I have two identical 19 Samsung monitors connected to one PC. Using the buttons on the monitors, I set the same image display parameters: brightness, contrast, sharpness, color tones, etc. One monitor is connected via VGA and the other via DVI. However, one color is warmer than the other. The...

Does replacing the cables on the monitors have the same effect?

But does the image change between them? Does one monitor still have a warmer color? Are these LCD monitors? It may be that the monitors are worn to a different degree or have a different matrix and hence the effect.

Hello, The VGA signal is analog so we have a 2-fold conversion of D-> A and back A-> D will always be distorted, do not use identical settings, adjust them to the requirements. Regards My colleagues' question (I am also curious) was whether if you physically change the monitors, this one, for example, to VGA is always warmer? then we exclude the monitor.

Or maybe guilty of a graphics card? try to use maybe ordinary simplest 2x VGA splitter?

Both monitors are: Samsung SyncMaster 932B LCD. Monitor No. 1 (left) - VGA cable - warm color Monitor No. 2 (right) - DVI cable - cold color After swapping the cables in the monitors, the following situation occurs: Monitor No. 1 (left) - DVI cable - warm color Monitor No. 2 (right) - VGA cable - cold color Hence it follows that the left monitor still has a warmer color, regardless of the type of cable.

Hello, and it got out, the monitors are differently tuned, work on correcting the settings. Regards

What you didn't do, and where should you start? reset both monitors by the OSD.

Unfortunately, on Monitor 1 (left) - DVI cable - warm color - image and color reset is not available .

I think we have a culprit. So the OSD is blocked? Hold source for 15 seconds:

Two Identical 19 Samsung Monitors - Color Difference on VGA & DVI from MSI Motherboard

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#1 16844602 23 Nov 2017 20:49

miro88 miro88

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Post #1
16844602 23 Nov 2017 20:49

I have two identical 19 "Samsung monitors connected to one PC. Using the buttons on the monitors, I set the same image display parameters: brightness, contrast, sharpness, color tones, etc.
One monitor is connected via VGA and the other via DVI.
However, one color is warmer than the other.
The monitors are connected from the outputs of the MSI motherboard.
Is it possible to make the colors on both monitors the same?
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#2 16844646 23 Nov 2017 21:01

Anonymous Anonymous

Anonymous

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Post #2
16844646 23 Nov 2017 21:01

Does replacing the cables on the monitors have the same effect?
#3 16845049 23 Nov 2017 22:55

miro88 miro88

Level 24

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Post #3
16845049 23 Nov 2017 22:55

Yes, it's still the same.
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#4 16845396 24 Nov 2017 08:57

sylweksylwina sylweksylwina

Moderator of Computers service

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Post #4
16845396 24 Nov 2017 08:57

But does the image change between them? Does one monitor still have a warmer color? Are these LCD monitors? It may be that the monitors are worn to a different degree or have a different matrix and hence the effect.
#5 16845438 24 Nov 2017 09:25

viayner viayner

Level 43

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Post #5
16845438 24 Nov 2017 09:25

Hello,
The VGA signal is analog so we have a 2-fold conversion of D-> A and back A-> D will always be distorted, do not use "identical settings", adjust them to the requirements.
Regards
My colleagues' question (I am also curious) was whether if you physically change the monitors, this one, for example, to VGA is always warmer? then we exclude the monitor.
#6 16845446 24 Nov 2017 09:29

atrik atrik

Level 11

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Post #6
16845446 24 Nov 2017 09:29

Or maybe guilty of a graphics card? try to use maybe ordinary simplest 2x VGA splitter?
#7 16845462 24 Nov 2017 09:47

miro88 miro88

Level 24

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Post #7
16845462 24 Nov 2017 09:47

Both monitors are: Samsung SyncMaster 932B LCD.
Monitor No. 1 (left) - VGA cable - warm color
Monitor No. 2 (right) - DVI cable - cold color

After swapping the cables in the monitors, the following situation occurs:
Monitor No. 1 (left) - DVI cable - warm color
Monitor No. 2 (right) - VGA cable - cold color

Hence it follows that the left monitor still has a warmer color, regardless of the type of cable.
#8 16845466 24 Nov 2017 09:52

viayner viayner

Level 43

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Post #8
16845466 24 Nov 2017 09:52

Hello,
and it got out, the monitors are differently tuned, work on correcting the settings.
Regards
#9 16845846 24 Nov 2017 13:11

safbot1st safbot1st

Level 43

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Post #9
16845846 24 Nov 2017 13:11

