P2720DC, not recognized by DDM

Question

Hi, I have an issue with DDM not recognizing my P2720DC monitor. It'll require to restart the windows which sometimes resolve it and sometimes not. Here's an output of the diagnostic: Diagnostic Report, generated 14-Sep-20 (10.0.18362)Copyright (c) 1995-2020, EnTech Taiwan.Version = 1.50.0.1996OS = 10.0.18362.2 x64Mechanism = 3Account = StandardCommand line = 'C:\Program Files (x86)\Dell\Dell Display Manager\ddm.exe'////////////////////////////////////////LastRC = 0x00000000GridMRU.DELD0FD.81WTK01K3DSS = 0x031891C4GridType.DELD0FD.81WTK01K3DSS = 0x00000009GridType.DELD0FD.81WTK01K3DSS{5FAE8D17-3CB7-4034-8EA4-9AAC73B2AFD0} = 0x00000009GlassBorder.DEL40E7.5K9YD8A3D42L = 0x00000100GridType.2{5FAE8D17-3CB7-4034-8EA4-9AAC73B2AFD0} = 0x00000009GridType.DEL40E7.5K9YD8A3D42L{5FAE8D17-3CB7-4034-8EA4-9AAC73B2AFD0} = 0x00000000AppScan.DEL40E7.5K9YD8A3EBLL = 0x00000004AppScan.DEL40E7.5K9YD8A3D42L = 0x00000004FW.DEL40E7.5K9YD8A3EBLL = 0x00004104DEL40E7 = 0x00000001FW.DEL40E7.5K9YD8A3D42L = 0x00004104GlassBorder.DELD0FD.81WTK01K3DSS = 0x00000100CaiHotkey.DELD0FD.81WTK01K3DSS = 0x00006057KvmHotkey.DELD0FD.81WTK01K3DSS = 0x00006048PCa.DELD0FD.81WTK01K3DSS = 0x00000011PCb.DELD0FD.81WTK01K3DSS = 0x0000000FPC2.DELD0FD.81WTK01K3DSS = 0x0000000FAppScan.DELD0FD.81WTK01K3DSS = 0x00000004FW.DELD0FD.81WTK01K3DSS = 0x00000100KbFix = 0x00000001PCa.DELD0FD.81WTK9CD00XS = 0x00000011PCb.DELD0FD.81WTK9CD00XS = 0x0000001BPC2.DELD0FD.81WTK9CD00XS = 0x0000001BGridMRU = 0x031891C4GridMRU.DELD0FD.81WTK9CD00XS = 0x04043189GridType = 0x00000009GridType.1{5FAE8D17-3CB7-4034-8EA4-9AAC73B2AFD0} = 0x00000009GridType.DELD0FD.81WTK9CD00XS = 0x00000009GridType.DELD0FD.81WTK9CD00XS{5FAE8D17-3CB7-4034-8EA4-9AAC73B2AFD0} = 0x00000009AutoRestoreWindowLayout = 0x00000001GlassBorder.DELD0FD.81WTK9CD00XS = 0x00000100AppScan.DELD0FD.81WTK9CD00XS = 0x00000004DELD0FD = 0x00000001FW.DELD0FD.81WTK9CD00XS = 0x00000100HintShown = 0x00000001LastCheck = 0x0000AC38EnumErrorCount = 0x00000000Metro.DEL40E7.5K9YD8A3EBLL = 0x00000001D3D.DEL40E7.5K9YD8A3EBLL = 0x00000004Metro.DEL40E7.5K9YD8A3D42L = 0x00000001D3D.DEL40E7.5K9YD8A3D42L = 0x00000004Metro.DELD0FD.81WTK01K3DSS = 0x0000000ED3D.DELD0FD.81WTK01K3DSS = 0x00000004Metro.DELD0FD.81WTK9CD00XS = 0x0000000ED3D.DELD0FD.81WTK9CD00XS = 0x00000004////////////////////////////////////////13:18:36.025...Log opened13:18:36.071...WinOS = 1836213:18:36.345...LanguageID = 00000409 00000409 0000040913:18:36.394...Build = 1.50.0.199613:18:36.401...Thunderbolt driver = tbt100x 17.4.80.9413:18:36.404...Windows handles = 00010206 00010182 0001021613:18:36.409...OS monitor sleep timeout value = 7200 ms.13:18:36.412...Applied DPI = 96-9613:18:36.415...VM = 013:18:36.419...Registered DDM popup hotkey = Shift+Ctrl+D 604413:18:36.422...Registered EA layout MRU hotkey = Shift+Ctrl+Home 602413:18:36.427...Registered application window hotkey = Shift+Ctrl+Ins 602D13:18:36.455...Remote asset management = 113:18:36.459...Remote registry service state = 213:18:37.000...WMI service state (unless firewalled) = 113:18:37.474...Starting enumeration13:18:37.532...Skipping unsupported device MONITOR\ACI27EC\{4d36e96e-e325-11ce-bfc1-08002be10318}\000513:18:37.548......Status = 0000000013:18:37.568...2. DELD0FD.81WTK01K3DSS on Intel(R) UHD Graphics 62013:18:37.573......Monitor assignment = 113:18:37.578......Adapter name = \.\DISPLAY213:18:37.582......Monitor name = Dell P2720DC(HDMI)13:18:37.586......Vendor ID = 808613:18:37.596......GPU driver = igdumdim64 26.20.100.781013:18:37.601......Flags = 00000001.0000000313:18:37.604......Display tag = D95680FC13:18:37.612......Monitor handle = 0001000313:18:37.616......Monitor screen area = -1440,-465 x 0,2095 1440x256013:18:37.620......Monitor work area = -1440,-465 x 0,2055 1440x252013:18:37.627......Monitor scaling factor = 100%13:18:37.632......Raw EDID = 00FFFFFFFFFFFF0010ACFDD053534433041E0103803C2278EA9325A9544D9E250C5054A54B008100B300D100714FA9408180D1C00101565E00A0A0A029503020350055502100001A000000FF00383157544B30314B334453530A000000FC0044454C4C20503237323044430A000000FD00314B1D711C000A20202020202001D913:18:37.654......Error: