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May 4th, 2020 11:00

U3417W, Lenovo C940 USB Type-C to HDMI adapter, DDM not connecting

I got a Dell U3417W a couple months ago and have been using DDM (Dell Display Manager) successfully on this monitor with my other Lenovo Legion via HDMI port. When I switched to a newer laptop, Lenovo C940, with a USB Type-C -> HDMI adapter (EZQuest X40092) -> HDMI to HDMI cable, the monitor display was OK but DDM cannot detect the monitor. 

I tried updating the drivers of the monitor and the graphic card; disconnecting and connecting all cables/cords while PC was off. 

* PC model - Lenovo C940
* Operating system - Win10 home
* Video card specifications (video out ports) - Intel Iris Plus
* Then detail how the video card is connected to the monitor like this: Lenovo USB Type-C -> EZQuest x40092 -> HDMI cable that came with the monitor -> Dell U3417W
DDM version - 1.50.1996

I did notice the message here. The problem there was the manager actually worked perfectly for a while before it went out. I wonder if there is any test I can do to make sure the problem was in the cable before I order one and what specification of the cable I should check.

5 Posts

May 11th, 2020 16:00

I uploaded the log but wasn't able to get any answer here. Today my new Anker usb-c hub arrived and after I replaced the EZQuest with it, the DDM worked as expected. So I guess it WAS the cable. 

Community Manager

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54.4K Posts

May 4th, 2020 12:00

DDM diagnostics

Press/hold the shift key, right click on the DDM system tray icon, select "Save diagnostic report" from the popup menu. Then post it out here as a Reply.

