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Need help with Raspberry Pi 4

Posted on 12/4/19 at 9:28 am
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/4/19 at 9:28 am
So my 12 year old son wants to get into coding so I bought him a Raspberry Pi 4 for his birthday. We got it up and running and were trying to install RetroPie but kept running into problems getting it to load. So my son took out the micro sd card and tried to install RetroPie on his laptop.

After doing so the Raspberry Pi won't do anything (no rainbow colored screen, no nothing but power light is of course still on). My guess is that he accidentally formatted the SD card.

So I need instructions (explained like I am 5) on:

1. Reinstalling the OS; and then
2. Installing RetroPie on a Raspberry Pi 4.

Thanks!!!!
Posted by CAD703X
Liberty Island
Member since Jul 2008
78081 posts
Posted on 12/4/19 at 9:49 am to
Go to retropie reddit sub and I think there's a sticky there that walks you through it.

It's not 100% supported in the 4 yet so the install is tricky and buggy right now.

Posted by Korkstand
Member since Nov 2003
28708 posts
Posted on 12/4/19 at 9:55 am to
What do you mean by you got it up and running? Did you ever get it to boot any operating system?

A common error is people will just copy the .img (or .img.gz) file to the SD card. That doesn't work. The .gz part means it's a zip file, so it must first be unzipped to produce a .img file. Then you have to use a program (I think Etcher is common for Windows) to write the .img file to the card.

The result is the SD card will end up with a full filesystem with thousands of files on it, but you most likely won't be able to read it under Windows. If Windows CAN read the card, and it just has a .img file on it, that is WRONG.

The retropie img has the full OS plus retropie on it, so it's not two separate installation processes. You just have to flash that .img correctly, put the card in the pi, and it should boot up.


BTW you did realize that you were going to learn some stuff at the same time as your son, right?
This post was edited on 12/4/19 at 9:57 am
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/4/19 at 10:02 am to
quote:

What do you mean by you got it up and running? Did you ever get it to boot any operating system?


So we originally got the Pi up and running with the operating system. I tried to do an install of RetroPie through Debian command line prompts...seemingly got it installed but then couldn't get RetroPie to actually run. After downloading the file through Debian, and then running a basic install of RetroPie, it didn't ask me if I wanted to autorun RetroPie on boot. But I rebooted the Pi, saw the RetroPie folders, so it looked like it was installed, but I couldn't figure out how to run it.

So then my son took the Micro SD card to install the img file, but I think he reformatted the card when he installed it.

So what you are saying is that all I need to do is install RetroPie, with Etcher, and it will automatically install the OS as well?
Posted by Korkstand
Member since Nov 2003
28708 posts
Posted on 12/4/19 at 10:09 am to
I have set up many Pis, but I've never installed retropie. That said, yes, the retropie img does contain the full OS. Though like CAD said, I'm not sure if it's well supported on the Pi4.

The way you did it should have worked too, though. I'm assuming you went through the manual install with all the blue/grey screens and a bunch of questions?
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/4/19 at 10:33 am to
Maybe I will try Lakka instead of RetroPie
Posted by CAD703X
Liberty Island
Member since Jul 2008
78081 posts
Posted on 12/4/19 at 10:42 am to
quote:

Maybe I will try Lakka instead of RetroPie


yup

LINK /

quote:

