To improve HP Compaq dc7900 performance and stability under Windows 10 follow instructions in this post at 5:21 PM. Disable autodetection of monitors in Windows 10 by creating a registry key:.Is only capable of transmitting data in one direction from the computer to the monitor, which means computer is not able to read Extended Display Identification Data (EDID) from the monitor and thus unable to identify the monitor.Makes the PC - monitor interconnection very sensitive to both the total cable length and cable/adapter quality.However passive DP - DVI Single Link adapter: The Multimode support means that the DisplayPort interface can accommodate a DVI or VGA monitor through the use of an optional external adapter, which can be an active powered or a passive not powered adapter. ■ Intel Graphics Media Accelerator 4500 (integrated graphics controller) ■ Intel Q45 Express chipset - consists of a Q45 Graphics Memory Controller Hub (GMCH) and an 82801 enhanced I/O controller hub (ICH10-DO). The system is not supported by HP under Windows 10. I presume, in the text below, you have an SFF and monitors are plugged into the integrated graphics card. You have not specified form factor of your computer nor which graphics card-integrated or discrete-you are using to connect your monitors. The main display is not detecting during start up, only after 10-15 minutes after the computer has been running.' The Monitor is connected via a display port to HDMI connection. TheGreatLiger1985 wrote: 'HP DC7900 Running Windows 10.

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