Questions tagged [backlight]
The backlight tag has no usage guidance.
132
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Backlit keyboard: does the illumination circuit still receive power when turned off?
I'm looking for a non-backlit keyboard. There are some, I found them, but since nowadays almost every keyboard comes with backlight in stock, I was wondering if the switch shuts it off completely.
...
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F5 key broken on HP Pavillion laptop keyboard, how to access the the keyboard backlit toggle option tied to it through settings or any software?
I have a HP Pavillion Laptop running windows 10 - out of warranty.
So, the F5 key that is broken and it is linked to the toggling keyboard's backlight(its a monochrome white colored light). The repair ...
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1
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Is my monitor CCFL or LED Backlight?
I opened up my monitor. I am not familiar with how to detect CCFL vs LED backlight. Can someone assist and explain why it is either CCFL or LED?
Here is an image of the inside of my monitor:
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How to completely disable ASUS laptop keyboard backlight (even when in sleep)?
I've used FN+F2 to turn off the keyboard backlight. This works while the PC is awake.
But when the PC is put to sleep mode, the keyboard backlight still glows on and off. How do I also disable this ...
user1655234
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Backlight broken or not? Dell XPS 13inch
curious if anyone knows (or can guess) whether my problem is hardware or software related?
In the attached picture you will notice that I have a dark grey band on the right side of my screen. It ...
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Can I use code to control the LEDs in my MacBook keyboard backlight?
I would like to have my MacBook keyboard backlight LEDs light up responding to the keys I press. For example, if I press a key, it should have something like a ripple effect around it with backlights. ...
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How to know what's causing screen backlight to fail? Dell XPS 13 9370
I have a Dell XPS 13 9370 laptop which has an issue with its LCD screen backlight. The computer works perfectly with an external screen and you can see that the built-in display works (e.g. against a ...
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1
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Enabling keyboard lights in Fedora 35
I am running Fedora on a (by now pretty old) Sony Vaio notebook, and the keyboard lights stopped working after an update many years ago. I now upgraded to Fedora 35 to install the vaio-control-center, ...
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HP Elitebook 850 G3 notebook display very dark, no backlight
I have a problem that is similar to the one described a long time ago in this question: My HP Elitebook 850 G3 suddenly (from one day to the next) doesn't seem to show anything on its display. Only a ...
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Change percentage of increase and decrease of screen brightness
Currently I work in manjaro on a laptop with KDE, the problem that appears to me is the following:
Increasing or decreasing the screen brightness goes from 7 to 7.
But I need the increment to be 5 by ...
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How do I fix my Asus Zenbook Pro 15 UX550GE's backlit keyboard?
I have had this issue for months now, and I don't remember whether or not it happened after I got the laptop back from a screen repair or after some type of Windows 10 update. Basically, I've done ...
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Not able to change backlight pattern on HyperX Alloy FPS Pro on Mac
I'm using HyperX Alloy FPS Pro Tenkeyless keyboard and I'm not able to change the backlit pattern on it. I'm using this on Mac OS(Catalina).
Shortcut I'm using: Fn + Right Arrow Key.
I even tried to ...
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Thinkpad 370 max brightness reduced after Windows update
An automatic Windows update caused by LCD backlight to no longer output its full brightness, even when set to 100%. Basically, what used to be 70% is now 100%. This is a very frustrating problem to ...
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How to adjust backlight on a laptop
I have an HP laptop and I am not satisfied on the brightness of the screen. The screen brightness setting is already at maximum. Is there a way how to adjust backlight of a laptop.
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Software control of display illumination on hardware level?
I'm using an old ThinkPad R60 as my daily workhorse. It works like a charm, has IMHO the best keyboard in the world, and is rugged as hell thanks to its magnesium endoskeleton. Only the display is a ...
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How to increase backlit time in Dell Inspiron 5590
I am using Dell Inspiron 5590 it has backlit keyboard . But the keyboard light turning off after 30 seconds how to increase the time to 60 seconds or more
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How to change keyboard backlight color from blue to white in Dell G3 15 laptop
I recently bought Dell G3 15 Laptop from flipkart. The specifications says RGB Backlit Keyboard. But by default, the color is blue. How can I change the color to white? I couldn't find anything in ...
