Questions tagged [troubleshooting]
Referring to troubleshooting (a form of problem solving) issues with the Pi or related to the Pi.
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0answers
16 views
Raspberry won't boot (even after replacing sd and power supply)
I was working on my raspberry over ssh, and then I lost connection with it.
So then I saw that when it boots the red lights turns on while the green light doesn't light on and there is no display.
...
1
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1answer
28 views
raspberry pi dies when I connect UB wifi adapter
I bought an USB wifi dongle recently and I want to connect it to my Raspberry Pi. When I connect USB wifi to Raspberry Pi, it seemingly dies - the SSH connection dies and I can't ping it (I don't ...
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0answers
57 views
Resilio Sync vanishes without notice
I have a raspberry pi 3 here with the latest (for today ;-) raspbian on it. Also the latest version of resilio sync 2.6.3.
I have installed it so that it will automatically start at boot etc.
When ...
0
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0answers
30 views
Connecting Raspberry Pi Zero W to wifi [duplicate]
I've just set up a Raspberry Pi Zero W - my first Raspberry Pi. I've loaded Raspbian into it without trouble, but I can't connect it to WiFi. It can find my home network easily, and lets me key in ...
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1answer
3k views
How to update Chromium on RPi 3B+?
I'm brand new to Pi, and I found that the Raspberry Pi chromium is not as updated as standard Chromium. Thanks in advance.
EDIT:
For clarification, I am on Raspbian 2.5 (Nov. 2018) on a Raspberry Pi ...
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2answers
34 views
When under load, the system is unresponsive except for a ping
I've got a Raspberry Pi 1 Model B that has been my trusty workhorse for a few years. It normally chugs away happily running transmission, pi-hole and a node.js app simultaneously.
All of a sudden it'...
2
votes
1answer
581 views
Help with installing zbar
I was hoping someone on here who's familiar with zbar could help me install it properly? Here's what happened: (I'm running Stretch on the Raspberry Pi 3 Model B).
I download the file from here: ZBar ...
0
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0answers
106 views
RPi freezes at booting. Log screen attached
I'm working on a project where I have a couple of RPis recording some audio. Recently the devices stopped working and after probing I found out that devices stops at following screen while booting, ...
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2answers
85 views
Raspberry PI 3 freeze for some hours and afterwards its working
I've a strange issue with my raspberry pi 3:
The raspberry is working fine, after a while the raspberry stops working for about 5 hours. Afterwards the raspberry recovers itself (without rebooting!) ...
1
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1answer
937 views
segmentation fault python
I was trying to install the opencv with TBB in a new virtual environment. So I have two virtual environments and a base environment. Before this compiling, the base environment was working well, with ...
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1answer
164 views
How do I change the desktop wallpaper on my Pi. I am using Jessie.
I have a number of images shown for my wallpaper in preferences but whatever I click on, does not change the wallpaper.
I want to go back to the Raspberry Pi image and when I click on that image ...
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2answers
414 views
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 ...
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0answers
245 views
Raspberry Pi 3 crash after few hours running
I need your advice on troubleshooting my Pi 3B crashes.
I set it up to run some crypto mining programming; it was running constantly fine for over few weeks. Recently, it keeps crashing after every 5-...
0
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1answer
73 views
SDA1 gpio test reports 0 when nothing is connected and i2cdetect -y 1 detects all addresses active?
I am fairly new to raspberry pi so if I am not providing enough information please let me know. Im working with a new Raspberry Pi 3.
My issue is that the command i2cdetect -y 1 is returning all ...
1
vote
1answer
503 views
Raspberry Pi Internet Issues
On my raspberry Pi 3B, attempting to access the internet for downloads fails. Anything that uses it (chromium, apt-get, etc) does not work, giving errors such as DNS server not found, or just hanging. ...
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0answers
41 views
Detect a “crash” electrically or mechanically
Is there a mecahnical or electrical way to find out if a raspberry pi 3b has crashed? measuring voltage at a certain pin or similar?
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0answers
285 views
Mednafen Troubleshooting (specifacally SNES and Gameboy Advance)
I am trying to use mednafen and mednafee to run retro games on my raspberry pi. The NES games work great, and so do the Gameboy Color and Gameboy games, but I am having trouble with the SNES and GBA ...
