So lets try this and see if it helps.
Hard Reset using buttons:
Press and hold the Camera + Volume Down + Power until the phone vibrates. Then release the Power key and keep pressing the Camera + Volume Down for a few seconds.
lighting bolt and gear icon
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
My Nokia Lumia 920 shows the lightning bolt and gear icon. does not start and is frozen on that icon.
Windows for home | Other | Devices and drivers
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
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Anonymous
Answer accepted by question author
Anonymous
A HAD SAME PROBLEM TOOK OUT MEMORY CARD ATTACHED TO LAPTOP AND PRESSED VOLUME <DOWN> AND POWER BUTTON AND IT CAME ON
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Anonymous
2017-03-25T06:55:26+00:00 Thanks Jack
it helps a lot and my phone got started to but now I have another problem, The sound notification is continuously displaying on the top. and also back switch doesn't work properly.
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Anonymous
2017-03-24T20:43:52+00:00 I bought a new phone! it's all android and stuff. Problem went away.
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Anonymous
2017-03-22T23:46:54+00:00 Thank you so much! This is really helpful!
But, I have another problem at first.
My Lumia 720 is frozen. stuck somehow.
Just only can get swipe once and then freeze, so I decided to hard reset and this lightning bolt and gear appeared.
After I did this solution, it has come back to normal, but It get stuck again on windows icon: the blue window.
HELP!