What part of the iPhone powers the screen ?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by j33buz, Aug 1, 2010.

  1. j33buz macrumors newbie

    Jul 26, 2010
    Hey guys,
    (There's a tl;dr at the bottom for those in a rush).

    I dropped my iPhone, cracked the screen and LCD, replaced both, as well as the inner plastic bezel holding them together. Now, the LCD doesnt turn on and the touch screen will not respond. The backlight wont even turn on !

    It is still on, responds when I plug it into USB, it still vibrates and has its files and will be picked up by iTunes, but the screen is black with no display, no backlight and as far as I can tell the touchscreen is not working.

    And the kicker is that it was working for a few seconds, when I first put everything together, I just took it apart to get the home button to be seated properly, and bam, all of a sudden everything stops working.

    Frustrating indeed ! Would anyone be able to help me out please ? I am sick that it seems I will have to buy another part, but, if it will fix it then it's worth it !

    tl;dr :Replaced iPhone LCD, glass and central plastic piece. iPhone screen worked for a few minutes, then stopped. Now, screen will not work but phone will respond to USB and when I flick the switch to put it in silent. Can anyone help please ?

    Thank you all very much !

    If you cant help can anyone recommend somewhere I could send it to be fixed ?
  2. zach478 macrumors newbie

    Aug 1, 2010
    The only thing I could think to do is unplug and replug the 3 ribbon cables and power cycle the iPhone.

    Hope it helps
  3. xMastemah macrumors member

    Dec 6, 2009
    Where did you buy your display from? The LCD could be junk (or just a bad order). However, seeing as it worked once, that's highly doubted. You could've done damaging when reseating the ribbon cables the second time around for the home button.

    By the way: I hope you weren't working on carpet and/or without some kind of anti-static method. ESD can be very bad for iPhones. Just a thought...
  4. j33buz thread starter macrumors newbie

    Jul 26, 2010
    I've tried reconnecting the ribbon cables and nothing...What would power cycling the iPhone do ? Fairly worried/sure I've bricked it at this point :(

    Thanks a lot for the replies !
  5. j33buz thread starter macrumors newbie

    Jul 26, 2010

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