Windows 10: Second monitor detected but blank

Product: HP ENVY All-In-One 27-B1XX
Operating System: Microsoft Windows 10 64-Bit

I have a second monitor connected to my all in one desktop. It was working fine till recently start to blinking

but now it's black

The second monitor is showing in my device manager and display setting

I have tried to update the graphic card

I have tried to use the monitor on another computer it's working fine and the HDMI cable as well



When I start the computer the second monitor shows the HP logo but once the windows starts it show HDMI Signal:Inactive and then it goes to sleep

System info:

System Model HP ENVY All-in-One 27-b1XX

Processor IntelR CoreTM i7-7700T CPU @ 2.90GHz, 2904 Mhz, 4 Cores, 8 Logical Processors

Installed Physical Memory RAM 16.0 GB

Nvidia Geforce GTX 950m driver



Please help

Thanks




:)

 

Second monitor detected but blank

OK!

First in Windows display porperties, click Identify Displays. You should see 1 on your laptop and 2 on your external display.

If nothing shows up then you should go to Intel control panel, there you can setup multiple displays to either extend or clone the main display.

 

Second monitor not detected

Hello,

May we know if you've already tried the suggestion provided by Robert Aldwinckle on forums on this

thread?

If Windows can't detect your second monitor, it's usually a driver problem. It could be due to your video driver being outdated, incorrect or faulty. It's also possible that your monitor driver is causing the problem.

Since the issue occurred after the latest update, it's possible that the video or monitor drivers require an update. Try looking for the updated version of the drivers on the device manufacturer's website and follow their instructions.

If the issue persists, try to roll back the drivers to the last good configuration. To do that, you may follow these steps:

• Right-click the Start button and select Device Manager.
• Right-click your device driver, select Properties, and browse to the
  Driver tab.
• Press the Roll Back Driver option if available, and Windows 10 will begin the process.

Let us know how it turns out.

 

Second monitor detected but blank

Slicendice, thanks again for your help.
Since my graphics card is NVidia GTX 1070, I can't install the Intel graphics control panel. It looks for an integrated Intel GPU.

Is it possible that I don't have an integrated Intel GPU on the motherboard?

If not, the solution is to make the system recognize the integrated Intel one.
Currently, I only see NVidia. If I try to install Intel graphics driver, it get the "your system doesn't meet the minimum requirements for the driver" error.