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April 8th, 2016 11:00
Battery/Power problems with a Latitude E4310
The battery on my E4310 appeared to be bad (it wouldn't run for very long and had been losing power for awhile). The last time I went to use it about a week ago it wouldn't start at all even with the adaptor plugged in which was the first time it had done that.
I noticed that the green LED on the adaptor would go out as soon as I plugged it into the laptop. Since the laptop still wouldn't power-up I unplugged the adaptor from the laptop AND the wall outlet. When I plugged the adaptor back into the wall the LED would come back on but as soon as I plugged it into the laptop it would go out again.
I assumed that the battery had gone bad and was shorting out the adaptor and ordered a new battery but when that came in I had the very same problem. The adaptor LED would go out as soon as I connected it to the laptop even if the battery wasn't even connected to the laptop, and as soon as I unplugged the adaptor from the wall and then plugged it back in the LED would come back on.
What is the MOST likely problem as it obviously isn't the battery but more likely something within the laptop itself? Is there anything I can check given that the system will not power-up or boot into the BIOS?
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ejn63
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April 8th, 2016 15:00
There's a short circuit in the system -first thing to try is replacing the DC jack:
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If that doesn't solve the problem, replace the mainboard.
Bob Minor
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April 9th, 2016 10:00
While I figured as much it raises the question of what makes the most sense to do at this time. With used/refurbished units available from $75-$125 on eBay it begs the question as to how sensible is spending $20 for a used DC jack only to find out that you'll also need to spend $100+ for a used system board.
My unit was upgraded by me so I have 4 gigs of 1366 RAM, a 250Gig SSD SATA III HDD, and a working video panel, etc. I think I'd be better off buying a used unit on eBay and transferring over the HDD and RAM (if needed) and keeping the rest as potential spare parts.
Thanks for the link though as it may be useful in the future as I have 2 other laptops and 3 desktop units to keep operating.