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DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE UPDATE
DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE DRIVER
DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE MAC
DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE WINDOWS

So try doing some of those things and see if the display comes alive.

on invoking Option-(Detect Display) button in Displays preferences (from another display).

at insertion of the Mac-end of the display-cable, provided everything on that cable is ready-to-go.

This query is only sent at certain times: Otherwise, the display will not be shown as present, and no data will be sent to the display.

DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE MAC

To get a Mac display to become active, you need the Mac to query the display, and the display to answer with its name and capabilities. I know the cable works (Mini-DP to DP) because I am typing this response on a MS Surface connected to the monitor mentioned.Īny help or advise would be appreciated! Thank you,ĭisplayPort (family) is vastly preferable over HDMI is all cases when your display has both. I'm wondering if this has to do with the fact the monitor's DP input is DP 1.4 and the mac is not compatible with that? I can even see the display named as Dell 27 S2721DGF. Here I can see and adjust available resolutions of the external display. Entering powersave in 4 minutes." I'm also able to "gather windows" in the Display Settings in System Preferences. However, my display continues to say "No DP signal detected.

DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE WINDOWS

I am attempting to connect via a miniDP to DP cable with a reported maximum throughput of When I connect the two, my mac acknowleges that an external display has been connected and lets me drag my windows "off screen" onto where the external display would be. The monitor uses a DisplayPort 1.4 (full size). The monitor's maximum settings are 2560x1440 at 165Hz. I am attempting to connect my early 2014 Macbook Air to this Dell monitor (S2721DGF).

I've changed the resolution, refresh rate and just about every setting I can possibly find for this monitor and it all makes no difference, the issue remains.Dell 27-inch Monitor - S2721DGF / Early 2014 Macbook Air Hello,.

Now its the same size, as if Windows is no longer receiving information about the screen size

Interesting observation here though is that the screen used to show as a "larger" screen than my laptops screen on the "Rearrange your displays" section.

I deactivated the P2419H screen from the Display Settings window and re-activated it.

DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE DRIVER

I deleted the registry keys for the configuration, scale factor and connectivity of the graphics driver as some others on forums have suggested.So it feels like there is a particular problem with the "Pairing" of these two devices for some reason Plugged the P2419H and Precision laptop back together.I tried another monitor too just to be sure and that one also worked fine.

No noticable issues, the new monitor worked fine for over an hour without issue.

Connected the Precision laptop to a different monitor.

No noticable issues, the screen stayed on for 10 minutes without issue.

Connected the P2419H monitor to a different laptop.

Updated the Intel UHD Graphics Driver again after the reinstallĪt this point everything was the same, with the flickering still happening, so I tried the following:.

I was hoping that a reinstall of Windows would fix the issue with the screen, but it hasn't.

DELL 24 MONITOR NO DP SIGNAL FROM YOUR DEVICE UPDATE

I have since factory reset my Precision 7540 (much to my annoyance) as using the Dell Command Update application corrupted my network devices and I had no choice but to reinstall windows (Code 56 Class error). This is happening every 20 seconds or so. This does not appear to coincide with any updates or anything. Yesterday, all of a sudden, the screen starts flicking to black and sometimes saying that there is no HDMI signal or scanning for signal. DELL-Admin) with my Precision 7540 laptop via HDMI for well over a year, if not 2 with absolutely zero issues. I've been using a P2419H ( 3 year warranty expired November 14, 2021.