Where are you grounding your driver to test?
Ok, another thing to try, there are two adjustment pots on your driver.
Io should be adjusted to max,
Adjust voltage as far as it will go, then back 1:4 turn just for testing purposes.
Try that, if it doesnât work with that, you need a multi meter and possibly help from @Baudelaire
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On my kitchen desk 
I dont have any multifunkÄnĂ meter but I went to my friend Who works in Led shop and He also didnt know why it doesnt work :-/
Do you have these Tiny little Brown spots on your chips? Like I do?
Take it all apart and start again @fisch. If you missed something minor first time it will be your best means to find it the 2nd
Think theyâre supposed to be on the diodes every dot is uniform
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So far, yes just need the white/negative side now.
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It all looks right, how much are you stripping the leads that go into the connectors on the strips? You want to try to strip enough that they âbottom outâ in the connector. This will ensure you have a good connection!
Something doesnt look right with those connectors, are we sure they are all 8 ports are connected together? The ones I use only have four holes, so I would need to look closer at them. They almost look like they are four seperate connectors (two each), but I canât see the metal traces inside in the picture. A multimeter would sort that out real quick.
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Not looking great that mate
Where is the problem? :-/ wireing or strips them self?
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Seems there are a few cold solder joints on the strips that arenât lighting up evenly. @Baudelaire Will take good care of you mate just give him time to respond. Your wiring is correct.
Try loosening the screws closest to the very brightly lit LEDs, they might be too tight.
i think you have the strips going the wrong direction⌠also you need to use the 2 sided tape to hold them down, not screws⌠your strips are running East/West and they need to be North/South
Ok I will try it after I get home. But I tried to screw them very lightly. Will seeâŚ
Hi @nitro I couldnt do it like you say because the sheet isnt big enough. I Have to get to my 2x2 tent :-/
I buy everything wired and tested, itâs no fun when you get
something new and it doesnât work like it should. HAHAHAHA.
Specially DIY stuff⌠Cosâ i know itâs my fault. LOL
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Thats the reason, I choose 3W Iodes still. These are having a lot of support and new techniques coming all the time with diffrent Nanometers. You can mix your light on your own basically. These do a great job. Your Strip looks like already half of the Leds are not working anymore. Which is a bad quality sign. I would contact the Seller to tell him the Problems and explain exactly what you did, so he canât refuse to give new ones. Be well.
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Yeah. I am confused right now. I primary ordered basic kit with no sheet and acrylic shield. So the shipping cost is low and so onâŚ
But when I got my set today i found about that I got all of it. Sheet and the shield. So I dont get it now if I knew this then I would Have let them get tested or something.
Lets wait for @Baudelaire 
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