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.

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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....
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0answers
124 views

Raspberry Pi 4 cannot boot and 4 flashes

I bought a raspberry pi 4 nine months ago, it has worked correctly without problems, but this week it cannot boot anymore. When the power turns on, the green ACT light flashes four times, and ...
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1answer
296 views

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. ...
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82 views

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 ...
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0answers
574 views

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: ...
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1answer
232 views

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 ...