1) Download the Lakka image, here's a newer dev build

LINK



2) format your sd card with sdformatter

LINK /





3) burn the image to your card using etcher

LINK /


4) put it in your pi, boot up, you're done.
This post was edited on 12/4/19 at 10:47 am
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/4/19 at 11:01 am to
Thank you, thank you, thank you
Posted by Dam Guide
Member since Sep 2005
15511 posts
Posted on 12/4/19 at 12:56 pm to
Yeah retropie isn’t ready for the 4 yet. They are trying to get it out by Christmas. Any RPI4 image is not official retropie right now, could have issues and not supported by that group.
Posted by CAD703X
Liberty Island
Member since Jul 2008
78081 posts
Posted on 12/4/19 at 1:12 pm to
you'd be crazy to buy a 3 right now given how much better the 4 is for emulation even if it means you have to wait for full support a bit longer.
Posted by Dam Guide
Member since Sep 2005
15511 posts
Posted on 12/4/19 at 5:11 pm to
Yeah, hopefully only has a few weeks wait. I’ve test some N64 emulation on my 4 4gig, it’s much better.
Posted by ArkLaTexTiger
Houston
Member since Nov 2009
2463 posts
Posted on 12/4/19 at 5:51 pm to
I was late to the RPI party. I bought a 3B+ last fall and have enjoyed messing with it. I upgraded to Raspbian Buster (Debian 10) a couple of months ago and it's been as smooth as silk.

I understand that an EEPROM update for the 4 is out and drops the CPU temperature significantly. Progress!

Posted by LSshoe
Burrowing through a pile o MikePoop
Member since Jan 2008
4009 posts
Posted on 12/5/19 at 7:23 am to
Mostly what korkstand said. You probably want to 'burn' the retropie img to the SD card. It sounds like you imaged rasbian which is the generic os and tried to install retropie which should also be possible but I've never tried it.

It sounds like it's not supported on the pi4 so perhaps you should go back to rasbian and let him tinker around with that until retropie has support on the 4. Pis are great little emulation consoles but that's not really going to teach your son to code by itself. It could familiarize him with Linux which is useful. If you want him to learn to code I'd suggest checking out a few issues of the raspberry pi magazine. the name escapes me but it's a free publication you can PDF download. It's full of creations people have made and frequently some outlines on how to do so yourself. Find something he wants to create and dive in. Might be able to lean python or something.
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/5/19 at 8:53 pm to
Okay so with Lakka does that have the Rasbian OS included with it or do I need to install that first?
Posted by Korkstand
Member since Nov 2003
28708 posts
Posted on 12/5/19 at 10:27 pm to
quote:

Okay so with Lakka does that have the Rasbian OS included with it or do I need to install that first?
The Lakka image that you will flash to the SD card does include a full OS, though it is not the full Raspbian OS.

There are hundreds of different Linux distributions, and Raspbian is but one of them. It is based on the Debian distribution, as is Ubuntu and many others.

Lakka bills itself as its own distribution, though it is based on the LibreELEC distro, which in turn is based on the OpenELEC distro.

I mention all this because Lakka is tailor-made for gaming. If you want to do anything else on it (like programming), it might be a pain to get the right software installed on it. It's not a huge deal, though. SD cards are cheap, and a new OS is only a flash away. At any time, you can unplug the Pi, pop out the Lakka card, put in a Raspbian card, boot it back up and do whatever else you want on it.


The Lakka site seems to have pretty simple step by step instructions for getting it installed. You choose the OS you're using to flash the card (presumably Windows), choose the hardware you want to run it on (Pi4), download the Lakka image, download/install Etcher, use Etcher to "burn" the image to your SD card, put the card in the Pi and boot up.
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/6/19 at 9:21 pm to
Okay got Lakka up and running with some good roms. SNES audio is glitchy but other than that it runs well
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
5313 posts
Posted on 12/7/19 at 8:49 am to
So what is your first project goi to be with he pi?
Posted by ragincajun77
Member since Jul 2019
911 posts
Posted on 12/7/19 at 9:13 am to
I dont know. It's really my son's pi so give me some ideas for him
Posted by WhiskeyThrottle
Weatherford Tx
Member since Nov 2017
5313 posts
Posted on 12/8/19 at 6:55 am to
Guy at work uses it for LED lights around his whole house. He changes the colors based on the time of year.

I’m not sure I have anything fun that a kid would enjoy. I plan on eventually using a pi to automate my beer brewing process but I’m still working on the right equipment for that setup.
Posted by Korkstand
Member since Nov 2003
28708 posts
Posted on 12/8/19 at 10:59 am to
quote:

my son's pi so give me some ideas for him
Robots are always fun. They cover engineering, circuits/electronics, and programming at the same time. You can make it fully automatic, remote controlled, experiment with voice commands, etc.
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