Friday, 21 July 2017

Black Screen - Android -

The network manager and his devices are not having a particularly good week.

He dropped his (recently repaired) phone on the carpet yesterday.  The screen went black and would not respond to either the buttons or the now black and unresponsive touch screen. We knew it was working as it was vibrating. 

The issue was that the screen was not showing anything so it could not be powered off and on again, following the recognised and traditional IT Troubleshooting procedure and best practice.

The network manager also uses his phone as an alarm.  It starts sounding about 6.45 am.  This morning I came downstairs to the sound of the alarm going off quietly.  It had been wrapped in a tea towel and shoved down the side of the sofa in an attempt to “snooze” or at least quieten it down a bit.

It was at this point I pulled the back off and disconnected the battery. 
(This was not the greatest plan but at the time it was the only way to deal with it. This phone does not have an easily accessible battery.  Fortunately I had a the right sticker to put it back together again).

Later in the day, I took the sim and MicroSD card out and held down the power for a short period of time - about 45 seconds to a minute.  Then reconnected the battery, still not working, checked all the connections. Tried again. 

It worked. The phone either had a loose connection or just needed a random power cycle to fix it.    

It appears that it is a well known thing and is well documented on Google.

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