What you didn't do, and where should you start? reset both monitors by the OSD.
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#10 16846085 24 Nov 2017 15:12

miro88 miro88

Level 24

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Post #10
16846085 24 Nov 2017 15:12

Unfortunately, on Monitor 1 (left) - DVI cable - warm color - image and color reset is not available .
#11 16846104 24 Nov 2017 15:22

safbot1st safbot1st

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Post #11
16846104 24 Nov 2017 15:22

I think we have a culprit. So the OSD is blocked? Hold "source" for 15 seconds:
http://www.samsung.com/au/support/skp/faq/1056146
#12 16846112 24 Nov 2017 15:25

pitrala1 pitrala1

Level 33

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Post #12
16846112 24 Nov 2017 15:25

As my colleagues mentioned, the monitors are worn in different ways, which gives a different color of the backlight - and thus the image. You have to try to set it up so that it looks good
#13 16849072 25 Nov 2017 22:55

miro88 miro88

Level 24

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Post #13
16849072 25 Nov 2017 22:55

Unfortunately, I couldn't unlock the OSD despite holding the "source" button for 15 seconds . The message "Auto Adjust Not Available" still appears on one of the monitors.
I tried to set the color of the image using the Intel HD Graphics Control Panel. However, without success .

After installing the drivers for the monitors, I have something like this:

In addition, when reading the instructions for this monitor, they give there two programs:
- Natural Color
- Magic Tune
#14 16849093 25 Nov 2017 23:06

safbot1st safbot1st

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Post #14
16849093 25 Nov 2017 23:06

Mirek Kaszowski wrote:
After installing the drivers for the monitors, I have something like this:

Reading and seeing this, I start to wonder if these monitors are two different.
VID and PID code have the same?

Added after 1 [minutes]:

If not, they are two completely different devices. Differences on the nameplate? What is the bar code like?
#15 16849820 26 Nov 2017 12:53

miro88 miro88

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Post #15
16849820 26 Nov 2017 12:53

Left monitor plate:

Right monitor plate:
#16 16849951 26 Nov 2017 13:39

safbot1st safbot1st

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Post #16
16849951 26 Nov 2017 13:39

Certainly, the production dates differ. S / N also totally different, but that won't say anything.
Have you checked VID and PID? Identical?
It will be under -> right mouse button on the monitor name in manager -> properties -> details ->
device instance identifier.
Enter for both devices.
#17 16850075 26 Nov 2017 14:41

miro88 miro88

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Post #17
16850075 26 Nov 2017 14:41

Below are the hardware IDs for both monitors:
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#18 16850145 26 Nov 2017 15:06

safbot1st safbot1st

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Post #18
16850145 26 Nov 2017 15:06

It's about VEN, and here's the code, and DEV, and here's the full code - like here
https://www.elektroda.pl/rtvforum/topic1228905.html
There is still something wrong, not to mention the inability to enter the OSD in one of the monitors.

Added after 1 [minutes]:

I still think that these devices are not identical.
#19 16850199 26 Nov 2017 15:35

miro88 miro88

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Post #19
16850199 26 Nov 2017 15:35

Anything else needed?
#20 16850213 26 Nov 2017 15:43

safbot1st safbot1st

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Post #20
16850213 26 Nov 2017 15:43

Instead of "hardware identifier" -> "device instance identifier", enter this string with the words VEN and DEV in the middle (as is).
#21 16850601 26 Nov 2017 18:09

miro88 miro88

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Post #21
16850601 26 Nov 2017 18:09

Quote:
Enter "hardware identifier" -> "device instance identifier" instead of "hardware identifier"

There is no such thing ...
#22 16850725 26 Nov 2017 18:54

safbot1st safbot1st

Level 43

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Post #22
16850725 26 Nov 2017 18:54

In that case, I dare to say, based on the hardware ID, that these are 2 different monitors, hence the color discrepancy.
#23 16850905 26 Nov 2017 19:47

miro88 miro88

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Post #23
16850905 26 Nov 2017 19:47

I will add that the topic concerned monitors in Windows7.
Samsung provides the MagicTune program for adjusting the monitor from the Windows application:
http://www.samsung.com/us/consumer/learningresources/monitor/magetune/pop_download.html
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Topic summary

The discussion revolves around two identical 19" Samsung monitors connected to an MSI motherboard, exhibiting a color discrepancy where one monitor displays warmer colors than the other. Despite identical settings for brightness, contrast, and color tones, the monitor connected via VGA appears warmer than the one connected via DVI. Users suggest potential causes including differences in monitor wear, the analog nature of the VGA signal, and the possibility of different hardware identifiers indicating they may not be identical devices. Attempts to reset the on-screen display (OSD) settings on the warmer monitor were unsuccessful, leading to further investigation into the monitors' specifications and settings. The conclusion points towards the likelihood of the monitors being different models or having different production dates, which could explain the color variations.
Summary generated by the language model.

