Dell P2425HE Display Manager 2.3 for Windows Users Guide - Page 89

Dell monitors not supported by DDM, Unable to detect supported Dell monitor

Get Dell P2425HE PDF manuals and user guides View all Dell P2425HE manuals
Add to My Manuals
Save this manual to your list of manuals

Page 89 highlights

Dell monitors not supported by DDM DDM may not work with the following monitors: • Dell monitor models not included in DDM for Windows supported list. For more information, see https://www.dell.com/support/ddm • Monitors not listed in DDM for Windows support list. Virtual and wireless monitors do not support DDC/CI Unable to detect supported Dell monitor In the following scenarios, Dell Display Manager might not be able to communicate with the monitor. 1. The primary monitor has turned on Multi-Monitor Sync (MMS). 2. The monitor is busy with color calibration. 3. The monitor has Screen Partition turned on. 4. DDC/CI is turned off. If DDM cannot identify or establish communication with a compatible Dell monitor, follow these steps to troubleshoot: 1. Make sure the video cable or USB upstream cable is properly connected to your monitor and your computer. Ensure all the connectors are correctly connected to the ports. 2. Check the monitor OSD to ensure DDC/CI is enabled. Unable to connect to Network KVM If you encounter difficulty connecting to a remote computer through Network KVM, follow these troubleshooting steps: 1. Verify the firewall settings and confirm that all Dell Display Manager items are enabled. 2. Ensure that all applications permitted to communicate through Windows Defender Firewall are selected. 3. Reach out to your network administrator and confirm that all network ports (default 5566, 5567, 5568) are open for both inbound and outbound communication. Troubleshooting │ 89

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
Troubleshooting
│
89
Dell monitors not supported by DDM
DDM may not work with the following monitors:
•
Dell monitor models not included in DDM for Windows supported list. For
more information, see
•
Monitors not listed in DDM for Windows support list. Virtual and wireless
monitors do not support DDC/CI
Unable to detect supported Dell monitor
In the following scenarios, Dell Display Manager might not be able to communicate
with the monitor.
1.
The primary monitor has turned on Multi-Monitor Sync (MMS).
2.
The monitor is busy with color calibration.
3.
The monitor has
Screen Partition
turned on.
4.
DDC/CI is turned off.
If DDM cannot identify or establish communication with a compatible Dell monitor,
follow these steps to troubleshoot:
1.
Make sure the video cable or USB upstream cable is properly connected to
your monitor and your computer. Ensure all the connectors are correctly
connected to the ports.
2.
Check the monitor OSD to ensure
DDC/CI
is enabled.
Unable to connect to Network KVM
If you encounter difficulty connecting to a remote computer through
Network
KVM
, follow these troubleshooting steps:
1.
Verify the firewall settings and confirm that all Dell Display Manager items are
enabled.
2.
Ensure that all applications permitted to communicate through Windows
Defender Firewall are selected.
3.
Reach out to your network administrator and confirm that all network ports
(default 5566, 5567, 5568) are open for both inbound and outbound
communication.