Screen is black and unresponsive

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iPhone 3G

iPhone 3G是第二代iPhone。型号A1241，有8或16 GB容量，和炫酷的黑色或洁白的白色塑料背面。修复比第一款iPhone更简单。需要螺丝刀、撬撬工具和吸尘工具。

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Carlos @carlos33543

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发帖于: 2010年7月21日

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Screen is black and unresponsive

After droping my phone, the screen cracked and went completely white but the screen was still recognizing my touch and i could hear the clicking on the keyboard, after replacing the broken screen with a new digitizer, glass, and lcd my iphone does not recognize my touch and the screen is completely black, in this whole process i payed close attention to cables 1,2,3 to prevent any sort of damage. i also put the old lcd with the new glass and it recognized my touch but the white screen was the biggest issue to solve, so did i get a defective lcd and digitizer? which i find unlikely or did i fry some other component inside?

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I am confused. Is this what happened? Your LCD was not turnin on, but you could hear typing. You replaced the display assembly (Glass, digitizer, LCD) and now the screen is still black but you cannot get it to make keyboard noises? When was your screen turning white?

由 Alex Jansen 完成的 2010年7月21日

i had dropped the phone thus causing a white screen with black lines, and a cracked screen i bought a new glass,digitizer and LCD, after properly and carefully replacing old screen, digitizer, and LCD my screen does not respond at all, i cant see anything and it does not respond to my touch.

由 Carlos 完成的 2010年7月21日

Can you confirm that the phone is turning on? Check if the phone vibrates when you toggle the vibrate switch. Usually bad display assemblies will have one thing wrong with them (bad pixels, faulty touch zones) not everything.

由 Alex Jansen 完成的 2010年7月21日

The phone is fine, it connects to itunes with no problem, it vibrates and everything the only problem is that screen, ive tried to do what you said below by holding it with a finger and still no luck, i think i just got a defective LCD or i fried the logic board somehow but i seriously doubt that

由 Carlos 完成的 2010年7月21日

Another good trick would be to reinstall the old LCD and see if you can still get a white screen out of it. If you can, then you probably bought a bad LCD and should get a return for it if possible. If you bought it from us you can email sales@ifixit.com to set one up.

由 Alex Jansen 完成的 2010年7月22日

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I am confused. Is this what happened? Your LCD was not turnin on, but you could hear typing. You replaced the display assembly (Glass, digitizer, LCD) and now the screen is still black but you cannot get it to make keyboard noises? When was your screen turning white? — Alex Jansen
i had dropped the phone thus causing a white screen with black lines, and a cracked screen i bought a new glass,digitizer and LCD, after properly and carefully replacing old screen, digitizer, and LCD my screen does not respond at all, i cant see anything and it does not respond to my touch. — Carlos
Can you confirm that the phone is turning on? Check if the phone vibrates when you toggle the vibrate switch. Usually bad display assemblies will have one thing wrong with them (bad pixels, faulty touch zones) not everything. — Alex Jansen
The phone is fine, it connects to itunes with no problem, it vibrates and everything the only problem is that screen, ive tried to do what you said below by holding it with a finger and still no luck, i think i just got a defective LCD or i fried the logic board somehow but i seriously doubt that — Carlos
Another good trick would be to reinstall the old LCD and see if you can still get a white screen out of it. If you can, then you probably bought a bad LCD and should get a return for it if possible. If you bought it from us you can email sales@ifixit.com to set one up. — Alex Jansen

Alex Jansen @alexjansen76587 声誉积分: 9.1千 28 16 16 · Answer 1 · 2010-07-21T15:09:06-07:00

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Alex Jansen @alexjansen76587

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发帖于: 2010年7月21日

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Cable #2 which manages the LCD often detaches during reassembly (I have done this a hundred times and it still occasionally pops off on me) and could be the culprit if you know the phone is turning on. I would try turning the phone on while it is disassembled and holding down cable #2 with a finger.

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i did the same thing and have the same problem i did hold the cables at one point but it seems to still be unresponsive but i know the phone is working because i tryed plugging it in and it poped up on itunes and i tryed restoring it but it still doesnt seem to work

由 killerkid3029 完成的 2010年8月18日

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danvan @danvan 声誉积分: 1 · Answer 2 · 2011-08-05T20:34:44-07:00

i have the same issue, my screen never died, the phone was ran over, it did not get smashed, the screen had a protector so no real damage. The only thing that didn't work with the phone was the "home" button. I decided to open it up to see how much of a chore it would be to fix the home button. Now i get nothing on the screen. No touch response or anything, the phone is detectable by itunes, i can receive calls/texts, but i can't pick it up or see the screen. I've check several times the connection while putting it back together, I've checked the ribon cables if there is any damage, and I see none. What is left that could be a problem?

Chris Wojciechowski @chriswojci56998 声誉积分: 1 · Answer 3 · 2012-04-14T10:19:43-07:00

Chris Wojciechowski @chriswojci56998

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发帖于: 2012年4月14日

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Look at the back side of the carriage for a bent connector. There are two together near top of the phone. Both should be going the same way to contact the inside of the phone. Carefull bend them to match each other..or nearly straight.

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iPhone 3G

Screen is black and unresponsive

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