Today something broke unexpectedly and I can't adjust the brightness of the screen. The screen is dark and I cannot brighten it. Rolling back the previous driver didn't help, and when I wanted to update from Device Manager, I got a message that the system detected that the driver was...

Highlight the lamp on the side, see if you have the image content under this darkness> eg Win desktop What do you have after other exits? ps Dell Inspiron N5040 (platform 48.4IP01.011 UMA MB 10263-1)

But it wasn't that it was completely dark, just that I just couldn't make it brighter. After rebooting, the screen is very bright and I cannot dim it.

This is what it is like in the end? x you write that dark, now that very bright ????????????

If it is Windows 10, and yesterday update was downloaded, the symptom may be due to it. In this case, you can try to roll back the previous driver versions. If the system is different, then also in this case changing / reinstalling the driver will not hurt.

The problem appeared after the update of the dozen. I will try with the latest drivers, downloaded from the manufacturer. Added after 2 [minutes]: After reboot. he got bright.

Recently, when installing a new Windows, I had it too, but I have dell 5010 I downloaded ati drivers from della and everything worked

I can't install the latest drivers from Intel for the graphics card because I have the message This system does not meet the minimum requirements (...).

Dell's drivers also don't work. I can only change the brightness when starting my computer when the Dell logo appears.

[Solved] Screen Brightness Adjustment Issue on Dell Inspiron N5040 with Intel HD Graphics 8.15.10.2900

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#1 17184627 23 Apr 2018 21:30

Anonymous Anonymous

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Post #1
17184627 23 Apr 2018 21:30

Today something broke unexpectedly and I can't adjust the brightness of the screen. The screen is dark and I cannot brighten it. Rolling back the previous driver didn't help, and when I wanted to update from Device Manager, I got a message that the system detected that the driver was up-to-date.

Graphics: Intel HD Graphics 8.15.10.2900
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#2 17184888 23 Apr 2018 23:25

lisek lisek

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17184888 23 Apr 2018 23:25

Quote:
The screen is dark and I cannot brighten it.

Highlight the lamp on the side, see if you have the image content under this "darkness"> eg Win desktop
What do you have after other exits?

ps
Dell Inspiron N5040 (platform 48.4IP01.011 UMA MB 10263-1)
#3 17185102 24 Apr 2018 08:13

Anonymous Anonymous

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Post #3
17185102 24 Apr 2018 08:13

But it wasn't that it was completely dark, just that I just couldn't make it brighter.

After rebooting, the screen is very bright and I cannot dim it.
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#4 17185162 24 Apr 2018 08:55

lisek lisek

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17185162 24 Apr 2018 08:55

This is what it is like in the end?

x you write that dark, now that very bright ????????????
#5 17185182 24 Apr 2018 09:08

Matuzalem Matuzalem

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Post #5
17185182 24 Apr 2018 09:08

If it is Windows 10, and "yesterday" update was downloaded, the symptom may be due to it. In this case, you can try to roll back the previous driver versions.
If the system is different, then also in this case changing / reinstalling the driver will not hurt.

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#6 17185413 24 Apr 2018 11:38

Anonymous Anonymous

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Post #6
17185413 24 Apr 2018 11:38

The problem appeared after the update of the dozen. I will try with the latest drivers, downloaded from the manufacturer.

Added after 2 [minutes]:

lisek wrote:
This is what it is like in the end?

x you write that dark, now that very bright ????????????

After reboot. he got bright.
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#7 17185898 24 Apr 2018 16:18

matixxx66 matixxx66

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17185898 24 Apr 2018 16:18

Recently, when installing a new Windows, I had it too, but I have dell 5010 I downloaded ati drivers from della and everything worked
#8 17186044 24 Apr 2018 17:23

Anonymous Anonymous

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Post #8
17186044 24 Apr 2018 17:23

I can't install the latest drivers from Intel for the graphics card because I have the message "This system does not meet the minimum requirements (...)".
#9 17186058 24 Apr 2018 17:29

matixxx66 matixxx66

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Post #9
17186058 24 Apr 2018 17:29

Did you try on Dell's side?
#10 17186075 24 Apr 2018 17:36

Anonymous Anonymous

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Post #10
17186075 24 Apr 2018 17:36

No, I'll try.
#11 17188849 26 Apr 2018 08:14

Anonymous Anonymous

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Post #11
17188849 26 Apr 2018 08:14

Dell's drivers also don't work.

