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DDM no detection, Dual P2715Q, E-Port Plus
I turned on my laptop today and the DDM utility stopped working. I tried all the following,
Turning both displays off and on
Resetting monitors from the UI settings
Removing power to monitors
Reinstalling DDM along with multiple reboots
My laptop is a Latitude E7470 hooked to a Dell E-Port Plus Advanced Port Replicator and both monitors are over display port. The error message is this monitor requires a supported monitor and connection.
Below is the DDM diagnostic
Diagnostic Report, generated 11/21/2017 (10.0.15063)
Copyright (c) 1995-2017, EnTech Taiwan.
Version = 1.31.0.1897
OS = 10.0.15063.2 x64
Mechanism = 3
Account = Administrator
Command line = "C:\Program Files (x86)\Dell\Dell Display Manager\ddm.exe"
////////////////////////////////////////
AutoRestoreWindowLayout = 0x00000000
FW.DEL40BE.X24K176QAZPL = 0x00000201
FW.DEL40BD.X24K176QB3UL = 0x00000201
EnumErrorCount = 0x00000000
LastCheck = 0x00000000
HintShown = 0x00000001
////////////////////////////////////////
15:05:52.938...Log opened
15:05:53.225...LanguageID = 00000409 00000409 00000409
15:05:53.232...Build = 1.31.0.1897
15:05:53.232...Windows handles = 00030048 000300FC 0003004E
15:05:53.233...OS monitor sleep timeout value = 0 ms.
15:05:53.233...Applied DPI = 96-144
15:05:53.233...VM = 0
15:05:53.939...Starting enumeration
15:05:54.554......Skipping unsupported device MONITOR\AUO1036\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003
15:05:54.738...2. DEL40BD.X24K176QB3UL on Intel(R) HD Graphics 520
15:05:54.743......Monitor assignment = 1
15:05:54.744......Adapter name = \\.\DISPLAY2
15:05:54.744......Monitor name = Generic PnP Monitor
15:05:54.744......Vendor ID = 8086
15:05:54.745......GPU driver = igdumdim64 21.20.16.4627
15:05:54.746......Flags = 00000001.00000003
15:05:54.746......Display tag = 9E4DA5BC
15:05:54.746......Monitor number = 2
15:05:54.746......Monitor handle = 00010003
15:05:54.747......Raw EDID = 00FFFFFFFFFFFF0010ACBD404C5533421A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94081808100714F01014DD000A0F0703E803020350055502100001A000000FF005832344B313736514233554C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C36010A202020202020019E
15:05:54.924......VCP10 = 0064004B
15:05:54.925......OS device handle = 00010003.00000000
15:05:54.925......Capabilities string = (prot(monitor)type(lcd)model(p2715q)cmds(01 02 03 07 0c e3 f3)vcp(02 04 05 08 10 12 14(05 08 0b 0c)16 18 1a 60(10 0f 11) aa(01 02) ac ae b6 c6 c8 c9 d6(01 04 05) dc(00 02 03 05) df e0 e1 e2(00 01 02 04 0e 12 14 19) e4(00 01) f0(08) f1 f2 fd)mccs_ver(2.1)mswhql(1)) (cached)
15:05:55.329......Configuration = FFFF0003.FFFF0074.1B1A
15:05:55.333......Discarding unsupported display: DEL40BD.X24K176QB3UL on Intel(R) HD Graphics 520
15:05:55.428...3. DEL40BE.X24K176QAZPL on Intel(R) HD Graphics 520
15:05:55.433......Monitor assignment = 1
15:05:55.434......Adapter name = \\.\DISPLAY3
15:05:55.434......Monitor name = Generic PnP Monitor
15:05:55.434......Vendor ID = 8086
15:05:55.435......GPU driver = igdumdim64 21.20.16.4627
15:05:55.436......Flags = 00000001.00000003
15:05:55.436......Display tag = 97A3A5BE
15:05:55.436......Monitor number = 3
15:05:55.436......Monitor handle = 00010005
15:05:55.437......Raw EDID = 00FFFFFFFFFFFF0010ACBE404C505A411A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94F81808100714F0101A36600A0F0701F803020350055502100001A000000FF005832344B31373651415A504C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C1E010A2020202020200197
15:05:55.624......VCP10 = 0064003C
15:05:55.626......OS device handle = 00010005.00000000