5 Posts

May 4th, 2020 13:00

Diagnostic Report, generated 5/4/2020 (10.0.18363)
Copyright (c) 1995-2020, EnTech Taiwan.
Version = 1.50.0.1996
OS = 10.0.18363.2 x64
Mechanism = 3
Account = Standard
Command line = "C:\Program Files (x86)\Dell\Dell Display Manager\ddm.exe" ExpandConstant
////////////////////////////////////////
EnumErrorCount = 0x00000000
HintShown = 0x00000001
////////////////////////////////////////
11:27:36.376...Log opened
11:27:36.379...WinOS = 18363
11:27:36.417...LanguageID = 00000409 00000409 00000409
11:27:36.424...Build = 1.50.0.1996
11:27:36.425...Thunderbolt driver = tbtbusdrv 1.41.648.5
11:27:36.425...Windows handles = 0002012C 000200B0 00010130
11:27:36.426...OS monitor sleep timeout value = 1500 ms.
11:27:36.426...Applied DPI = 96-96
11:27:36.426...VM = 0
11:27:36.427...Registered DDM popup hotkey = Shift+Ctrl+D 6044
11:27:36.427...Registered EA layout MRU hotkey = Shift+Ctrl+Home 6024
11:27:36.427...Registered application window hotkey = Shift+Ctrl+Ins 602D
11:27:36.431...Remote asset management = 1
11:27:36.431...Remote registry service state = 4
11:27:36.512...WMI service state (unless firewalled) = 1
11:27:36.679...Starting enumeration
11:27:36.834......Status = 00000000
11:27:36.835...Ending enumeration
11:27:36.839...New=DELA0DF.0002
11:27:36.905...Video power down timeout = 1500
11:27:36.906...User session connect
11:27:36.910...Display powered ON
11:27:41.919...Refreshing screen object
12:05:01.396...User session disconnect
12:05:17.760...User session connect
12:05:20.879...Refreshing screen object
12:17:49.744...User session disconnect
12:20:29.454...User session connect
12:20:34.449...Refreshing screen object
12:27:26.742...User session disconnect
13:18:01.952...Display powered OFF
13:22:21.957...User session connect
13:22:22.143...Display powered ON
13:22:29.650...Refreshing screen object
13:23:41.237...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
13:23:41.237...Dump: complete Windows device enumeration
13:23:41.237...1.DeviceName = \\.\DISPLAY19
13:23:41.237.....DeviceFlags = 00000005
13:23:41.237.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.238.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.238.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0000
13:23:41.240.....a.MonitorName = \\.\DISPLAY19\Monitor0
13:23:41.240.......MonitorFlags = 00000003
13:23:41.240.......MonitorString = Dell U3417W(HDMI1)
13:23:41.240.......MonitorID = MONITOR\DELA0DF\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
13:23:41.240.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0002
13:23:41.240.......Raw EDID = 00FFFFFFFFFFFF0010ACDFA04C4737302C1C010380502178EA0950A9554E9C26105054A54B00714F81008180A940D1C0010101010101E77C70A0D0A0295030203A00204F3100001A000000FF00465233504B3841553037474C0A000000FC0044454C4C205533343137570A20000000FD0030551E5920000A20202020202001C8
13:23:41.242...2.DeviceName = \\.\DISPLAY20
13:23:41.243.....DeviceFlags = 00000000
13:23:41.243.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.243.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.243.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0001
13:23:41.245.....a.MonitorName = \\.\DISPLAY20\Monitor0
13:23:41.245.......MonitorFlags = 00000002
13:23:41.246.......MonitorString = Lenovo Display 3840x2160
13:23:41.246.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.246.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.246.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.248...3.DeviceName = \\.\DISPLAY21
13:23:41.248.....DeviceFlags = 00000000
13:23:41.248.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.248.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.249.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0002
13:23:41.250.....a.MonitorName = \\.\DISPLAY21\Monitor0
13:23:41.250.......MonitorFlags = 00000002
13:23:41.251.......MonitorString = Lenovo Display 3840x2160
13:23:41.251.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.251.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.251.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.253...4.DeviceName = \\.\DISPLAY22
13:23:41.253.....DeviceFlags = 00000000
13:23:41.253.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.253.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.253.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0003
13:23:41.255.....a.MonitorName = \\.\DISPLAY22\Monitor0
13:23:41.256.......MonitorFlags = 00000002
13:23:41.256.......MonitorString = Lenovo Display 3840x2160
13:23:41.256.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.256.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.257.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.258...5.DeviceName = \\.\DISPLAY23
13:23:41.259.....DeviceFlags = 00000000
13:23:41.259.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.259.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.259.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0004
13:23:41.261.....a.MonitorName = \\.\DISPLAY23\Monitor0
13:23:41.262.......MonitorFlags = 00000002
13:23:41.262.......MonitorString = Lenovo Display 3840x2160
13:23:41.262.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.262.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.263.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.265...6.DeviceName = \\.\DISPLAY24
13:23:41.265.....DeviceFlags = 00000000
13:23:41.265.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.265.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.265.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0005
13:23:41.267.....a.MonitorName = \\.\DISPLAY24\Monitor0
13:23:41.267.......MonitorFlags = 00000002
13:23:41.267.......MonitorString = Lenovo Display 3840x2160
13:23:41.268.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.268.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.268.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.270...7.DeviceName = \\.\DISPLAY25
13:23:41.270.....DeviceFlags = 00000000
13:23:41.270.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.270.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.270.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0006
13:23:41.272.....a.MonitorName = \\.\DISPLAY25\Monitor0
13:23:41.272.......MonitorFlags = 00000002
13:23:41.272.......MonitorString = Lenovo Display 3840x2160
13:23:41.272.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.272.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.273.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.274...8.DeviceName = \\.\DISPLAY26
13:23:41.275.....DeviceFlags = 00000000
13:23:41.275.....DeviceString = Intel(R) Iris(R) Plus Graphics
13:23:41.275.....DeviceID = PCI\VEN_8086&DEV_8A52&SUBSYS_380117AA&REV_07
13:23:41.275.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{B8A82130-8A17-11EA-90C6-C0B8839C11E7}\0007
13:23:41.277.....a.MonitorName = \\.\DISPLAY26\Monitor0
13:23:41.278.......MonitorFlags = 00000002
13:23:41.278.......MonitorString = Lenovo Display 3840x2160
13:23:41.278.......MonitorID = MONITOR\LEN8B93\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.278.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
13:23:41.278.......Raw EDID = 00FFFFFFFFFFFF0030AE938B00000000011C0104B51F117803F170AA5445A9240F50540000000101010101010101010101010101010150D000A0F0703E803020350035AE1000001AA6A600A0F0703E803020350035AE1000001A000000FE00424F452048460A202020202020000000FE004E5631343051554D2D4E35340A01E3
13:23:41.280...Total number of monitors enumerated = 8
13:23:41.280...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

425 Posts

May 4th, 2020 13:00

Generally, only the digital-to-analog VGA adapter/converters are prone to issues; digital-to-digital like your USB-C to HDMI tend to be ok, so I'm guessing it could be the Intel display driver - their DDC/CI support has been problematic lately.

 

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