Questions tagged [edid]

Questions about *Extended Display Identification Data*, extra data used to report display's capabilities.

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Wrong monitor name, resolution, and refresh rate detected; possibly overriden EDID

Laptop: Asus ROG GL552VW-CN108T Monitor: Iiyama G-MASTERG2530HSU-B1 (max 1920x1080 @75hz) OS 1: Windows 10 Edu (21H2) OS 2: Arch Linux (uninstalled in favor of fresh Windows install, but will set up ...
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How does my computer know the maximum resolution & refresh rate of the display?

So I have a laptop with display of 2560x1440 resolution and 240Hz refresh rate. From my understanding, OS detects supported & preferred resolutions from EDID information. I've used dumpEDID tool ...
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358 views

Plasma UI elements too large due to wrong EDID display size

Yesterday I said farewell to Windows 7 and installed Kubuntu 20.04 LTS (with non-free Nvidia drivers). While the live system UI was sized as expected, once the installed system was booted, the UI was ...
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PC won't recognize Philips TV

When I connect my Windows 10(latest enterprise build) to my old Philips 42PFL3604H/12 the PC/TV via HDMI just won't connect. That's it. The TV won't appear on device manager nor on Nvidia's control ...
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Laptop HDMI output fit to a 3.5" 320/240 px screen

So here is the scoop I have a HDMI from a laptop outputting to a (Adafruit TFP401 HDMI/DVI Decoder: https://learn.adafruit.com/adafruit-tfp401-hdmi-slash-dvi-decoder-to-40-pin-ttl-display/overview) ...
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4 votes
2 answers
15k views

Can I enable HDR on an unsupported display by force?

I'm currently using the latest available Windows 10 version (x64). I have a Gigabyte GTX 750 Ti Windforce 2GB planted in my rig. So basically what I am attempting to find on the internet, Can I ...
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How to start X11 on Ubuntu 16.04 without a device providing EDID info on the display connector?

i have an Ubuntu 16.04 installation and it ran fine for me. so i went on and configured it for SSH and GUI remote access. as the machine now no longer needs a ($100+X value and some power consuming) ...
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Is this really an IPS panel?

I recently bought a used HP EliteBook Folio 1040, which was advertised as having an IPS panel. However, comparing it to my Dell XPS 15, which definitely has an IPS panel, the display seems to have ...
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2 votes
0 answers
1k views

Put one (displayport) monitor to sleep on a multi-monitor system WITHOUT disabling it

I have Windows 7 and an NVIDIA GTX 980 video card. As you know DisplayPort has this stupid autodetect feature which cannot be disabled in the OS, where when you turn a DisplayPort screen off, it ...
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2 votes
1 answer
21k views

Why is my monitor showing up as "Generic Non-PnP Monitor"?

This is a follow-up question to this one. I'm running Windows 7 on a desktop PC with an 27" AOC monitor. When I run the following wmic command to determine the model of my monitor: wmic ...
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How to force 10 bit depth monitor settings?

I just bought a Dell P2715Q, UHD 10-bit depth monitor, but in my Nvidia control panel (both linux & windows) it will only offer a maximum of 8bpc (24/32 bit depth) setting which will not do. ...
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4 votes
0 answers
2k views

Force HDMI output to monitor with corrupt EDID in Windows 10

My TV is not recognised by my windows laptop when i hook it on trough HDMI. I suspect that the EDID registery on my tv is corrupt. The reason for the suspicion is the fact that the TV used to work ...
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1 vote
1 answer
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Extract audio from HDMI signal and output to DVI-D & analog audio?

I'm trying extract audio from an HDMI signal. Specifically, the monitor I'm using has no speakers and only has a DVI-D input, and I would like to play the audio track on a set of external speakers. I ...
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1 answer
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EDID signal with DVI Splitter

I have a computer and two monitors (with different sizes and resolutions) and I want to connect them to the PC via a DVI Splitter. My doubt is: how do you define the EDID "signal" in this setup? The ...
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Video driver + resolution fix on Windows 8.1

I have an engineering laptop (quad core IB, intel HD4000 graphics, VGA output). Intel don't do a specific "Intel HD 4000" driver for Windows 8.1 x64, they let Microsoft produce a driver instead. I ...
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58 votes
1 answer
7k views

How can I view a list of all monitors connected in the past?

