Questions tagged [led]
The led tag has no usage guidance.
159
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What are these white spots/blemishes on my LED Monitor
After about an year I took out my LED monitor (Samsung s20b300). It shows some random white spots on the corner and in the center.
Is there something wront with monitor or it can be some problem with ...
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Editing /sys/class/leds/phy0-led/ configs
I am trying to configure LEDs on my laptop running Xubuntu 14.04.
I found out that there are some configs that affect LED behaviour, located in /sys/class/leds/phy0-led/.
There are 3 relevant files: "...
CommunityBot
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Is it safe leaving monitors turned on (stand by) or could it harm the devices
I was wondering if I could leave my monitors turned on after I’ve turned off my PC, here are some other questions I had:
Does the yellow status LED always suggest the monitor is in standby mode? Every ...
CommunityBot
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HP mute button LED not working
All of a sudden my mute LED stopped working. It was working fine for a while, but then out of the blue, it just stopped. At the same time, I also had an audio driver issue. So, I reinstalled the ...
CommunityBot
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Laptop not turning on and battery indicator led is blinking white
From some months, I have been facing trouble in starting up the laptop (ASUS VivoBook 14 Ryzen 4500U). When I turn my laptop on the battery indicator blinks white (even when plugged in). I can tell ...
CommunityBot
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3
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Are there 3-pin to 2-pin power connectors for motherboards
My (old) case front panel has a 3-pin power led connector (inc. one empty slot in the middle).
My (new) motherboard has a 2-pin power led connector.
How do I connect the two? If I try to connect the ...
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How do I connect this RGB controller?
I have a RGB controller that came with my PC case. It's SATA powered and has 6, 4-pin slots for fans and strips and 1, 4 pin at the top labeled MB.
I assume I can plug that in to the RGB Header on my ...
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How to prevent power led blink on ASUS Prime A320M-K?
My desktop pc's power led (blue light) blinks when it sleeps, and I find it annoying.
I searched on it's BIOS, and found one led setting. I disabled it, but it isn't related to this.
I think that ...
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2
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Changing thinkpad microphone mute LED behaviour
I was wondering and looking if someone has been able to make the following.
Led indicator ON = Microphone ON //
Led indicator OFF = Microphone OFF
I think is the way it should work, not the default ...
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How would I disconnect the GPU LED light?
I have tried
nvidia-settings --assign GPULogoBrightness=0
but the LED doesn't change. It's a Zotac Nvidia GeForce RTX 3060Ti. I have seen Zotac software for Windows only. I run Ubuntu 22.04. But I was ...
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How to control Computer RGB LEDs in Linux
[I asked this on stackoverflow first]
Since I switched to a new AMD Ryzen system my computer lit-up.
All new hardware components seem nowadays to have such fancy(?) RGB-LEDs built in (even in memory ...
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2
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1
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Sk6812 addressable rgbw strip with mobo argb header
I was wondering if I could add an rgbw strip to my pc. I rouled out the 4pin connector for obvious reasons (no channel for w). Then, I saw a 3 pin addressable led strip with rgbw. Is there a way to ...
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Is there a way to use Caps/Numlock led for HD activities? [duplicate]
My laptop has not a hd activity led indicator. So, how could I use some other led (such as my keyboard NumLock or Capslock one) to blink when hd has some activity?
Thanks in advance!
OS: Linux ...
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Can those RGB light strips on RAM DIMMs typically be disabled?
These days, many of the RAM dimm modules one finds available come with gaudy, if not altogether garish, LED strips emitting either fixed-color lights or even cycling through some light pattern. But I'...
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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 can I identify if my LCD screen has an LED backlight?
MY new XPS 15s screen broke so i had it replaced. However i'm having doubts that instead of my normal LED backlit screen I have been given an traditionally backlit screen.
How do I find out ?
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How do I turn off MagSafe light?
When I go to sleep at night, the two green lights (emitting from both sides of the MagSafe connector of my 13" MacBook Air's power adaptor) light up my whole room.
How do I turn these off?
I ...
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Is this a dead pixel on LED panel?
It can be seen on red blue and green backgrounds. I already looked for other questions. I am adding detailed images below about variations of backgrounds.
White Background
Red Background
Green ...
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2
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Disable capslock LEDs light
I'd like to know if there's a way to disable the LED light of my capslock key. I'd like to use it for gaming but everytime I press it the LED turn on and it blinds me.
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How do I turn keyboard light on Qubes?
I tried xset led 3 and xset led on but nothing seems to be working. A simple google search doesn't yield much.
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1
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Tp-link TL-SG116 ethernet jack leds meaning
I have a tp-link TL-SG116 16 port switch. Some of the devices connected to it make the corresponsing jack leds to blink green, while others- amber. I cannot figure out the pattern here. Its not about ...
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1
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Apple LED Cinema Display low resolution on Windows PC
I have an old Apple Cinema Display 27" that has a mini-DisplayPort cable.
To use it with my laptop I've bought a USB-C to mini DisplayPort connector.
On linux I'm getting the full resolution (...
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White dots / blemish in LED monitor repairable?
This 10-year old LED monitor has white dots / blemishes on its screen. Is this still repairable or does the panel needs replacement?
More pics:
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How to make the LED lights in my PC box in my Lenovo Ideacentre Y720 Cube desktop turn off?
I want them off all the time even after restart, there's Lenovo Nerve Center but it turns them off only until a restart (the last time I checked)...
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274
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What does this hp led error code mean?
I have a HP ProBook 6450b that's been stuck in a boot loop with blinking LEDs going on/off. it sat outdoors, and may have gotten some soil dust inside, not sure, but booted up before that. Basically, ...