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Latitude 7390: No intel_backlight directory, can't adjust backlight
I've been searching the 'net for an hour or two now about this problem, but the 9370 apparently uses some weird implementation of i915.
I'm running Fedora 32 and i3, so I'm using Xorg.
Here's what I'...
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Windows 10 - Display backlight randomly and automatically turns off, only turns back on when the keyboard 'turn-off display' button is pressed
I'm having this problem for quite a while now. The backlight of the display of my laptop, a Lenovo Yoga 500-14IBD, running Windows (10 Home 1909), randomly shuts off. The behaviour is similar to the '...
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Controlling keyboard's backlight in Windows 10
Is there anyway I can control keyboard's backlight? In Windows 10 in general or for my Dell Latitude 7290 in particular?
My Dell has a great keyboard's backlight feature, but it turns it off after ...
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How to tell what part in a Macbook Pro is broken if screen backlight don't work?
I have an early 2015 Macbook Pro that don't have a backlight in the screen. However I can still use the mac if I plug in to a monitor. I'm wondering if it is a problem with the screen or some other ...
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How to change keyboard backlight timeout setting in Windows?
I have a HP Pavilion 15-bc513TX 2019 laptop. The keyboard backlight goes out after a few minutes in the dark.
How can I change the keyboard backlight settings for my computer running Windows?
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Is this backlight lamp failure? (inverter already replaced)
Issue:
Boots normally, but the backlight only flashes on momentarily.
Observations:
Prior to failure the backlight had occasionally turned off completely, corrected by rebooting.
A week before ...
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1
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how to change the keyboard backlight timeout in Ubuntu OS for HP Pavilion Laptop
I have a HP Pavilion 15-bc513TX 2019 laptop. The keyboard backlight goes out after a few minutes in the dark.
How can I change the keyboard backlight settings for my computer running Ubuntu?
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Keyboard Backlight not Working on Arch Linux
I've recently bought an HP Pavilion laptop, sent evil Windows to hell and installed Arch Linux. After several hours of work, everything's fine - except the keyboard backlight. The backlight and the ...
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1
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Can't control brightness from xfce
Okay so at first I thought I needed to configure kernel because I wasn't able to adjust brightness, however, I can adjust brightness directly using file /sys/class/backlight/intel_backlight/brightness....
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1
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LCD screen back light not working
Short story: The screen back light of my Lenovo IdeaPad 700-15ISK-88IP7000671 failed (the LCD works). I changed the LCD cable and then the whole LCD,without success.
Long story: My laptop LCD started ...
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is the backlight in older monitors worrysome?
is the backlight in older monitors worrysome? I'm using a flatron w1934s as my second monitor and I heard that there's some Mercury and I'm afraid of potential leakage. The image has been flickering ...
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Dell XPS 13 9370: screen brightness changes based on window contents
On my new Dell XPS 13 9370, it seems that the display backlight brightness is adjusted based on the brightness of whatever's on the screen.
For example, say I have Sublime Text open with a dark theme,...
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Backlight Bleeding , Flash lighting on Brand New Asus Laptop
I bought an ASUS VivoBook E12 E203NAH-FD057T (Intel Celeron Dual Core N3350 / 4GB / 500GB / 11.6" HD LED just three days back.
I noticed that it has a severe back light bleeding / flashlighting issue ...
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114
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Laptop's backlight turns on with Integrated GFX, but not Discrete GFX
I have an MSI GT72 from 2014. A few weeks back, the MXM GTX980M died.
Since then, I have been able to use the computer just fine with only the integrated GPU.
Today, we installed a new MXM GTX980M. ...
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Cannot change brightness of Dell backlit keyboard
I'm using a Dell Inspiron 5547 laptop --and the usual way to change the brightness of the backlit keyboard is to use the F10 key. I recently replaced my laptop keyboard, and ever since I'm not able to ...
