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What the Heck is Wrong with my Laptop Monitor?

  
 
Sirfishalot
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p.1 #1 · What the Heck is Wrong with my Laptop Monitor?


I bought this inexpensive HP laptop a while back to use for CNC and other programs that can’t run on Mac. I tried several calibrations and assigning different ICC profiles to no avail. It still has this funky color cast which you can see compared to an external monitor connected to it. I can’t remember if it was like this from day 1.
While I don’t use it for photography per se except for printing via Lightroom sometimes, it pretty annoying. It has a Radeon AMD graphics card. Could installation of a new driver take care of the problem?

Thanks,
JayT














Oct 19, 2025 at 12:41 PM
dienliv
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p.1 #2 · What the Heck is Wrong with my Laptop Monitor?


Looks like it's missing almost all the red from RGB. That has to be a monitor hardware issue.


Oct 19, 2025 at 12:45 PM
CharleyL
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p.1 #3 · What the Heck is Wrong with my Laptop Monitor?


Have you tried switching the monitor cable connections? Doing this should tell you if it's the monitor or the card. Could be either, but my bet is on the monitor.

Charley



Oct 19, 2025 at 07:44 PM
Sirfishalot
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p.1 #4 · What the Heck is Wrong with my Laptop Monitor?


CharleyL wrote:
Have you tried switching the monitor cable connections? Doing this should tell you if it's the monitor or the card. Could be either, but my bet is on the monitor.

Charley

Not sure what you mean by that. The laptop is only connected to the monitor to show the difference between normal and mis-colored laptop screen. It looks like that without any external connected to it.



Oct 19, 2025 at 10:41 PM
Pixelwasser
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p.1 #5 · What the Heck is Wrong with my Laptop Monitor?


What ist the productname of your HP? It could be that the panel only has 60% of the RGB colours.


Oct 19, 2025 at 11:19 PM
EB-1
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p.1 #6 · What the Heck is Wrong with my Laptop Monitor?


I would delete all of the color profiles and calibration software and reinstall. But that is about the worst display I've seen in over 10 years since the old TN panels. Are you sure it had a discrete graphics card or maybe that is an iGPU? Which HP model and CPU does it have?

There are some simply display tests here. https://display-test.app/

EBH



Oct 20, 2025 at 12:30 AM
q-w-z
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p.1 #7 · What the Heck is Wrong with my Laptop Monitor?


There is almost no red visible.
Hardware issue (with LCD flex or something...)
even worst current panels, which covers around half of sRGB space will have red.



Oct 20, 2025 at 01:09 AM
CharleyL
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p.1 #8 · What the Heck is Wrong with my Laptop Monitor?


I meant, to try connecting the offending monitor to a different source. In other words, swap the monitors to see if the problem moves with the monitor or the good monitor then suddenly shows bad. This would be a good test to see if the problem is your video card or the monitor. You can then take steps to fix the problem and not just blame the monitor.

Charley



Oct 20, 2025 at 09:46 AM
 


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jwpstl
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p.1 #9 · What the Heck is Wrong with my Laptop Monitor?


Kind of hard to do since the monitor is built-in to the laptop.

CharleyL wrote:
I meant, to try connecting the offending monitor to a different source. In other words, swap the monitors to see if the problem moves with the monitor or the good monitor then suddenly shows bad. This would be a good test to see if the problem is your video card or the monitor. You can then take steps to fix the problem and not just blame the monitor.

Charley




Oct 20, 2025 at 10:37 AM
EB-1
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p.1 #10 · What the Heck is Wrong with my Laptop Monitor?


It's probably the flexible connector to the display or in the display. Depending on the age and value of the laptop it may be worth fixing or not.

EBH



Oct 20, 2025 at 01:32 PM
Sirfishalot
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p.1 #11 · What the Heck is Wrong with my Laptop Monitor?


Pixelwasser wrote:
What ist the productname of your HP? It could be that the panel only has 60% of the RGB colours.


It is a HP Laptop 15-ef2013dx



Oct 20, 2025 at 10:49 PM
EB-1
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p.1 #12 · What the Heck is Wrong with my Laptop Monitor?


That was a low end laptop even 3-4 years ago, so probably not worth fixing professionally. If it is only the panel you can find a new one for about $110 and perhaps fix it yourself.

EBH



Oct 21, 2025 at 12:00 AM
Pixelwasser
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p.1 #13 · What the Heck is Wrong with my Laptop Monitor?


Here you might find some instructions to do it on your own https://www.ifixit.com/Device/HP_15-ef


Oct 21, 2025 at 12:42 AM
LeoPizzo
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p.1 #14 · What the Heck is Wrong with my Laptop Monitor?


I can think of two possible scenarios.
1- Monitor gamut too narrow.
2- Incorrect calibration.

All "low-end" laptop monitors have poor color rendering (each brand names it differently; Dell calls it NTSC), and almost all laptop monitors have a bluish tint when newly purchased.

Have you tried calibrating without assigning a white balance point?
Laptop monitors usually don't respond well to changes in the white balance point.
What calibrator/software are you using?
DataColor, X-Rite/Calibrite?
DisplayCal or a native application?
Another thing to avoid is trying to align with the calibration of another monitor.

Of course, we assume that the second monitor is calibrated correctly (with the same caveats mentioned above).



Oct 21, 2025 at 01:08 AM
jeffbuzz
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p.1 #15 · What the Heck is Wrong with my Laptop Monitor?


Did you accidentally enable color blindness filters in Windows accessibility options?


Oct 23, 2025 at 12:57 PM







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