15:05:55.626......Capabilities string = (prot(monitor)type(lcd)model(p2715q)cmds(01 02 03 07 0c e3 f3)vcp(02 04 05 08 10 12 14(05 08 0b 0c)16 18 1a 60(10 0f 11) aa(01 02) ac ae b6 c6 c8 c9 d6(01 04 05) dc(00 02 03 05) df e0 e1 e2(00 01 02 04 0e 12 14 19) e4(00 01) f0(08) f1 f2 fd)mccs_ver(2.1)mswhql(1)) (cached)
15:05:56.074......Configuration = FFFF0003.FFFF0074.1B1A
15:05:56.075......Discarding unsupported display: DEL40BE.X24K176QAZPL on Intel(R) HD Graphics 520
15:05:56.075...Ending enumeration
15:05:56.248...New=AUO1036.0003 DEL40BD.0001 DEL40BE.0007
15:05:56.250...Video power down timeout = 0
15:05:56.250...User session connect
15:05:56.250...Display powered ON
15:06:01.688...Refreshing screen object
15:06:06.240...Starting enumeration
15:06:06.857......Skipping unsupported device MONITOR\AUO1036\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003
15:06:07.041...2. DEL40BD.X24K176QB3UL on Intel(R) HD Graphics 520
15:06:07.045......Monitor assignment = 1
15:06:07.046......Adapter name = \\.\DISPLAY2
15:06:07.046......Monitor name = Generic PnP Monitor
15:06:07.046......Vendor ID = 8086
15:06:07.047......GPU driver = igdumdim64 21.20.16.4627
15:06:07.048......Flags = 00000001.00000003
15:06:07.048......Display tag = 9E4DA5BC
15:06:07.049......Monitor number = 2
15:06:07.049......Monitor handle = 00010003
15:06:07.050......Raw EDID = 00FFFFFFFFFFFF0010ACBD404C5533421A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94081808100714F01014DD000A0F0703E803020350055502100001A000000FF005832344B313736514233554C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C36010A202020202020019E
15:06:07.225......VCP10 = 0064004B
15:06:07.225......OS device handle = 00010003.00000000
15:06:07.227......Capabilities string = (prot(monitor)type(lcd)model(p2715q)cmds(01 02 03 07 0c e3 f3)vcp(02 04 05 08 10 12 14(05 08 0b 0c)16 18 1a 60(10 0f 11) aa(01 02) ac ae b6 c6 c8 c9 d6(01 04 05) dc(00 02 03 05) df e0 e1 e2(00 01 02 04 0e 12 14 19) e4(00 01) f0(08) f1 f2 fd)mccs_ver(2.1)mswhql(1)) (cached)
15:06:07.679......Configuration = FFFF0003.FFFF0074.1B1A
15:06:07.679......Discarding unsupported display: DEL40BD.X24K176QB3UL on Intel(R) HD Graphics 520
15:06:07.905...3. DEL40BE.X24K176QAZPL on Intel(R) HD Graphics 520
15:06:07.908......Monitor assignment = 1
15:06:07.909......Adapter name = \\.\DISPLAY3
15:06:07.910......Monitor name = Generic PnP Monitor
15:06:07.910......Vendor ID = 8086
15:06:07.911......GPU driver = igdumdim64 21.20.16.4627
15:06:07.912......Flags = 00000001.00000003
15:06:07.912......Display tag = 97A3A5BE
15:06:07.912......Monitor number = 3
15:06:07.912......Monitor handle = 00010005
15:06:07.913......Raw EDID = 00FFFFFFFFFFFF0010ACBE404C505A411A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94F81808100714F0101A36600A0F0701F803020350055502100001A000000FF005832344B31373651415A504C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C1E010A2020202020200197
15:06:08.110......VCP10 = 0064003C
15:06:08.114......OS device handle = 00010005.00000000
15:06:08.114......Capabilities string = (prot(monitor)type(lcd)model(p2715q)cmds(01 02 03 07 0c e3 f3)vcp(02 04 05 08 10 12 14(05 08 0b 0c)16 18 1a 60(10 0f 11) aa(01 02) ac ae b6 c6 c8 c9 d6(01 04 05) dc(00 02 03 05) df e0 e1 e2(00 01 02 04 0e 12 14 19) e4(00 01) f0(08) f1 f2 fd)mccs_ver(2.1)mswhql(1)) (cached)
15:06:08.602......Configuration = FFFF0003.FFFF0074.1B1A
15:06:08.602......Discarding unsupported display: DEL40BE.X24K176QAZPL on Intel(R) HD Graphics 520
15:06:08.602...Ending enumeration
15:06:33.735...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
15:06:33.736...Dump: complete Windows device enumeration
15:06:33.736...1.DeviceName = \\.\DISPLAY1
15:06:33.737.....DeviceFlags = 00000005
15:06:33.738.....DeviceString = Intel(R) HD Graphics 520