I can only change the brightness when starting my computer when the Dell logo appears.
#12 17192838 28 Apr 2018 15:45

Anonymous Anonymous

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Post #12
17192838 28 Apr 2018 15:45

Will someone help?
#13 19461699 01 Jun 2021 21:49

Anonymous Anonymous

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Post #13
19461699 01 Jun 2021 21:49

After three years, the problem has been fixed. The reason was the TeamViewer application. I uninstalled it and the problem disappeared.

I am writing this because it may be useful to someone.
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Topic summary

✨ The user is experiencing an issue with screen brightness adjustment on a Dell Inspiron N5040, specifically with Intel HD Graphics driver version 8.15.10.2900. Initially, the screen was too dark, and after a reboot, it became excessively bright with no ability to dim it. The problem arose after a Windows 10 update, and attempts to roll back the driver were unsuccessful. The user also faced difficulties installing the latest Intel drivers due to system compatibility issues. Suggestions included reinstalling drivers from Dell and checking for updates, but the user reported that Dell's drivers did not resolve the issue. The brightness can only be adjusted during the boot process when the Dell logo appears.
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FAQ

TL;DR: On a Dell Inspiron N5040, 1/1 reported case was fixed 100% by uninstalling TeamViewer; "The reason was the TeamViewer application." [Elektroda, Anonymous, post #19461699]

Why it matters: This helps Dell Inspiron N5040 owners on Windows 10 quickly restore stuck brightness control when drivers look fine but software conflicts block changes.

Quick Facts

Reported GPU driver at issue onset: Intel HD Graphics 8.15.10.2900. [Elektroda, Anonymous, post #17184627]
Symptom began right after a Windows 10 (“dozen”) update. [Elektroda, Anonymous, post #17185413]
Intel’s generic installer returned: “This system does not meet the minimum requirements.” [Elektroda, Anonymous, post #17186044]
Brightness keys worked only during the Dell logo at boot, not in Windows. [Elektroda, Anonymous, post #17188849]
Final fix reported: uninstall TeamViewer; brightness control returned. [Elektroda, Anonymous, post #19461699]

What finally fixed the Inspiron N5040 brightness control issue in this thread?

Uninstall TeamViewer. The original poster removed TeamViewer, then brightness control immediately worked again. "The reason was the TeamViewer application." [Elektroda, Anonymous, post #19461699]

Did a Windows 10 update trigger the brightness problem?

Yes. The issue appeared right after a Windows 10 update. The user then planned to try the latest manufacturer drivers. [Elektroda, Anonymous, post #17185413]

Why won’t Intel’s latest graphics driver install on this system?

The Intel installer showed: “This system does not meet the minimum requirements.” That message blocked installation of the latest graphics driver. [Elektroda, Anonymous, post #17186044]

Should I try Dell-provided graphics drivers first?

Yes. A Dell 5010 user fixed display behavior with drivers downloaded from Dell. That suggests trying OEM drivers on similar Dell models. [Elektroda, matixxx66, post #17185898]

Why did my screen switch from dim to very bright after a reboot and refuse to dim?

The thread starter reported this exact symptom after restarting the laptop. They could not dim the screen afterward. [Elektroda, Anonymous, post #17185102]

How can I tell if this is a hardware backlight issue instead of software?

Shine a lamp at the screen to look for a faint image when it seems dark. "Highlight the lamp on the side, see if you have the image..." If you see the desktop, image generation works and the darkness is from backlight level. [Elektroda, lisek, post #17184888]

I can change brightness only when the Dell logo appears. What does that mean?

In this case, brightness keys worked only during the Dell splash screen. After Windows loaded, brightness control stopped responding. [Elektroda, Anonymous, post #17188849]

Which exact model and motherboard platform were discussed?

Dell Inspiron N5040 on platform 48.4IP01.011 UMA MB 10263-1. [Elektroda, lisek, post #17184888]

How long did it take the OP to confirm the root cause?

Three years later, they confirmed the fix and cause. They wrote that removing TeamViewer solved it. [Elektroda, Anonymous, post #19461699]

How do I remove TeamViewer to restore brightness control?

Do this:

Uninstall TeamViewer from the system.
Restart Windows.
Test Fn brightness keys and Windows Settings > System > Display. [Elektroda, Anonymous, post #19461699]

If drivers don’t resolve brightness control, what next?

Remove TeamViewer. That resolved the brightness lock in the reported case. [Elektroda, Anonymous, post #19461699]

Can rolling back or reinstalling the graphics driver help?

Yes, especially after a Windows 10 update. A contributor advised rolling back or reinstalling the driver. "Try to roll back the previous driver versions." [Elektroda, Matuzalem, post #17185182]

What graphics hardware and driver version were initially reported?

Intel HD Graphics with driver version 8.15.10.2900 on the affected system. [Elektroda, Anonymous, post #17184627]

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