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- HP Community
- Notebooks
- Notebook Hardware and Upgrade Questions
- Laptop does not recognize power cord/adapter

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03-09-2017 04:15 PM
Laptop is approximately 15 months old. In the past few weeks it has had a problem charging the battery.
When the power charger is plugged in the icon in the bottom right of the GUI does not show the power cord symbol and the battery discharges in a normal manner as the laptop is used.
I have taken the following steps.
1. Run the HP battery diagnostic. Test indicates "battery is good but full diagnostic not possible because power cord not plugged in." The power cord is plugged in during the test.
2. A replacement power cord was purchased. Does not solve problem.
3. Opened the Device Manager, selected, Batteries, and uninstalled and reinstalled "Microsoft ACPI - Comliant ........
I have observed that when I power the laptop off and plug in the power cord, when I return to the laptop it is fully charged.
This makes me think the problem is software related.
Any help would be appreciated.
03-09-2017 04:18 PM
You might want to take a look at this document: Battery Does not Power Notebook or Hold a Charge.
It suggests troubleshooting steps to determine if the problem is the battery, the power supply, or the system board.
You might find the answer to your battery/power issue as you work through the steps in that HP support article.
Hope this helps, for any further queries reply to the post and feel free to join us again
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GBL84
I am not an HP Employee
03-09-2017 04:51 PM
Not software probably. It is likely the charger jack module. Or, unfortunately it could be the motherboard. The motherboard is not sensing that the power cord is plugged in and electricity is streaming to the battery. That sensing comes from one of the leads from the power jack module and it can be damaged or the sensor on the motherboard can be damaged. If you are having trouble accepting this one way to be sure is to wipe and reload Windows or you can even boot the system from a Linux Live thumb drive without making any changes to the software on the hard drive. This will give a fresh look from different software and if the presence of the power cord is still not detected, logically it has to be hardware.