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1answer
79 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 ...
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2answers
24 views
Raspberry Pi 3 Wont show any power LEDs
I just was lucky enough to win a Raspberry Pi 3 at a school fair. I inserted an SD card with the boot image and gave it power. However, the green LED would not flash to show it was booting. I have ...
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0answers
369 views
Issues using SPI pins on Raspberry Pi 3 with MCP3008 ADC for Voltage Sensor [closed]
I am trying to create a voltage sensor using a Raspberry Pi 3 with Raspbian (February 2017 release because that is the one I need for the rest of my project) by connecting the SPI pins to an MCP3008 ...
1
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1answer
281 views
GPIO (using sysfs problem)
I'm presently trying to use the built-in indicator lights on the Raspberry Pi B+ to provide status:
Green = OK;
Red = Problem
After turning off the triggers (writing none to /sys/class/leds/led[0,1]...
1
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1answer
1k views
Raspberry Pi 3, bluetooth is not getting connected with HM-10 bluetooth module
I currently have a Raspberry Pi 3 with built-in bluetooth and some of my work specification require to connect it with HM-10 bluetooth module but I am unable to do so.
I have tried various methods ...
0
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1answer
29 views
Monitor goes black when unplugging the ethernet cable
My Raspberry Pi B+ is working well except: the HDMI only seems to work if the ethernet cable is plugged in. If I remove the ethernet cable the monitor goes black. I plug the cable back in - monitor ...
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1answer
326 views
Accidentally shorted C97 on the Raspberry Pi with a washer
I accidentally dropped a washer and unfortunately it landed on the C97 capacitor. I think that shorted the pi out. The ACT and PWR lights are now solid red and green, whereas it was blinking ...
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1answer
5k views
(python 3) Auto-Conversion from .h264 to .mp4 [closed]
I have a Python 3 code that is supposed to record video. Unfortunately, I do not ant it in .h264, I need it to convert to .mp4. I thought the easiest way to do this would have been to use subprocess....
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2answers
3k views
Can't connect through PuTTY
I'm going crazy trying to connect to my Pi through PuTTY. I know I have SSH enabled, I checked the ports, used ifconfig and put in every single IP address I saw in there, used hostname -I, and they ...
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1answer
347 views
Pi appears as offline according to Xfinity router even though it IS connected
I'm SSH-ing into a Pi right now, so it is definitely connected to the network. It is connected via Ethernet. The Pi is running default Raspbian. Other Wi-Fi and Ethernet devices that are connected ...
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0answers
504 views
Raspberry Pi 3 stopped working
My Raspberry Pi 3 suddenly stopped working only the red light led is on and nothing happens. I suspected the SD card so I swapped in another with only NOOBS on it and it worked once and not again. I ...
0
votes
1answer
560 views
Pi 3 Xorg.cond.d missing and need to swap the axis for the eGalax USB touchscreen
I have a problem: xinput_calibrator doesn't work properly. After I touch 4 points my touchscreen's X and Y axis stay swapped. And I can not apply changes manually in the Xorg.conf.d directory because ...
2
votes
1answer
299 views
I got my first Raspberry Pi. So how do I turn it on?
I feel stupid asking the question: I've been looking for an answer for half an hour, but it seems that anybody else have figured it out.
I've got my first Raspberry Pi 3 model B. I followed the ...
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2answers
2k views
RPI 3 Firefox Video plays but Sound is loud hiss
In the latest version of Raspbian (kernel 4.4), any file I stream through youtube-dl to omxplayer or mplayer using the 3.5mm headphone jack works perfectly.
However, in Firefox when I go to any site,...
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2answers
3k views
Php not working with nginx
So I tried following this guide, but seems to fail at this step. When accessing the /index.php my browser(both chromium and firefox) downloaded the page as a file, then I decided to delete the file ...
4
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2answers
1k views
Official Touchscreen Backlight Inconsistent Control
I am running Raspbian Jessie Lite with a custom Xfce4 Desktop Environment installed. I created a file which when run, changes the number in /sys/class/backlight/rpi_backlight/bl_power to 0 or 1 ...
0
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1answer
443 views
RPi.GPIO not working at all
I have just started with the GPIO on my raspberry pi but can't get any of the code to work.