I'm usually connecting my laptop to a larger screen. I'm away from my desk for a few days and I'd like to know what model of monitor that is. I just remember the manufacturer, size and and native ...
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Monitor EDID gone, cant override P2350

i have a P2350 Samsung 1080p monitor, but it is not recognised anymore in Windows, when connecting via DVI. In Ubuntu i at least get signal, but with wrong resolutions. So far i found out, that there ...
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2 votes
0 answers
3k views

What settings are being modified when you change the resolution on the desktop monitor for the first time?

I have a web UI running on a box that can change the desktop resolution on windows 7. To do so, it shells out to qres. Pretty standard. I have its HDMI out port going into a GEFEN HDMI detective plus, ...
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1 vote
3 answers
4k views

What is the EDID for a Silo SL-42V1 (4K TV)

What is the EDID for a Silo SL-42V1? The local Fry's has this 4K TV for relatively cheap (probably because it doesn't have all the embedded "smarts" of high-end TVs that really belong in replaceable ...
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1 answer
4k views

How to emulate EDID on HTPC so it can be run headless

as my title, i need some way to make my HTPC think there is a screen connected, because when i connect to it thrue VNC or Teamviewer the screen is all black when there is no screen connected. so my ...
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1 answer
888 views

Encode 1920x1080 into edid format

The EDID format specifies "byte 38: X resolution, divided by 8, less 31 (256–2288 pixels, value 00 is reserved and should not be used) byte 39: X:Y pixel ratio: 00=16:10; 01=4:3; 10=5:4; 11=16:9." ...
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1 vote
0 answers
319 views

Lock/Fix Windows XP Screen Resolution

I am looking for a method to lock the screen resolution of a Windows XP machine. The resolution would be device independent meaning the system should ignore any EDID information that will be passed by ...
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2 votes
1 answer
3k views

Changing Windows' perceived native resolution

Is there any way of changing Windows' perceived native resolution? The reason for asking, is that I would like to use 1440x900 resolution on my retina macbook (2880x1800 native), in order to achieve ...
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2k views

How can I configure Windows to use the correct resolution for a standard definition TV (SDTV)?

Introduction I know someone who has a laptop and wants it to output video to a TV. I bought a cheap cable to connect its VGA output to one of the TV's composite video inputs. The seller of the cable ...
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1 vote
1 answer
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Digimate monitor listed as Generic non PnP, unable to increase resolution

Very recently my desktop decided to suddenly downgrade my lovely 1680x1050 resolution to a paltry 1024x768. The monitor in question is a 22" Digimate L-2280WD. I'm currently using it on a Windows 7 ...
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1 answer
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I need a hardware or software solution for guaranteeing a particular video output resolution and refresh rate on a computer running MS Windows 7?

I'm looking for a solution to reliable fixed output resolution and refresh from a Windows 7 PC. Ideally a hardware solution, i.e. a particular motherboard (maybe with LVDS) or a BIOS or graphics BIOS ...
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2 votes
1 answer
6k views

Force screen resolution to its maximum in Windows

I have a Samsung SyncMaster SA100 monitor which I got after my good old CRT failed. The CRT had a maximum supported resolution of 1024x768 and the Samsung has 1366x768. However, when I connect the ...
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1 answer
5k views

Nvidia: force 1920x1080 as an option

Proprietary Nvidia (290) on gentoo here. I'm running Nvidia TwinView with two 1680x1050 monitors here. Now I want to hotplug between HDTV and one of the monitors. Almost good, but since Nvidia reads ...
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9 votes
3 answers
14k views

Faking monitor EDID information

My monitor is sort of finicky. Sometimes I run a program that cycles through resolutions and the monitor will refuse to give its EDID information for a few days: (/var/log/Xorg.0.log) [ 239.653] (...
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