iPhone 3G Screen isn't showing up on iPhone.

Question

iPhone 3G

Zweite iPhone Generation. Modell A1241 mit 8 oder 16 GB Kapazität und schwarzer oder weißer Kunststoff-Rückseite. Die Reparatur ist leichter zu bewerkstelligen als beim iPhone 1. Es werden Schraubendreher, Hebelwerkzeuge und Saugnäpfe benötigt.

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Tracie @tracie81546

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Veröffentlicht: 25. Aug 2010

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iPhone 3G Screen isn't showing up on iPhone.

As of right now, I am using two iPhone 3G's, but both screen won't work at all. I've noticed that the problem isn't the actual screen, I think it's the logic board (I think that's what it's called?) where the camera, SIM tray, etc. where all the connectors (1-6) connect.

It all started with my first iPhone 3G, which is a white one. I took it apart because I was replacing the back cover (for obvious reasons, it's badly scratched) and as I put everything back, EVERYTHING will work except the screen. If I plug it into the computer, I will hear the beep thing, so I know it's on. And I switched the vibrate button up and down, so it vibrates. So I know it's on for sure.

I got upset because I didn't know what the problem was, and I kept searching everywhere. So I took apart my other iPhone 3G (black) up to the logic board. Which means I basically only took the screen off. I connected the black iPhone 3G screen to the white iPhone 3G but it didn't work as well. So I did vise versa (white iPhone 3G screen onto black iPhone) and it worked.

In my mind, I thought, it couldn't be the screen then, so I took out the logic board of the black iPhone and switched it with the white iPhone. Now both doesn't work.

I really don't get what I did wrong, and I am so upset and confused. BOTH the black iPhone and white iPhone screens won't "show up".

PLEASE HELP. ANY suggestions are appreciated.

(The black iPhone is my brother's, so if I don't fix it, my brother won't have a phone either.) :/

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Gewählte Lösung

pollytintop @pollytintop

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Veröffentlicht: 26. Aug 2010

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did you slide to switch off the phones before swapping the lcd's? you may have inadvertently toasted them otherwise, in which case you'll need 2 new lcds! is there any image at all on the screens? if it is still showing a faint sign of home screen or symbols then you may have blown the back light which is on the motherboard and expensive/difficult to repair.

you could try another/friends phone......but be sure to power off properly to make sure you don't blow their screen!

try putting the working screen in the other phone then you'll know if it's a dead lcd or backlight on the motherboard.

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I fixed the black iPhone by rearranging some connections somehow so there's display on the black iPhone. I tried doing the same thing on the white iPhone but didn't work.

Oh dang, I made that stupid mistake, I never turned off the iPhones before I swapped the LCD's. I didn't think that would be use. Ugh.

The white one used to have faint signs of the home screen or symbols but then all of a sudden, it just stopped displaying.

26. Aug 2010 von Tracie

I just tried restoring the white iPhone, but it didn't work. Still no display. ):

26. Aug 2010 von Tracie

I think it's the backlight on the motherboard... Any way I can fix that?

27. Aug 2010 von Tracie

from everything i've read a fix is expensive or only for the brave with fab soldering skills. marcus has put a link on one of his answers about this. search the answers for dark screen backlight.

29. Aug 2010 von pollytintop

I searched and I can't find the link?

7. Sep 2010 von Tracie

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I fixed the black iPhone by rearranging some connections somehow so there's display on the black iPhone. I tried doing the same thing on the white iPhone but didn't work.

Oh dang, I made that stupid mistake, I never turned off the iPhones before I swapped the LCD's. I didn't think that would be use. Ugh.

The white one used to have faint signs of the home screen or symbols but then all of a sudden, it just stopped displaying. — Tracie
I just tried restoring the white iPhone, but it didn't work. Still no display. ): — Tracie
I think it's the backlight on the motherboard... Any way I can fix that? — Tracie
from everything i've read a fix is expensive or only for the brave with fab soldering skills. marcus has put a link on one of his answers about this. search the answers for dark screen backlight. — pollytintop