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Battery not charging despite buying replacement

After getting back from a trip, my laptop that was working fine previously (unplugged) was not turning on and blinking white 3 times when plugged in. After buying and replacing the battery and preemptively discharging the computer, I try it again and it boots up... But with 0% (Not Charging). After running a diagnostic test in BIOS, i got a Charger Port test failed. All my drivers are updated, and everything else passed the diagnostic. Would it be possible that replacing the power jack would fix it? my computer model is k0000 (594k2av)

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Hi @stormjaramillo

If you have a DMM (digital multimeter) first check that there is 19.5V DC on the output plug of the charger or try connecting a different, known working, compatible charger to see if it works. You can also try connecting an appropriate USB-C laptop charger, to the laptop's USB-C port on the rear of the laptop (next to the DC-In jack) and check if the battery starts to charge or not.

If the USB-C charger works OK and the normal charger output tests OK or if a known working replacement also doesn't work then this indicates that there may be a problem with the DC-In jack

Here's the maintenance and service guide taken from this support webpage for the laptop that may help to find out whether it is faulty or not

Go to p.49 to view the procedure to remove/replace the systemboard.

Once it is removed you can check if the DC-In jack, which is soldered to the motherboard tests OK from its input side to its output side on the board. If it doesn't then the jack is faulty and needs to be replaced as it cannot be repaired.

If using the USB-C charger doesn't work and the DC-In jack tests OK then further testing of the motherboard using the schematics for the board would be required to find out what's wrong.

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my omen is actually a HP omen 16 k0000 (54k2av), apologies for the misunderstanding. what do i do?

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@stormjaramillo

I have edited my original answer to suit the amended model number that you posted

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