Stuck on 'Rainbow Screen'
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@Slighty yes the power cord. Should be 2A minimum for pi2 and 2.5A for pi 3.
I'd say 90% likely its a corrupted sd. I'd start with that.
Probably very unlikely it's the pi itself.
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Thank you so much for your help mate.
... again sorry to sound vague but then why doesn't the Pi (that was updatign the Retro PI scripts) now work with 2 readable SD Cards? it just freezes on the rainbow screen
these cards boot up fine in their respective Pi's (I currenty have 3)
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If you have a card that reads just fine on another comparable model Pi, but won't read in this Pi, then it could be the Pi. Are they connected in a similar manner? Did you try using the same known good power supply from the other Pi? Do you have a bunch of "stuff" plugged into the "bad" Pi? I know in my Super Famicom build I have a ton of stuff connected to GPIO that my other "test" Pi doesn't, and some GPIO miswiring was causing it to reboot. I also had a bad USB cable that was causing a short. Try to eliminate variables.
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I am also getting the rainbow. I'm almost sure it's the sd card that's corrupt. Going to try another sd with retro 4.02 on it. Otherwise power supply or bad connections.
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Thank you people...great responses.
I will try the other power supply (plug) - in the RetroPi (not working) I only have a Bluetooth dongle - for my joystick, and a Wifi adapter for SSH Roms /Updates plugged into the RetroPi so it shouldn't be overloaded in anyway.
Really gutted about all this as due to work commitment I haven't been on the RetroPi for Months, a pub here in Ireland have one in the corner for customers and I got load of ideas for games i had forgotten about through the years, manged to acquire the ROMs, then decided to update the script...then this ...potentially software AND hardware failure...brutal !!!
You live n learn...
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@Slighty what version of raspberry pi's are these three pi's? What version of retropie is on the two good cards?
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@Slighty You could try to put boot_delay=1 in /boot/config.txt
So put the card in your reader. Under windows, you might see several files - bootcode.bin, kernel.img and config.txt should be one of them. You can open it in wordpad. Just add "boot_delay=1" and save the file.
This has worked for me in the past and the fact that you get the rainbow suggests that some of the card is readable. Maybe the socket for the sd card is not gripping either.
This solution can be found here: http://elinux.org/R-Pi_Troubleshooting#Coloured_splash_screen
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@edmaul69 I only have Retro on the 1 card, the other 2 have XBMC and Raspian for general coding and 'messing around' (Pi Lite etc) I couldn't give you version numbers sorry, but definitely pre 2016, I haven't upgraded any for a while, if it isn't broke don't fix it etc, the Pi are ALL Pi 2B+.....I have a 3 in the post, as a result of this .
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@Slighty RBAKER yes I read that mate, good advice but the (RetroPi) SD Card is totally unreadable in any OS I put it in 3 different SD card readers the pc does the 'dur doop' noise to signal new hardware detected but nothing, the best I had was 'removable disk' in Windows Explorer show up and I tried to format only to be told 'F is unreadable' I tried ChkDsk in DOS similar outcome ... All a bit brutal mate, time the SD card met the bin, but I would hope to not have to throw away the Pi too
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@rbaker yes I read that mate, good advice but the (RetroPi) SD Card is totally unreadable in any OS I put it in 3 different SD card readers the pc does the 'dur doop' noise to signal new hardware detected but nothing, the best I had was 'removable disk' in Windows Explorer show up and I tried to format only to be told 'F is unreadable' I tried ChkDsk in DOS similar outcome ... All a bit brutal mate, time the SD card met the bin, but I would hope to not have to throw away the Pi too
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