sudomod

Hello.

I have the gearbest screen. When I turn the pi on nothing is displayed on screen. Seems completely dead.

I have the red power wire and ground going to the power strip and the white cable going to the tv port on the pi. I have also tried the yellow wire but same outcome.

The ribbon cable looks crooked when its plugged in but when its not in there is more of the black bit on one side..

Please see pics below.

Is this screen destined for the bin now?

Thanks

pjmills81 wrote:Hello.

I have the gearbest screen. When I turn the pi on nothing is displayed on screen. Seems completely dead.

I have the red power wire and ground going to the power strip and the white cable going to the tv port on the pi. I have also tried the yellow wire but same outcome.

The ribbon cable looks crooked when its plugged in but when its not in there is more of the black bit on one side..

Please see pics below.

Is this screen destined for the bin now?

Thanks

That controller board doesn't look like the ones i've received from them. Similar but not the ones ive used. I'm guessing you have your jumper wire hooked up to the wrong pin just by looking at it. Visually your ribbon cable looks fine. Can you get a close up pic of the chip you ran your jumper wire too for us to take a look at.

Here's mine and it works fine, I haven't patched into the JST though I took the 5V feed direct from the power strip to the chip, it does look like your ribbon cable may not be in all the way so try that. The other thing is do you have your SD card in the Pi Zero? nothing will work if it's not present.

Mischief wrote:Here's mine and it works fine, I haven't patched into the JST though I took the 5V feed direct from the power strip to the chip, it does look like your ribbon cable may not be in all the way so try that. The other thing is do you have your SD card in the Pi Zero? nothing will work if it's not present.

Screen Wiring 1.JPG

Hi again Mischief, Yes I have the SD card in. I even thought maybe I should put a fresh copy of retro pie on which I have done. It all works fine though the HDMI port just not the display.

I have used a multimeter on the to screen board and there is power going to it. just no indication of life.

It seems you may have a dead screen then, the thing is the one I got isn't the one I ordered the picture in the eBay ad was completely different.

One last obvious thing to suggest as I have done this. Make sure your ribbon is connected to the board the right way, ie not up side down?
Hope this helps.

Sorry to bring up a dead thread but have you figured out your problem yet? I have the same display board and I have everything hooked up right. Have done it like 10 times over and still no display. The screen is getting power definitely but no image showing up.