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Find LED's device attached to motherboard?

I have one Victus 15L desktop PC, that has some LED panel attached to the front of case. In Windows I was able to control this LEDs using dedicated software, but this software is not available for ...
User25356's user avatar
0 votes
0 answers
184 views

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 ...
Snehil Shah's user avatar
0 votes
0 answers
377 views

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 ...
AimD's user avatar
  • 1
0 votes
0 answers
258 views

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 ...
just_a_developer's user avatar
0 votes
0 answers
562 views

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 ...
user14094230's user avatar
2 votes
1 answer
283 views

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 ...
nect's user avatar
  • 21
0 votes
1 answer
233 views

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'...
einpoklum's user avatar
  • 9,834
0 votes
1 answer
810 views

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:
Mokee's user avatar
  • 1
1 vote
1 answer
843 views

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 ...
Batuhan's user avatar
  • 113
1 vote
0 answers
125 views

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.
clickerticker48's user avatar
0 votes
1 answer
3k views

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 ...
Łukasz Przeniosło's user avatar
2 votes
1 answer
565 views

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 (...
mFat's user avatar
  • 131
0 votes
2 answers
5k views

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 ...
Inferno_7's user avatar
0 votes
0 answers
311 views

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, ...
computeruser's user avatar
0 votes
0 answers
256 views

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 ...
jailo's user avatar
  • 1
0 votes
1 answer
360 views

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 ...
prbll's user avatar
  • 1
0 votes
1 answer
4k views

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 ...
Jens's user avatar
  • 619
0 votes
0 answers
49 views

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 ...
graille's user avatar
  • 101
0 votes
0 answers
1k views

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:
IMB's user avatar
  • 5,533
0 votes
0 answers
138 views

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 ...
Hans Meiser's user avatar
1 vote
1 answer
177 views

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 ...
bountan's user avatar
  • 13
6 votes
2 answers
9k views

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 ...
gue's user avatar
  • 221
0 votes
1 answer
30 views

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 ...
U. Windl's user avatar
  • 705
0 votes
1 answer
2k views

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 ...
nofish's user avatar
  • 3
0 votes
2 answers
321 views

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 ...
Samarth 's user avatar
0 votes
0 answers
90 views

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,...
CookieWeeb's user avatar
0 votes
1 answer
579 views

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 ...
Bart Friederichs's user avatar
3 votes
2 answers
3k views

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 ...
CREATlVE's user avatar
-2 votes
2 answers
3k views

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 ...
Luke F's user avatar
  • 11
0 votes
0 answers
238 views

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)...
John1990's user avatar
0 votes
1 answer
54 views

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 ...
jimmy5's user avatar
  • 96
1 vote
0 answers
564 views

Connecting RGB LED strip to pc controller

I just bought a computer case Sharkoon pure steel rgb. It comes with 4 rgb fans that connects to a controller according to the following image: After connecting these 4 fans I still have 4 more empty ...
Ben's user avatar
  • 111
0 votes
0 answers
102 views

Is "Dot Pitch" the distance between like-colored LEDs?

My understanding is that LEDs provide backlight in LED displays, while dot pitch is the distance between subpixels on the screen——these two are completely different concepts. But according to New ...
Lily Zhang's user avatar
0 votes
0 answers
34 views

Accessing the Debug LEDs on Dell OptiPlexes

Dell OptiPlex machines have debug LEDs on the front panel that say 1-2-3-4.  How can they be accessed from Linux/Ubuntu?  Perhaps via ACPI commands?
H3wastooshort's user avatar
1 vote
0 answers
696 views

Strange issue with Dell PowerEdge R610 hard drive status lights

I setup a test FreeNAS server the other day on a spare Dell PowerEdge r610 and noticed that the hard drive activity LEDs are always both lit no matter what the server is doing. I have 6 1TB 7.2k SAS ...
Richie086's user avatar
0 votes
2 answers
4k views

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 ...
kyloehre1's user avatar
0 votes
3 answers
2k views

What do CR_DET#_LED and HD_LED mean?

I was looking at a AMPKB-CT (Azure) motherboard. There were two LEDs: CR_DET#_LED, and HD_LED. I am guessing the HD_LED is for the hard drive. It was off, but I could hear the hard drive spinning. ...
user2453676's user avatar
2 votes
1 answer
140 views

My HP PageWide Pro Printer's ethernet port is constantly flashing

The ethernet port LED (green) of my HP PageWide Pro Printer is constantly flashing in a very high frequency. Permanent, it seems to be 24 hours x 365 days even though the printer is not in use most of ...
Matteo's user avatar
  • 21
0 votes
1 answer
4k views

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 ...
Rohan Harish's user avatar
0 votes
0 answers
92 views

Is it okay if the Power LED to flash once while switching on UPS?

My CPUs front panel power LED is flashing once after I powered on the UPS. A 'TUCK' sound is also coming from my speakers. Is that normal or is there any issue with my motherboard?
Harikrishnan's user avatar
1 vote
1 answer
12k views

HP Elitebook Caps Lock blinks erratically, (17, 16, 12 times etc), screen never comes on (8770W)

Who has detailed repair information? I had to replace the motherboard after the old one failed to turn on completely. I've learned that the separate laptop components are all required (modem, ...
Jacob Bruinsma's user avatar
0 votes
1 answer
662 views

PC works fine, motherboard LED blinks when it's off

I had left my desktop PC with an ASUS motherboard plugged in at night (I generally unplug it when I'm not using it) and I noticed it's motherboard LED was blinking. I unplugged it, waited 10 seconds ...
Eärendil Baggins's user avatar
0 votes
2 answers
1k views

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?
Taisho Mori's user avatar
-2 votes
1 answer
355 views

Generic RGB LEDs with Asus AURA compatible motherboard

Will this LEDs stripes work with a Asus motherboard AURA WS2812B 5050 RGB LED Strip 30/60/144 LEDs/M ws2812 IC Individual Addressable 5V [link ebay] My mobo: ROG-STRIX-Z370
Pedro77's user avatar
  • 1,961
0 votes
1 answer
346 views

What RGB Led to use to light PC

I recently build my first pc. I have no RGB lighting in it, didn't want it at the time to look like a circus. But I do have some components that light up. I want to light up the whole a bit more ...
Ravenix's user avatar
  • 291
0 votes
0 answers
40 views

New mainboard faulty?

There is an issue with a new ASRock Z370 Extreme4 mainboard. It does not seem to switch on. Both the 24pin and 8pin (CPU) power cables are plugged in. The LEDs on the (Corsair 100R) case are not ...
fre_'s user avatar
  • 1
-1 votes
1 answer
72 views

Is it possible to program LED strip? [closed]

I bought a LED strip that uses molex connector to work. Is it possible to somehow control the strip from my computer and program it in some way to make it blink, fade etc. Here are few pictures of ...
Nedas's user avatar
  • 103
11 votes
1 answer
5k views

Does raising LCD monitor contrast increase energy usage?

I've got a Dell S23340M - an LCD monitor with an LED backlight, which has built-in options to adjust the brightness & contrast. The monitor features a nifty "Energy Usage" bar that changes as you ...
takanuva15's user avatar
0 votes
1 answer
91 views

How do I correctly wire up a 2-pin panel LED to a 3 prong pinout?

I've just finished building a system around the Asrock E3C236D2I C236 board and am having issues with the hard drive indicator LED and surprisingly all the other LEDs work fine. The pinout for the HDD ...
user3861788's user avatar
6 votes
2 answers
3k views

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 ...
sdlins's user avatar
  • 163