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Screen flickers and goes black

Sibanda

Lurker
Oct 9, 2019
2
0
My S7 screen flickers and eventually goes black (except the top portion above the app icons). If I warm the cell by any means (e.g.: hair dryer, etc..) the darkening eases off and eventually cell regains brightness, until it cools, and the problem resumes.
 

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Thanks Danny. But, out of curiosity, what is the explanation of why, when I warm it up, the screen returns to normal until it cools down?

Some electronic faults can be temperature dependant. Often in electronic circuit fault finding, one might use freezer spray and a heat gun to chill and heat suspect components, like transistors, diodes, etc.
 
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