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Old November 17th, 2011, 09:06 AM   #1 (permalink)
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Cry Phone works, screen does not yet sometimes it does


One night I was using the phone without doing anything special , some video watching . Phone went dark, tried to reboot. Blank Screen and the capacitive buttons flash. Left it to charge all night, in the morning it started but after I pressed the lock button blank screen but phone still working and receiving input.

Took the battery and SD card out left it for 30 seconds then started it again, Stuck at LG logo. Repeat , phone started ... Pressed lock button once then again to unlock , screen wouldn't start.

Used LG Mobile Update recovery tool to restore it ... Didn't solve problem. Sometimes it does not even start , just flashes buttons, other times it does without screen and last all works even the screen until first time goes dark , in the last two cases I can use LG On-Screen Phone without trouble, in doing so I installed a proximity sensor test app to see if it was causing my screen to not come back on , the sensor looked fine.

1. Two day old Optimus Black p970, worked like a charm until stated problem
2. The app that checked proximity sensor showed the sensor to be free when my hand wasn't on it
3. The warranty laws in my country are idiotic so I would do or buy anything rather than send it so they can give me a new one in 3 months.
4. Tried another battery from another Optimus, fully charged nothing different.
5. Stock rom.

Do any of you fine people have some ideas on how to fix this? Thanks in advance

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Old November 21st, 2011, 12:42 AM   #2 (permalink)
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ya i have a same problem many time the only solution i think remove the SD card when i face that problem i removed the SD card than it work properly
or format the card
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LG Optimus Black
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The LG Optimus Black aims to thrill with its super-sleek stylings and ultra-bright display. The NOVA technology used in the 4.0-inch IPS LCD screen provides class-leading brightness and brilliant color reprooduction. A 9.2mm thickness makes the Opt... Read More

flashing buttons, phone works screen doesn't, stuck at boot, won't start

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