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The cylinder led on my desktop is on and it’s res
I upgraded my cpu so I had to take apart most of my pc. When I put it back together there was a cylinder and lightning bolt led light that I’ve never seen turn on before. The cylinder is on and it’s ...
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Is it possible and safe to use LED control button for PC restart
I have PC case that has only 2 buttons: power and LED control. My LED is controlled via motherboard software, so i have LED button disabled now. Can i plug it in restart pin on motherboard? Will it be ...
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Disable light sensor of Webcam which lights up LED
I use an external webcam with pre-built LED lights which light up in low-light situations. The light sensor is on the top of the webcam.
The software supplied with the webcam doesn't have a function ...
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What does this undocumented solid red LED (Intel 2.5G LAN) on the RJ45 connection mean?
On a Gigabyte Aorus X570S PRO AX board the RJ45 LAN Port is documented with
Here's what I observe. Note the red speed LED. Both are solid on, the amber Activity LED flickers only momentarily since ...
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9
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Why does my mouse's LED not turn off when I shut down the PC?
Why doesn't my optical mouse's red LED turn off after I shut down my PC?
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PC freeze randomly when playing games
Since last Monday, my friend's computer experience random freezes when he is playing + streaming using OBS. When it happens, he still have the sound, but the image is frozen, the live is going off and ...
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Fan twitches and LEDs blink when computer is plugged in
I just finished assembling a desktop for the first time. The specs are:
Gigabyte GA-H55M-S2H motherboard
Core i3 530 CPU
4 GB DDR3 RAM
1 TB SATA hard drive
500 Watt PSU
As soon as I plug in the ...
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Check LED light color & accuracy using Colormunki display probe
Ok, i have a XRite Colormunki display probe which i use to calibrate my screens using dispcal / Argyll. For a DIY film scanner project I'd like to check several neopixel led matrices I am ...
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Disable power LED blinks during Vista hybrid sleep?
Does anyone know how to disable the blinking power LED when Vista enters hybrid sleep mode? My case has a very bright blue LED that is rather distracting. I'd rather not disable hybrid sleep, as it ...
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How to disable keyboard button toggle light
I have an HP Envy 14, which features several smart function keys to mute sound / mute the microfone / disable the camera. When the function is toggled on, this is indicated by the little LED beneath ...
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Do keyboards have a selftest result indicated by LEDs?
After yesterday's Windows 10 update and reboot, BIOS hung before booting.
As it turned out it's something with the keyboard.
Still I'm unsure whether it's the keyboard (only 30 years old ;-)) or the ...
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How to turn off or disable the middle (scroll) button's light on my mouse?
I just bought a new Canyon optical mouse, but the middle button (scroll button) has a blue light. It distracts me. Is there a way to turn it off or disable it?
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How can I turn off the LEDs on the front of my laptop(ASUS K501LX-NH52)?
Is there a way to turn off the lights on the front of my laptop? My laptop: http://www.newegg.com/Product/Product.aspx?Item=N82E16834232753R. I am currently running a dual-boot of KDE Fedora and ...
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Why are my Keyboard LEDs blinking when shut down?
Recently my keyboard LEDs started blinking when my PC is shut down (see video here, sorry for the quality). Only when the PC is shut down, as soon as I boot they stop blinking.
I think it started ...
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How to turn on/off leds by terminal?
I would like turn on/turn off some of my leds running a command on linux.
I use Ubuntu 12.04 LTS.
I tried
xset led named "Scroll Lock"
xset led named "Num Lock"
xset led 2 (this is the ...
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2
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Does a graphic card needed in led 32 inches normal TV using as monitor
I wanna change my lg 32 inches led TV into a monitor so this screen is much larger than normal monitor so plz suggest me if I have to add some graphics card into this or their is no need to add ...
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Can RGB Fans work without them being lighted up?
i did a small research and still don't if RGB fans can work without the being lighted up. the real question is:
Can i connect only the SATA POWER of the RGB controller? without connecting the MB?
And,...
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1
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What is an OH LED?
My SuperMicro case has an led labeled OH LED. It's in the bundle of wires with the other LED lights and switches. What does that stand for and go to?
CommunityBot
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Dell Latitude 5501 front LED flashing white-amber
I have a Dell Latitude 5501 and since today the front LED started flashing white-amber (1,1). When checking the docs, I find this site from Dell, but the pattern 1,1 is not described.
Connecting or ...
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Calibrations settings stored in monitor
I recently bought new Samsung SyncMaster S22B300B. Its colors were awesome. To play with its settings comfortably using mouse, I installed Samsung MagicTune. There are two calibration options in it. ...
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How can I disable the LEDs on my Gammaxx 400 CPU cooler?
I've bought and installed a Gammaxx 400 CPU cooler:
It works well enough, but there's a problem - on its four corners are annoying shocking-blue LEDs. I want to turn them off! Yet - there doesn't ...
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Flashlight/Bright Light Damaging LED/LCD screen?
It is known that direct sunlight on a LED or LCD screen can cause damage.
Would a flashlight of 110 lumen shining directly on a LCD or LED screen cause damage to the screen?
Would that same 110 ...
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Why does my new LED LCD TV look worse than my CCFL LCD monitor?
At work we wanted a large 1920 x 1080 monitor to use with a certain program. Since monitors with this resolution seem to currently stop at 24", we went for a LCD TV so that we could have 26", and in ...
CommunityBot
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LCD/LED screens; how color affects the power consumption?
I have read on web, for CRTs black color would reduce the power consumption of the monitor but for LCDs it's the white color that reduce the power consumption.
It says "The way LCD's produce black is ...
CommunityBot
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PC won't turn on and the NIC LED flickers for 50 seconds?
So i have had this issue for a while now(mostly after the last cleanup perhaps), but previously it did turn on after just sitting behind the power cord for 5 minutes or so, but now it won't even turn ...
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