White screen

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Nowhonda
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Re: White screen

Post by Nowhonda » Mon Oct 09, 2017 3:21 pm

Hey Guys, I have searched the forums for a solution to the white screen problem and tried to troubleshoot the problem on my own with no success. I checked to make sure the GPIO pins were consistent, I have the masking tape on the screen connector, the pins are properly aligned, and I have rewritten the retro-pie image multiple times. Any help would be appreciated.
Mintypiwhitescreen.jpg
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J-Malice
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Re: White screen

Post by J-Malice » Mon Oct 09, 2017 6:27 pm

How did you check the gpio?

Nowhonda
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Re: White screen

Post by Nowhonda » Mon Oct 09, 2017 10:56 pm

I checked with a multimeter using the test pads on the pcb. First with setting that confirms continuity with sound then the voltage setting. What would you recommend?

J-Malice
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Re: White screen

Post by J-Malice » Tue Oct 10, 2017 11:32 am

Can you get a closer picture of the gpio pins?

Nowhonda
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Re: White screen

Post by Nowhonda » Tue Oct 10, 2017 11:37 pm

Its not pretty, but there was continuity.
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J-Malice
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Re: White screen

Post by J-Malice » Wed Oct 11, 2017 1:43 pm

DC looks like it doesn't have enough solder. Did you see my last post on the previous page? Check the 4 gpio that I mentioned. My screen was exactly like that until I made sure to press the soldering iron deep into each opening and apply a *very* little bit more solder to each.

Edit: also, you have no solder on the A button gpio.

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Re: White screen

Post by Helder » Wed Oct 11, 2017 10:55 pm

This seems like a continuity problem, are you checking the corresponding GPIO to the test pad under the 8pin socket?
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Nowhonda
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Re: White screen

Post by Nowhonda » Thu Oct 12, 2017 11:31 pm

I got it to work and it was a continuity issue. Thanks for the help and please forgive the simple solution. I really did think the continuity was fine before I tried it again.

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