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955
September 5th, 2021 08:00
Dell 3520 battery replacement does not work
The battery in my Dell 3520 became very swollen so purchased a replacement. However, when I insert the new battery the computer won't start and the battery doesn't charge. I wonder if the battery sensor needs a reset so that it recognizes the new battery but don't know how to do that. Can anyone help?
I originally thought the battery might be faulty so got a replacement and neither work. The laptop doesn't power up without any battery in, even if AC cord is attached, so can't reset the sensor that way.
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JOcean
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September 5th, 2021 09:00
Did you purchase an genuine Dell battery as that does make a difference? Try a reset which may help. Disconnect the battery and unplug the adapter. Then press and hold the power button for 30 seconds. Now reconnect everything and try again.
Mary G
4 Operator
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20.1K Posts
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September 5th, 2021 09:00
The laptop is 9 years old and there are no real replacement batteries available. Lots of scams online with batteries. Return it and get your money back if you can. See this--
Dell Laptop Battery - Frequently Asked Questions | Dell US
It's time to buy a new laptop.
jamesjames123
3 Posts
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September 6th, 2021 01:00
Thanks for getting back to me. It was brought through Dell outlet more recently than that and so the 2 yr warranty only elapsed in June. I'm wondering if I just sign back up to Dell, if they can fix it. It feels better for the environment than just replacing.
jamesjames123
3 Posts
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September 6th, 2021 01:00
Dell don't sell them any more so it's purchased through a second party. They say they are genuine (and the look identical to the original) but I can't be sure. The reset you mentioned above didn't work. Only now it's saying no battery is detected, even with the original in. It works with the AC cord in though at least.