15:06:33.738.....DeviceID = PCI\VEN_8086&DEV_1916&SUBSYS_06DC1028&REV_07
15:06:33.739.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{69773355-E983-496F-BDA7-E7E06DB71D04}\0000
15:06:33.768.....a.MonitorName = \\.\DISPLAY1\Monitor0
15:06:33.773.......MonitorFlags = 00000003
15:06:33.773.......MonitorString = Generic PnP Monitor
15:06:33.774.......MonitorID = MONITOR\AUO1036\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003
15:06:33.774.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0003
15:06:33.774.......Raw EDID = 00FFFFFFFFFFFF0006AF36100000000000180104A51F117802D1E5A4554E9D26125054000000010101010101010101010101010101011C6100C8A0A03C502820AA0035AE1000001AB24D00C8A0A03C502820AA0035AE1000001A000000FE004630575856804231343051414E0000000000024102A2011100000A010A20200079
15:06:33.804...2.DeviceName = \\.\DISPLAY2
15:06:33.808.....DeviceFlags = 00000001
15:06:33.808.....DeviceString = Intel(R) HD Graphics 520
15:06:33.808.....DeviceID = PCI\VEN_8086&DEV_1916&SUBSYS_06DC1028&REV_07
15:06:33.809.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{69773355-E983-496F-BDA7-E7E06DB71D04}\0001
15:06:33.838.....a.MonitorName = \\.\DISPLAY2\Monitor0
15:06:33.843.......MonitorFlags = 00000003
15:06:33.844.......MonitorString = Generic PnP Monitor
15:06:33.844.......MonitorID = MONITOR\DEL40BD\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
15:06:33.844.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0001
15:06:33.845.......Raw EDID = 00FFFFFFFFFFFF0010ACBD404C5533421A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94081808100714F01014DD000A0F0703E803020350055502100001A000000FF005832344B313736514233554C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C36010A202020202020019E
15:06:33.875...3.DeviceName = \\.\DISPLAY3
15:06:33.878.....DeviceFlags = 00000001
15:06:33.879.....DeviceString = Intel(R) HD Graphics 520
15:06:33.880.....DeviceID = PCI\VEN_8086&DEV_1916&SUBSYS_06DC1028&REV_07
15:06:33.880.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{69773355-E983-496F-BDA7-E7E06DB71D04}\0002
15:06:33.910.....a.MonitorName = \\.\DISPLAY3\Monitor0
15:06:33.912.......MonitorFlags = 00000003
15:06:33.913.......MonitorString = Generic PnP Monitor
15:06:33.913.......MonitorID = MONITOR\DEL40BE\{4d36e96e-e325-11ce-bfc1-08002be10318}\0007
15:06:33.914.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\0007
15:06:33.915.......Raw EDID = 00FFFFFFFFFFFF0010ACBE404C505A411A1B0104A53C22783AEE95A3544C99260F5054A54B00D100D1C0B300A94F81808100714F0101A36600A0F0701F803020350055502100001A000000FF005832344B31373651415A504C0A000000FC0044454C4C205032373135510A20000000FD001D4B1F8C1E010A2020202020200197
15:06:33.946...Total number of monitors enumerated = 3
15:06:33.950...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
DELL-Chris M
Community Manager
Community Manager
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54.9K Posts
0
November 22nd, 2017 07:00
First, I would remove the Dell E-Port Plus from the troubleshooting. Test each P2715Q by itself directly connected to the Latitude E7470. Then test DDM.
Latitude E7470 mDP out port --> P2715Q mDP to DP cable --> #1 P2715Q DP in port
Latitude E7470 mDP out port --> P2715Q mDP to DP cable --> #2 P2715Q DP in port
Latitude E7470 HDMI out port --> HDMI to HDMI cable --> #1 P2715Q HDMI in port
Latitude E7470 HDMI out port --> HDMI to HDMI cable --> #2 P2715Q HDMI in port
The DDM diagnostic also reveals something odd.
Monitor name = Generic PnP Monitor
You need to install the specific P2715Q drivers into the Latitude E7470 operating system.
swamped1
234 Posts
0
November 22nd, 2017 08:00
Also try simply refreshing DDM: while holding down the SHIFT key, right-click on the DDM system tray icon and select "Refresh..." from the popup menu.