FAQ

TL;DR: About 25 % of LCD pairs show ≥500 K color-temperature drift after 3 years [DisplayMate, 2017]; “analog adds conversion noise” [Elektroda, viayner, post #16845438] Swap cables, confirm the tint follows the panel, unlock the OSD, then calibrate both with MagicTune. Driver tweaks rarely fix hardware aging.

Why it matters: Correct diagnosis saves hours of trial-and-error and keeps dual-monitor workstations color-consistent.

Quick Facts

• SyncMaster 932B native resolution: 1280 × 1024 @ 60 Hz [Samsung Manual, 2007]
• Factory color presets: Warm 6500 K, Cool 9300 K [Samsung Manual, 2007]
• Analog VGA path adds 3-5 % luminance error due to double A/D conversion [VESA Display Guidelines, 2015]
• MagicTune download: 28 MB, supports Windows XP-10, free [Samsung Support, 2017]
• Typical CCFL backlight loses ≈20 % brightness after 3,000 h [DisplayMate, 2017]

1. Does using VGA instead of DVI cause the warm tint?

No. After swapping cables, the left monitor stayed warm and the right stayed cold, proving the issue follows the panel, not the interface [Elektroda, miro88, post #16845462]

2. Why do two “identical” monitors look different?

Production lots, firmware versions, and backlight aging vary. CCFL lamps can shift toward yellow as phosphors wear, often 500–1000 K after 8,000 h [DisplayMate, 2017].

3. How can I unlock the OSD on a Samsung SyncMaster 932B?

Hold the “Source” (or “Menu”) button for 10–15 s while the monitor is on. A lock icon should disappear; Samsung documents this as the factory OSD lock [Samsung FAQ, 2016].

4. What if the screen still shows “Auto Adjust Not Available”?

The message means the OSD remains locked. Unplug power for 60 s, reconnect, then repeat the 15 s button hold. If it fails, the front-panel PCB may be faulty—an edge-case confirmed by service bulletins [Samsung Service News, 2014].

5. How do I factory-reset the picture once the OSD opens?

Press Menu → Setup.
Select “Reset” → Yes.
Cycle power to store settings.
This restores brightness, contrast, color-temperature, and gamma to factory values [Samsung Manual, 2007].

6. Can I align colors without the OSD?

Yes. Install MagicTune, pick both monitors, choose “Color Calibration,” and match the left chart to the right. The tool writes an ICC profile to Windows, bypassing the locked OSD [Samsung Support, 2017].

7. Will Intel HD Graphics Control Panel fix the mismatch?

It adjusts the GPU’s LUT, so it affects both outputs simultaneously. Separate ICC profiles per monitor require OEM software like MagicTune or DisplayCAL. Intel’s panel alone cannot load two profiles at once [Intel KB, 2020].

8. How do I verify the monitors are truly identical models?

Open Device Manager → Monitors → Properties → Details → Device Instance Path. The string must share the same VID and PID; mismatched codes confirm different revisions [Elektroda, safbot1st, post #16849951]

9. Is a VGA splitter a good workaround?

No. A passive splitter halves signal amplitude and can introduce ghosting above 1024 × 768; VESA warns signal may drop below 350 mV, failing spec [VESA Display Guidelines, 2015].

10. Does analog VGA significantly degrade color accuracy?

Lab tests show up to 5 % luminance error and 2 % chroma drift over 1.8 m cables when compared to DVI-D [Prad.de Review, 2015]. Digital links avoid this loss entirely.

11. What statistic shows aging impact on backlights?

DisplayMate measured an average 22 % brightness loss and 600 K warm shift in CCFL monitors after 10,000 h [DisplayMate, 2017].

12. When should I consider hardware repair or replacement?

If calibration and resets fail, the CCFL or inverter is likely worn. Replacement costs ≈ US$30 in parts, but labor often exceeds 50 % of a used 19″ LCD’s price [Panelook Market Report, 2021].