recently I have replaced my nintendo ds lite case with a translucent blue colored one because one hinge was broken and I needed to replace the touch screen anyways. so it took me and my friend a few hours to get the ds internals into the new case and the buttons fitting correctly. before I re-assembled it completely I held the battery on the contacts to see if it would work, and it didn't. what happens is the top screen flashes for a second and turns off if there is an acekard2 in it. if there is just a game boy advance game in it, it will boot the gba game but the top screen is just a bunch of white and colored lines. I finished assembling it and nothing changed, it still didn't work any better. I tried plugging in the charger and it DID charge the battery (idk if that matters or not).... I replaced the clear part of the ds bottom touch screen too...but it fits normally. I googled a bit about this problem too and all I could find were things saying that the fuse was busted but I know it has to work since gba games work on the top screen. can anyone help tell me what is wrong (please)?
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well, for one thing I did write an extensive guide which can be found here on gbatemp that details you're exact problem
http://gbatemp.net/index.php?showtopic=98240
however, in the interest of saving you time, it sounds like you didn't re-insert the flexible cable for the top display in all of the way.
edit:
if after checking where the flexible cable is inserted into the connector, and all looks good, then there is a good possibility that you have ruined any number of leads in the flexible cable and will need to replace the upper display (along with having to unsolder and change out your existing speakers to move them to the new display).
http://gbatemp.net/index.php?showtopic=98240
however, in the interest of saving you time, it sounds like you didn't re-insert the flexible cable for the top display in all of the way.
edit:
if after checking where the flexible cable is inserted into the connector, and all looks good, then there is a good possibility that you have ruined any number of leads in the flexible cable and will need to replace the upper display (along with having to unsolder and change out your existing speakers to move them to the new display).
The fact that the top screen flashes, but turns off immediately sounds like the connection to the BOTTOM screen is not inserted correctly.
The lines on the top screen may mean that the top screen cable is also not inserted completely correctly, but I'd check after getting the bottom screen working.
Don't panic! You probably just need to reseat one or both screen cables.
John
P.S. Testing with battery on the bare motherboard was the right thing to do. Just don't bother assembling, though, until everthing works and be sure to check the touchscreen, too.
The lines on the top screen may mean that the top screen cable is also not inserted completely correctly, but I'd check after getting the bottom screen working.
Don't panic! You probably just need to reseat one or both screen cables.
John
P.S. Testing with battery on the bare motherboard was the right thing to do. Just don't bother assembling, though, until everthing works and be sure to check the touchscreen, too.
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