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Questions tagged [edid]

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

EDID (Extended Display Identification Data) is a data structure that displays send to devices they are connected to. EDID contains various fields that can be used to determine display's capabilities and distinguish specific displays.

Notable fields supported by EDID 1.3:

  • Manufacturer ID
  • Manufacturer product code
  • Serial number
  • Date of manufacture
  • Video input parameters
  • Maximum supported resolution
  • Display gamma
  • Supported energy conservation modes
  • Supported color modes
  • Supported resolutions

More detailed description of the EDID structure is available in the Wikipedia article on EDID.

32 questions
58
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1 answer

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 resolution. I know that Windows remembers previously…
gronostaj
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9
votes
3 answers

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] (II) fglrx(0): Restoring Recent Mode via PCS is not…
amphetamachine
  • 1,697
6
votes
2 answers

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 enable HDR on an unsupported display? I tried searching…
Maarten
  • 61
4
votes
0 answers

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 with my previous laptop (which is unfortunately…
BDP1
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3
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0 answers

Is 1080p 60Hz a minimum display mode required by a modern PC BIOS?

I've been happily using Dell 2007FP displays for ages. The highest display mode they support is 1600 x 1200 at 60Hz. This was always enough for BIOS setup screen, until now. I just booted an ASRock NUC-125H R2 motherboard and the BIOS screen is in…
Paul Jurczak
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3
votes
1 answer

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 desktopmonitor get Caption, MonitorType, MonitorManufacturer,…
Hashim Aziz
  • 13,835
2
votes
1 answer

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 the 2x pixel perfect effect. Setting the…
user3116084
  • 21
2
votes
1 answer

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 Samsung monitor, the maximum resolution detected by…
Manu
  • 121
2
votes
0 answers

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 later) Monitor and Laptop are connected with…
WarningSign
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2
votes
0 answers

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 disappears from the system, which jumbles up all my…
Ash
  • 21
2
votes
0 answers

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, in order to allow it to run headless and still…
Dan P
  • 41
1
vote
3 answers

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 external boxes) and I'm curious how well it would…
Mutant Bob
  • 382
1
vote
0 answers

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 any monitor. Example: Windows XP resolution set…
user37520
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1
vote
1 answer

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 x64 Pro build with 8GB RAM and a 1GB GTX 460.…
user140542
1
vote
1 answer

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 to dump my EDID information and here are the…
user3618431
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