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My laptop screen dims when a dark image is shown onscreen
I have a Windows 10 Dell XPS 15 (9530) laptop which is working fine except for the fact that when plugged in (not on battery) the screen dims whenever I view a dark image/content on the screen.
Note ...
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Dell Inspiron 15 7000 Gaming (Red): can I change the color of the backlit keyboard?
I just received a Dell Inspiron 15 7000 Gaming laptop. It's awesome so far! I'm just really confused on how to change the backlighting on the keyboard. It's default is red. I like the red, but on the ...
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Replacement of laptop screen, back light issue
I have laptop with broken screen.
When I accidentally broke the screen it shattered with cracks, and everything went white with some colorful stripes but after some minutes screen started to flicker ...
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3
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Turn off keyboard backlight when shutting down Linux
I bought a backlit keyboard a few days ago, and I have a problem with it:
When I shut down my PC from Linux, the keyboard backlight stays on after the PC turns off,
but when I shut down my PC from ...
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3
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Change Keyboard backlight timeout time
How to increase the timeout second/time in Windows 10.
There is no option in control panel > Hardware & Sound > Keyboard.
I have also checked the windows mobility center no keyboard option ...
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ThinkPad X300 - no backlight issue
I got a ThinkPad X300 on a flee market, it's great but there is one problem - the screen is extremely dark because the backlight doesn't turn on.
I removed the ThinkPads screen frame cover and took ...
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Can't set backlight brightness
I'm trying Arch Linux and I'm stuck with this problem: I can't set the brightness of my laptop display.
I read https://wiki.archlinux.org/index.php/backlight and other troubleshooting pages about this ...
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Screen backlight function keys in Arch linux
Recently I installed Arch on my ASUS UX31LA. Most of function keys works fine except F5 and F6 (screen backlight keys). I tried to do some research on arch wiki, but couldn't find any page for my ...
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Keyboard backlight not working: Acer Aspire R13 R7-372T
I recently bought an Acer Aspire R13 R7-372T Laptop. I noticed that the keyboard backlight was never on. I tried the keyboard shortcut to increase the backlight brightness but to no avail. I tried ...
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Can I change the keyboard backlight?
I recently bought a Dell Inspiron 15 7559. It has a backlit keyboard, with 3 brightness settings. Is it possible to customize the colors, or can it only be white?
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turn on/off backlit "xset led 3" with "scroll lock"
i'm buy a mechanical keyboard for my computer, i'm using kali linux rolling 2016.2
i'm forget to read the compatible driver for my keyboard.and that's only compatible in windows 10 and mac.
after i'm ...
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Open SUSE missing kernel-devel headers
I am trying to make a custom API for maintaining the backlight of the computer, however, as the examples suggest, the "backlight.h" is to be included, and there is no such a file on my Open SUSE ...
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Setting PWM Backlight brightness on boot
I am working with Linux version 3.10.17, using device tree to boot the kernel.
In the device tree, I define a "pwm-backlight" compatible driver. The driver defines a variable, default-brightness-...
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Laptop dimming display on dark backgrounds
My Acer laptop running Windows 10 has a very annoying feature: when running on battery, the LCD backlight dims gradually when displaying a dark screen and brightens gradually when displaying light ...
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Asus N76VM backlight keyboard doesn't work
so i just bought an asus N76VM and the backlit doesn't work, i upgraded to win10 an re-installed all the drivers (atk package, keyboard filter...) and still not working, the keyboard doesnt light up ...
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Samsung Series 7 backlit keyboard issue on Windows 8
I upgraded to Windows 8 and the keyboard back-light doesn't work. The mode of the laptop is np700z7c-s02uk
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Asus laptop, keyboard backlight not working
I have a N56JR Asus laptop and I upgraded it from win 8.1 to win 10 (using the automatic procedure, not a clean install) keyboard backlight doesn't work anymore. I tried uninstalling the ATK package ...
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Why do laptop manufacturers turn off only the backlight not the whole LCD?
I have two laptops, one Macbook and one Lenovo. If I press the Brightness Down button repeatedly, eventually the backlight is turned off completely. The Lenovo also has a shortcut key to turn off the ...
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