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No Signal on the extended display

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mr.3xac7

PCHF Member
Dec 16, 2022
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Need your help, google didn't help.
Short description:
No signal on the extended display
Laptop: Dell xps15 9570
OS: Windows 10
Display: Philips 245E
Details:
  • connection - HDMI
  • it was working before, nothing has changed, after a few days of being turned off just stopped working
  • display is detected by the laptop, I can see it in Display settings. But "no signal" on the actual display.
What have I tried:

  • plugin another laptop to my display - it worked. The display is working fine with other laptops
  • plugin another display to my laptop - it worked. I tried to connect my laptop to a TV using the same HDMI port - it worked
  • switch HDMI cables - no result. HDMI cables seem to be fine
  • reinstall display drivers - no result
  • tried different modes ( extend, duplicate, only pc, only extended ) - same situation in all modes, display is detected but "no signal"
 
Good troubleshooting done already, unfortunately this means that you have covered what would have been suggested I`m afraid :(

Download then run Speccy (free) and post the resultant url for us, details here, this will provide us with information about your computer hardware + any software that you have installed that may explain the present issue/s.

To publish a Speccy profile to the Web:

In Speccy, click File, and then click Publish Snapshot.

In the Publish Snapshot dialog box, click Yes to enable Speccy to proceed.

Speccy publishes the profile and displays a second Publish Snapshot. You can open the URL in your default browser, copy it to the clipboard, or close the dialog box.
 
Another interesting update. I launched OBS, and from OBS I saw there the second the signal is going to the 2nd display, meaning in the OBS preview I can see the windows opening up, and I can drag a window to the extended monitor. But, like before, the actual display is black.
 
I launched OBS,

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