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(18,GPIO.OUT)
...
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2answers
379 views
Have I destroyed USB power? Ethernet & USB devices powering on & off constantly unless keyboard connected
I have a rather strange problem. If I boot my Pi with only power, HDMI & and ethernet cable plugged in, the ethernet port and other USB devices will flash on (i.e. the ethernet lights and LEDs on ...
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1answer
154 views
Trouble shooting on RPI 3 under Raspbian Jessie (set by NOOBS)
I had to reboot my RPI when my web server was working.
And the RPI can't reload on my Desktop after this reboot;
a black page appears at each time.
So i have tried some button press and when I do Alt+...
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votes
2answers
429 views
Raspberry Pi won't boot up after installing Adafruit's Jessie PiTFT image
I am trying to have my Raspberry Pi 3 work with an Adafruit TFT. I installed their Jessie based image (http://learn.adafruit.com/adafruit-pitft-3-dot-5-touch-screen-for-raspberry-pi/easy-install), ...
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0answers
133 views
Routing problem
I'm searching for a solution for what I consider a simple routing problem but I can't get my head around it. It's about 3 pi's. The first one works as an accesspoint (I call it #1), the second one ...
3
votes
2answers
13k views
Consistent Corruption of SD Card
I have been using a Micro SD card that has been getting corrupted very frequently. I tested it with the badblocks command on another Linux box and it said there were 0 errors. I also checked it with ...
2
votes
1answer
4k views
How to get rid of this video flickering?
When connecting my RasPio to my tv (rather old, but not tube tv anymore), I get this weird flickering everywhere on the screen where clean, thin lines with big contrast are present (including fonts). ...
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0answers
1k views
Microsoft All-in-One Media Keyboard not working at all with RPi 2
pi@raspberrypi:~ $ lsusb
pi@raspberrypi:~ $ lsusb
Bus 001 Device 007: ID 045e:0800 Microsoft Corp.
Bus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. SMSC9512/9514 Fast ...
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0answers
759 views
Remote restart after -bash: fork: Cannot allocate memory
I am running Raspbian on a Raspberry Pi which is located in a remote location. I use Putty to connect to it via SSH.
I can connect fine but when I try to run any command I get the following:
-bash:...
4
votes
6answers
12k views
Slow Boot: Ethernet Wait
I am using Minibian(lightweight version of Raspbian) and if the Pi is not connected to a network it will wait a whole minute before finishing booting.
I noticed that if I commented out lines 3 and 4 ...
2
votes
1answer
8k views
Cannot find device “wlan0”
Trying to configure Wi-Fi and Ethernet on a headless Pi Model B ran the following to get what I think is the correct version of the Wi-Fi dongle driver
sudo apt-get update
sudo apt-get upgrade
sudo ...
2
votes
1answer
3k views
Is there diagnostic software to perform a general health check of RPi components?
At least for the Windows PC (my domain), there are a multitude of programs available that will run a comprehensive test of as many components as is practical to check. Is something similar available ...
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0answers
148 views
Can't reach port 9050
I have a problem with tor (this version and also 0.2.7.*). After compilation, with and without installation afterwards, I can'treach port 9050. I would like to see with arm what's going on but it ...
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1answer
373 views
Ffmpeg Piping output to pifm
I am trying to convert mp3 audio files on the fly with ffmpeg since pifm(a program to transmit over the FM band) only takes a specific file. I was told I could use:
ffmpeg -i input.mp3 -f s16le -ar ...
7
votes
2answers
101k views
Raspberry Pi 3 - internal Wifi wont connect to network
i'm rather new to Linux and all that, in fact the Raspberry Pi 3 i just got is the first Linux-only machine i ever had, running the latest version of Raspbian .. so here's my problem:
I'm trying to ...
3
votes
1answer
2k views
Apt-Get Remove Does Not Fully Remove
I have noticed that when I in Raspbian run the commands: sudo apt-get remove package and sudo apt-get purge package there are still files related to the package on my system such as folders with the ...
2
votes
3answers
682 views
Port forwarding on a tethered RPi
I wondered if I can get some clever ideas here.
I have this setup currently working for 4G internet in our home:
A Moto E from Cricket
Connected by USB to a raspberry pi (tethered)
Connected to an ...
