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Old 04-30-2020, 01:19 PM   #3
twowheels
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Quote:
Originally Posted by twowheels View Post
Sounds like a bad ribbon cable connection between the cable and screen, or cable and motherboard.

Charging generates heat, and apparently just enough to improve the connection. Not sure if the PB cable is connected w/ a removable connector or soldered in place, but if you're up to it you might try opening it up and re-seating the display cable. If that doesn't work you can try running a soldering iron quickly across the ribbon cable to re-flow the connections at each side.
...another common "fix" is to put it in a warm oven for a while, with the battery removed, not long enough nor hot enough to damage anything. Unfortunately consumer ovens don't have very good temperature control so it's not quite the same as a real reflow oven, much higher risk.
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