WTF iphone screen goes blank

Discussion in 'iPhone Tips, Help and Troubleshooting' started by eplchamps0304, Oct 13, 2008.

  1. eplchamps0304 macrumors 6502a


    Jan 31, 2008
    My iphone screen just went black. No matter what I do it wont come on. Plugged phone t pc and it does connect to itunes. Currently restoring to see if that helps. Anyone had this issue?
  2. scminunni macrumors newbie

    Nov 9, 2008
    just great, now what?!!!

    just started today with the same issue, iphone will not turn on no matter what, was able to answer one call while in this state, but subsequent calls do not display. did your restore work?
  3. ashley1407 macrumors newbie

    Aug 11, 2008
    Hold power button and home button down together until it comes back on again.
  4. tongteh macrumors 6502

    Aug 16, 2008
    i had the same problem a few days back.. :( when i try restarting the phone, it just got stuck in the apple logo loading screen.. restore did the job for me but sure hope that it wouldn't happen again..
  5. gredden macrumors newbie

    Oct 28, 2008
    Iphone went black

    My new 3G did the same thing. Took it to Apple store and it was my old case.
    You have to buy a case that is 3G capable. Old cases cover the Iphone antenna. Since I got my new case, no problems at all.
  6. iphoneg33k macrumors member

    Oct 6, 2008
    I had the same problem. I did a restore but it happen again, plus why would Iphone antenna cause this?

    I would understand the sign not being strong but why the antenna....

    My iphone has been acting funny the last couple of months. The first week I lost all sound to it. Once in a while it crashs, I think I might take it back but I'm affaid that I will get some one else iphone. I want a new one out of the box... Don't want a refrib one ... Have anyone received a refrib one rather then a new one?
  7. andyblila macrumors 65816


    Jul 8, 2008
    On My iPhone, or my iPad?
    It's not the antenna, it's the IR proximity detector. The cases are covering it up and the phone thinks you are holding it to your head so it shuts off the screen. Get a new case and the problem should go away. To test this out....remove your phone from the case and see if the problem goes away.
  8. PaulSe macrumors newbie

    Nov 30, 2008
    Screen protector reflecting IR?

    I had a problem like that described here:

    Following the idea that it was the screen protector, I removed it, and that seemed to make the problem go away.

    I'm guessing the screen protector I have was internally reflecting the IR signal back to the detector even if it wasn't close to my ear. Perhaps this could be adjusted with a software setting.

    Looking closely under a bright light, I found what appeared to be a sensor / emitter pair on the 3G phone. It is even with the ear piece and about 5mm to the left. There's also what is probably the light sensor slightly to the left of that.

    I used a regular paper hole punch on the clear screen protector to make a hole centered over the pair. (Not that great looking, yet cheaper than a new case.) Problem seems to be resolved.
  9. Reddawg124 macrumors newbie

    Dec 8, 2010
    Blank screen

    Thanks Andy, I removed the screen protector and the phone came back home.
  10. pcunite macrumors member

    Nov 26, 2010
    I'm using the Griffin iPhone 4 Screen Care Kit 3 pack which has cut outs for the sensor. No trouble with them...
  11. jillianmico macrumors newbie

    Jan 18, 2011
    my fix..

    The unlock screen on my iphone was lit however when i slide to unlock it everything would go black... but the phone was still on.. What fixed it for me was turn on a light bc i was in a dim lit room.. hopefully its a quick fix for you as well
  12. rosaage macrumors newbie

    Mar 27, 2011
    Thanks it worked fine on my ipod touch 4g.:apple:
  13. chickenseatpigs macrumors newbie

    May 16, 2011
    Thanks so much for the help. My screen went blank and I started freaking out. Holding down the power and home button fixed the problem. Thanks so much.
  14. Iphull macrumors member

    May 16, 2011
    Wirelessly posted (Mozilla/5.0 (iPod; U; CPU iPhone OS 4_0 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8A293 Safari/6531.22.7)

    My iPod did this once. I hooked it up to iTunes and it seemed to fix itself. I'm I bang-on-it-till-it-works type of troubleshooter.

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