Questions tagged [act]
For questions involving the Pi's SD card activity LED (labelled ACT). Use this tag where the LED's operation is relevant, for example if the LED is functioning incorrectly, or may be indicating a problem with your Pi.
20
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ACT LED stops blinking, Raspberry Pi booting and reading from card as always
I couldn't find a similar situation. I noticed that the ACT LED on the motherboard of my Raspberry Pi 4 stopped working. I used to see it blinking while restarting the Pi, now it's gone. It is ...
- 21
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0
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29
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Raspberry pi 4 1 short 1 long blinks
I have a Raspberry pi 4 model B, have been using it for more than a year. A few days ago it started having problems. After 10/20 seconds from startup it gives an error pattern that looks like 1 short ...
- 11
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108
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Raspberry Pi 4 model B not booting, no Act light - hardware fault diagnose help
I have purchased a preowned (due to supply shortage) Raspberry Pi 4 Model B 2Gb RAM variant. To my disappointment it is not booting up.
The green ACT light blinks once very quickly, on connecting the ...
- 101
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0
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343
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Raspberry pi 4 Model B green light is consistently glowing when power is given
It was working fine and i shut it of and all of a sudden its blank the power light is lit which is a good sign but the act(green) light is lit too its not blinking which is not good. Tried every ...
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1
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187
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ACT Light of Raspberry Pi is not ON continuously
I am having problem while working with Raspberry Pi Model B 4GB.
When I turn on the power of Raspberry Pi the power LED (red) turns on but the ACT LED (green/yellow) just flashes two times and ...
- 1
0
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1
answer
58
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I inverted 2 GPIO pins. Is pi4 dead?
friends. I plugged in an LCD screen using single cables and accidently inverted the two top pins, numbers 1 and 2 as per the image reference. So 1 on the screen went into 2 from the Pi and vice versa. ...
-1
votes
1
answer
325
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Raspberry pi 3B+ not booting up ( ACT light / green light doesn't blink at all)
I have an old raspberry pi 3B+. After a long time, I tried to use it. I found raspbian stretch image file in an old archive. So I wrote it in a 32GB microSD card and tried to boot the pi. But the ACT ...
- 101
2
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0
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346
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ACT led blinks 4 times
My raspberry pi 3 B won't boot. The ACT led blinks 3 times, then it blinks once longer than before, then repeats.No signal on 7" touch display, no signal at HDMI, config.txt hasn't been messed with....
- 21
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2
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3k
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RPi 4B ACT solid green
I am new to raspberry pi and I recently decided to get RPi 4B.
Anyways, I was doing a small project and when I finished, I pulled the jumper wires from the breadboard and the wire connected the GND ...
- 23
1
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3
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416
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Raspberry Pi 3 Model A+ Faint green pinprick light steady flashing
I just loaded an SD Card with Raspbian lite for the Pi3 Model A+.
It does the normal rainbow screen splash, followed by the 4 raspberries and a blinking cursor underneath. The pi never completes its ...
- 129
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1
answer
100
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Normal Work of RPi 3B+
I am newbie and i want to understand watching only on indicators, is Rpi 3 B+ work quite well?
I mean, are green and red lights should glowing both permanently together or red light can glows ...
- 133
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0
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970
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Raspberry Pi Zero W not booting(ACT green led weak blink)
Raspberry Pi Zero W ACT green led weak blink and not booting. But sd card is working in Raspberry pi 3. Stretch and Jessie installed but both did not work
What is the problem? SD card Samsung
Video:
...
0
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1
answer
1k
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raspberry pi no rainbow screen
I have an another problem. My RPi (3 model B+) not booting. No ACT led, no rainbow screen, only PWR led.
Here is what i checked:
- Power supply (Raspberry Pi Universal Power Supply 2.5A, 5.1V Micro ...
- 29
1
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2
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3k
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Act LED flashing 3 times quickly after boot
The ACT LED on my Raspberry Pi 3 B+ is flashing three times very quickly after boot.
I am not able to connect via ssh (the error message is "Connection Refused" – despite ssh being enabled), but I am ...
- 23
-1
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1
answer
279
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Pi3 Act blinks once, no boot
I have got a problem with my Paspberry Pi 3 that my girlfriend put away on a drawer.
I cant boot it any more, I have tried the SD card in another pi, and it boots, even tried a diffrent SD card that ...
1
vote
1
answer
775
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Raspberry Pi 3 will not load SD Card
I have a very strange problem and have gone through 2 pi's atm. I have Raspberry Pi 3, I put an OMV imageon it [1]. The first time I boot up the Raspberry Pi it outputs and has a Kernal error:
I try ...
- 11
2
votes
1
answer
314
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Raspberry Pi 3 Model B will not read SD Card
I have a new Raspberry Pi 3 and wanted to download OMV onto it, however, I can not get the Pi to read my SD card.
I have two different SD cards that I have tried but the ACT light never turns on.
...
- 21
2
votes
1
answer
1k
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Pi 3 on-board LEDs
Can I make one of the LEDs on the Ethernet port do the same thing as the ACT led?
The case I've got my Pi in, does not allow me to see the ACT led so I do not know when its okay to cut the power ...
- 129
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4
answers
3k
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Can't turn on ACT LED on baremetal Pi3
I'm trying to run some bare-metal code on my raspi 3. This is my first time doing any sort of bare-metal programming, so first things first I want to turn on my ACT led as a kind of hello-world type ...
- 153
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1
answer
850
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Green Led (ACT) is blinking for mmc0 without SD card activity
The green led (ACT) on my Raspberry Pi 3 is set to mmc0 to flash on SD card activity via
echo mmc0 |sudo tee /sys/class/leds/led0/trigger
However, it flashes much more often (randomly every few ...
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