Linked Questions

0 votes
0 answers
63 views

How Install Ubuntu 21.04 (Desktop) on Raspberry Pi 4 using Serial Console? [duplicate]

Hello how can I install ubuntu desktop 21.04 on raspberry pi 4 using serial console? I want to use the Raspberry Pi 4 UART pins to communicate using TTL to USB convert device to my windows 10 OS using ...
Max Dax's user avatar
54 votes
4 answers
290k views

How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)

My Pi3 serial console produces rubbish and fails to respond to the keyboard.
Milliways's user avatar
  • 60.3k
3 votes
3 answers
4k views

RPi 4 -- Garbage on serial console (UART) using upstream kernel

I'm experimenting with upstream kernel and now I try to get serial console working. I'm getting only garbage symbols when I try to communicate: I think it is important to notice that I only get ...
aryndin's user avatar
  • 201
2 votes
2 answers
13k views

Pi 4 does not see SD. Can't boot from SD-card

My Rpi 4 doesn't see the SD-card. I have switched SD-cards, formatted them all correctly. Also used both Raspian and Noobs. Nothing helps because it does not see the cards. Every 'solution' on the ...
Maurice L's user avatar
0 votes
2 answers
3k views

How to enable console via uart1 in yocto for raspberrypi3 image

I'm using Yocto-dunfell for getting custom my Raspberrypi3 image. Here I want to enable serial-console via uart1. for that I have given change in my files- local.conf: ENABLE_UART = "1" ...
Prashant's user avatar
0 votes
2 answers
2k views

The Raspberry Pi 4 2GB does not boot 32-bit Raspbian images

I've just bought a Pi 4 2GB and previously used a Pi 3 B+ (still using it on a dedicated project). Raspberry Pi OS 32 bit systems will not boot. I tried the same SD card on a Pi3 and it boots fine. I ...
Furkan's user avatar
  • 11
2 votes
1 answer
3k views

Pi 3 model B+ won't boot

I was using this specific Pi for over a month now without any issues. Today, out of the blue, the screen started flickering. I decided to shut it down. When I replugged it, the green led wasn't ...
user3371927's user avatar
0 votes
0 answers
4k views

Can RaspberryPi 4 output display on USB 3 port?

I have multi-computer setup with couple of Windows, a RaspberryPi 2, and a Mac. I use a Dell D6000 docking station which can connect computers on USB C and USB B 3. Unfortunately for my Pi2, I always ...
Vipin's user avatar
  • 1
2 votes
0 answers
3k views

Headless Raspberry Pi 4 model B won't connect to internet via WiFi or Ethernet

I've been flashing and re-flashing my SD card to no avail. The annoying things is that it was able to connect to the WiFi network on first start-up, and then it decided never to connect to the ...
rob's user avatar
  • 121
1 vote
0 answers
2k views

How to access Serial Console on Rtaspberry Pi CM4?

I have a RPi CM4 Lite and IO Board. I am trying to access serial console using USB to TTL Rs232 Module Converter Serial Cable Adapter Serial cable. I have connected Black wire to pin 6(Ground), White ...
Preeti 's user avatar
  • 131
0 votes
2 answers
477 views

Cannot connect to UART via USB

I am trying to connect to a raspberry pi zero (and a pi3) via uart and USB (USB to TTL YP-01) I am connected to pin 8, pin 10 and a ground. tx -> rx, rx -> tx I have tried everything on this url ...
brad's user avatar
  • 109
0 votes
2 answers
226 views

How can I remotely access the command line on my Raspberry Pi without Wifi?

For a project I'm doing with a Raspberry Pi Zero, I need to access raspi-config, compile some software, and do funky stuff with systemctl. With my other projects, I've always either SSHed into the Pi ...
apropos's user avatar
  • 111
0 votes
1 answer
222 views

Raspberry Pi 4B wont start, 0 long blinks 1 short blink

This is what happened: I ordered a Pi 4B a few months ago, but never used it since I still had a Pi Zero running. On powering it up, the Pi 4B wont start. I am using the HDMI0 output The SD Card ...
Appa's user avatar
  • 1
0 votes
1 answer
116 views

Restore WiFi settings on headless Pi after a failed attempt at setting up a hotspot

I just followed the instructions given here for setting up a wireless hotspot to connect to my Pi with. However, I think I must have done something wrong. As I am using a headless Pi, and have no ...
Lucas's user avatar
  • 101
0 votes
2 answers
64 views

UART and AP Question [closed]

I have a wifi access point that I need to connect to via UART/SERIAL as the console rj45 is broken. I have a USB UART cable on the way but it’s going to take a while to get here. Is there any way I ...
Nick Carlton's user avatar

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