GetVCP10h: 0xC0262582.00010003 = An error occurred while transmitting data to the device on the I2C bus13:18:37.658......VCP10 = FFFFFFFF13:18:37.663......OS device handle = 00010003.0000000013:18:37.667......Error: failed to obtain capabilities string13:18:37.671......Error: failed to obtain output mask from display driver13:18:40.190......Error: GetVCP10h: 0xC0262582.00010003 = An error occurred while transmitting data to the device on the I2C bus13:18:40.192......VCP10 = FFFFFFFF13:18:40.193......OS device handle = 00010003.0000000013:18:40.195......Error: failed to obtain capabilities string13:18:40.196......Error: failed to obtain output mask from display driver13:18:45.208......Error: GetVCP10h: 0xC0262582.00010003 = An error occurred while transmitting data to the device on the I2C bus13:18:45.210......VCP10 = FFFFFFFF13:18:45.211......OS device handle = 00010003.0000000013:18:45.212......Error: failed to obtain capabilities string13:18:45.213......Error: failed to obtain output mask from display driver13:18:45.214......Discarding unsupported display: DELD0FD.81WTK01K3DSS on Intel(R) UHD Graphics 62013:18:45.215......Status = 0000000013:18:45.216...Ending enumeration13:18:45.225...New=ACI27EC.0005 DELD0FD.000413:18:45.258...Video power down timeout = 720013:18:45.269...Display powered ON13:18:45.273...User session connect13:18:50.318...Refreshing screen object13:18:50.671...Attempting to auto-restore window layout...13:20:14.075...\\\\\\\\\\\\\\\\\\\\13:20:14.075...Dump: complete Windows device enumeration13:20:14.076...1.DeviceName = \.\DISPLAY113:20:14.077.....DeviceFlags = 0000000513:20:14.077.....DeviceString = Intel(R) UHD Graphics 62013:20:14.078.....DeviceID = PCI\VEN_8086&DEV_5917&SUBSYS_225C17AA&REV_0713:20:14.078.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{21FE49BF-0F57-11EA-B2A5-C77CE8F5A889}\000013:20:14.081.....a.MonitorName = \.\DISPLAY1\Monitor013:20:14.082.......MonitorFlags = 0000000313:20:14.082.......MonitorString = Generic PnP Monitor13:20:14.083.......MonitorID = MONITOR\ACI27EC\{4d36e96e-e325-11ce-bfc1-08002be10318}\000513:20:14.083.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\000513:20:14.085.......Raw EDID = 00FFFFFFFFFFFF000469EC27010101010F1C0103A03C227806EE91A3544C99260F505421080001010101010101010101010101010101565E00A0A0A029503020350056502100001A000000FF004A344C4D51533036303439310A000000FD00183C1E8C1E010A202020202020000000FC00524F47205047323739510A2020014213:20:14.088...2.DeviceName = \.\DISPLAY213:20:14.089.....DeviceFlags = 0000000113:20:14.090.....DeviceString = Intel(R) UHD Graphics 62013:20:14.090.....DeviceID = PCI\VEN_8086&DEV_5917&SUBSYS_225C17AA&REV_0713:20:14.091.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{21FE49BF-0F57-11EA-B2A5-C77CE8F5A889}\000113:20:14.094.....a.MonitorName = \.\DISPLAY2\Monitor013:20:14.095.......MonitorFlags = 0000000313:20:14.096.......MonitorString = Dell P2720DC(HDMI)13:20:14.097.......MonitorID = MONITOR\DELD0FD\{4d36e96e-e325-11ce-bfc1-08002be10318}\000413:20:14.097.......MonitorKey = \Registry\Machine\System\CurrentControlSet\Control\Class\{4d36e96e-e325-11ce-bfc1-08002be10318}\000413:20:14.099.......Raw EDID = 00FFFFFFFFFFFF0010ACFDD053534433041E0103803C2278EA9325A9544D9E250C5054A54B008100B300D100714FA9408180D1C00101565E00A0A0A029503020350055502100001A000000FF00383157544B30314B334453530A000000FC0044454C4C20503237323044430A000000FD00314B1D711C000A20202020202001D913:20:14.102...3.DeviceName = \.\DISPLAY313:20:14.103.....DeviceFlags = 0000000013:20:14.103.....DeviceString = Intel(R) UHD Graphics 62013:20:14.103.....DeviceID = PCI\VEN_8086&DEV_5917&SUBSYS_225C17AA&REV_0713:20:14.104.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{21FE49BF-0F57-11EA-B2A5-C77CE8F5A889}\000213:20:14.107...Total number of monitors enumerated = 213:20:14.108...\\\\\\\\\\\\\\\\\\\\

swamped207 · Answer

That's an Intel gfx driver error. You just need to update your old b.7810 driver to the latest b.8587 here.

Dell-Geoffrey R · Answer

Nitayb, What was the result of swamped207 instructions to you?

Monitors

Was this post helpful?