Battery Light Flashes Red Won't Charge

Sep 26, 2018
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A while ago, the battery light started blinking 5 times, (4 times red) and refuses to charge. When I run the diagnostic (holding Fn down on start up) it says "Msg: Battery - unable to retrieve battery health".

I have since replaced this battery twice, with no change.

I have updated the bios.

I have replaced the power supply.

I ran the support assistant which correctly identified my laptop: Dell Inspiron, 17R 5720. Unfortunately, it also could not fix the problem. In fact, it said "We did not find any issues."

I installed all drivers it recommended.

I am at a loss at what else to try here?
 
Sep 26, 2018
2
0
10
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So in the end, the best I could do what replace the motherboard (for $62 on Amazon). Flashing lights went away and it appears to be running good as ever.
 
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