Why does my new HTC One M7 screen turn black after 2 seconds?

[AC Question]

New HTC one M7 screen turns black after 2 seconds

Hi - I've set my display to turn off after 45 seconds, but despite this my display often turns black after 2 seconds of me not touching the screen which means I have to unlock my phone again and then hold my finger on the screen non stop! Any ideas? Thanks

 

[belodion]

Re: New HTC one M7 screen turns black after 2 seconds

Welcome to AC.

Try a Cache Partition wipe.
If no go, try Safe Mode....a third-party app may be giving trouble.

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