19:46:42.54581...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ \\\\\\\\\\

jwilcox25
10-27-2014, 03:43 AM
Yes I tried ScreenBright connecting the monitor directly instead of through DisplayLink (same PC, same monitor) and it worked fine, so think DisplayLink is the issue.

JamesH or other DisplayLink team members: was the DDC/CI feature ever working or removed at some point?