U4919DW, Intel HD 4600, DDM not working

Diagnostic Report, generated 22/02/2021 (10.0.19042)
Copyright (c) 1995-2021, EnTech Taiwan.
Version = 1.51.0.2021
OS = 10.0.19042.2 x64
Mechanism = 3
Account = Standard
Command line = "C:\Program Files (x86)\Dell\Dell Display Manager\ddm.exe" ExpandConstant
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Configuration settings:
LastCheck = 0x0000ACD9
HintShown = 0x00000001
LastRC = ExpandConstant = Invalid command
EApolicy = 2000 2000 2000 2000 2000 2000
AutoRestoreWindowLayout = 0x00000000
EnumErrorCount = 0x00000000
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12:13:22.227...Log opened
12:13:22.232...WinOS = 19042
12:13:22.282...LanguageID = 00000409 00000409 00000409
12:13:22.292...Build = 1.51.0.2021
12:13:22.292...Windows handles = 000201BA 00010166 000101C0
12:13:22.294...OS monitor sleep timeout value = 120 ms.
12:13:22.295...Applied DPI = 96-144
12:13:22.295...VM = 0
12:13:22.296...Registered DDM popup hotkey = Shift+Ctrl+D 6044
12:13:22.296...Registered EA layout MRU hotkey = Shift+Ctrl+Home 6024
12:13:22.297...Registered application window hotkey = Shift+Ctrl+Ins 602D
12:13:22.301...Remote asset management = 1
12:13:22.301...Remote registry service state = 4
12:13:22.434...WMI service state (unless firewalled) = 1
12:13:22.496...DMA = 3
12:13:23.683...Starting enumeration
12:13:23.685......Error: getting physical monitor array (0x00000490) = Element not found
12:13:23.687......Error: getting physical monitor array (0x00000490) = Element not found
12:13:23.699......Status = 00000000
12:13:23.701...Ending enumeration
12:13:23.706...ExpandConstant = Invalid command
12:13:23.780...Video power down timeout = 120
12:13:23.781...User session connect
12:13:23.782...Display powered ON
12:13:28.796...Refreshing screen object
12:13:35.501......Error: getting physical monitor array (0x00000490) = Element not found
12:13:35.503......Error: getting physical monitor array (0x00000490) = Element not found
12:13:35.659......Error: getting physical monitor array (0x00000490) = Element not found
12:13:35.661......Error: getting physical monitor array (0x00000490) = Element not found
12:14:10.384......Error: getting physical monitor array (0x00000490) = Element not found
12:14:10.386......Error: getting physical monitor array (0x00000490) = Element not found
12:14:10.559......Error: getting physical monitor array (0x00000490) = Element not found
12:14:10.560......Error: getting physical monitor array (0x00000490) = Element not found
12:14:19.195......Error: getting physical monitor array (0x00000490) = Element not found
12:14:19.198......Error: getting physical monitor array (0x00000490) = Element not found
12:16:42.937...Refreshing screen object
12:16:43.223......Error: getting physical monitor array (0x00000490) = Element not found
12:16:43.224......Error: getting physical monitor array (0x00000490) = Element not found
12:16:43.225...Attempting to auto-restore window layout...
12:16:48.019......Error: getting physical monitor array (0x00000490) = Element not found
12:16:48.021......Error: getting physical monitor array (0x00000490) = Element not found
12:19:40.667...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
12:19:40.667...Dump: Windows device enumeration
12:19:40.682...Display adapters:
12:19:40.707.....1.Intel(R) HD Graphics 4600
12:19:40.708...Monitors:
12:19:40.711.....1.PnP-Monitor (Standard)
12:19:40.712...Visible monitors = 1
12:19:40.712...1.DeviceName = \\.\DISPLAY5
12:19:40.712.....DeviceFlags = 00000005
12:19:40.713.....DeviceString = Intel(R) HD Graphics 4600
12:19:40.713.....DeviceID = PCI\VEN_8086&DEV_0412&SUBSYS_05A41028&REV_06
12:19:40.713.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{6581EFCF-15DA-11EB-B6CE-00155D0DB7F2}\0000
12:19:40.714...2.DeviceName = \\.\DISPLAY6
12:19:40.714.....DeviceFlags = 00000000
12:19:40.715.....DeviceString = Intel(R) HD Graphics 4600
12:19:40.715.....DeviceID = PCI\VEN_8086&DEV_0412&SUBSYS_05A41028&REV_06
12:19:40.715.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{6581EFCF-15DA-11EB-B6CE-00155D0DB7F2}\0001
12:19:40.716...3.DeviceName = \\.\DISPLAY7
12:19:40.716.....DeviceFlags = 00000000
12:19:40.716.....DeviceString = Intel(R) HD Graphics 4600
12:19:40.716.....DeviceID = PCI\VEN_8086&DEV_0412&SUBSYS_05A41028&REV_06
12:19:40.717.....DeviceKey = \Registry\Machine\System\CurrentControlSet\Control\Video\{6581EFCF-15DA-11EB-B6CE-00155D0DB7F2}\0002
12:19:40.717...Total number of monitors enumerated = 0
12:19:40.717...\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\