Laptop shutoff and no power.

Question

Acer Nitro 5 AN517-51-56YW

The Acer Nitro 5 AN517-51-56YW is a gaming laptop designed by Acer. This computer was made in 2019 and comes with an Intel i5 9th generation processor and Nvidia Graphics.

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siksikaX @siksikax

Rep: 1

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Veröffentlicht: 15. Okt 2022

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Laptop shutoff and no power.

I have had this laptop for 3 years now and took amazing care of it. It has always been plugged in while being used as i use it for gaming.

Tonight i was watching a movie when all of a sudden it just shut off and there was no power. No lights when the charger is plugged in. Tried holding the power button for 15 seconds (no pin reset on this model) and let it sit for 30 minutes before plugging it back in. Still nothing.

Any ideas?

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siksikaX have you check the AC adapter itself? Plug it in and since it has a simple barrel adapter use a voltmeter set on DC voltage. Red probe in the center hole of the barrel and Black probe on the outside. It should give you something like 19V on your meter. If not, you know it's the adapter.

16. Okt 2022 von oldturkey03

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Gewählte Lösung

jayeff @jayeff

Rep: 450,9 Tsd.

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Veröffentlicht: 15. Okt 2022

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Hi,

Seems as though there may be a problem with the DC-In jack (supplier example only) on the laptop.

What can happens is that the centre +ve pin of the jack breaks internally and this opens the power supply path from the charger to the motherboard. Therefore the motherboard won't turn on when the power is connected and also the battery can't be charged to keep it running either. It keeps discharging until the laptop turns off.

To prove this you would need to access the jack on the motherboard and test both the +ve centre pin and -ve outer ring connector for continuity between the jack's input side and the red and black wires on the cable plug that is connected to the jack. (unplug the cable from the motherboard before testing so as to not get an incorrect measurement).

If the jack is faulty it cannot be repaired, it has to be replaced. Search online for Acer Nitro 5 AN517-51-56YW dc-in jack to find suppliers that suit you best.

Here's a video that will help you to gain access to the motherboard etc. Ensure that the battery is disconnected from the motherboard - you don't have to remove it, just disconnect it - before doing any other work inside the laptop, to avoid creating any electrical problems on the board. There is always power on a motherboard somewhere, even when the laptop is off. The power button is not a power isolating button.

@siksikaX

I think that you are mistaken.

Looking at the video I linked (if it is the one for your model) the DC-In jack in NOT connected to the battery.
Here's an image from the video that shows the DC-In jack and where it connects to the motherboard.

The battery is seen being disconnected at 1:14 minutes into the video and you can see that there is only the one connecting cable from the battery to the motherboard and that the DC-In jack cable is not connected to the battery.

(click on image)

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8 Kommentare:

Hey jayeff thanks for the quick reply. What tool do i need to test the dc jack?

15. Okt 2022 von siksikaX

@siksikaX

You need to have a digital multimeter and know how to use it.

Adequate ones can range from $20 and up.

If you don't know how to use one and if you decide to get one, make sure that it comes with a user manual (or a downloadable one) and then learn how to use it before actually using it.

15. Okt 2022 von jayeff

I can grab one from work but i just took out the batter to take a look at the dc in jack and noticed that one end of the cable is inside of the battery. I dont really feel like opening that up as im not sure if its safe to do so. If it os the dc in, am i better off juat ordering a new battery?

16. Okt 2022 von siksikaX

@siksikaX If it is the DC-in jack that is broken, you have to replace that jack. Replacing the battery will do nothing, as the power can’t flow from the charger, through the DC jack into the laptop.

16. Okt 2022 von Geir Ove Andersen

Ohhh okay i see now. I found the part and will test it and report back.

I really hope this is the fix because i would rather have an easy fix than replacing the whole laptop. I would just like to thank you very much for the help so far it is very much appreciated!

16. Okt 2022 von siksikaX

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siksikaX have you check the AC adapter itself? Plug it in and since it has a simple barrel adapter use a voltmeter set on DC voltage. Red probe in the center hole of the barrel and Black probe on the outside. It should give you something like 19V on your meter. If not, you know it's the adapter. — oldturkey03
Hey jayeff thanks for the quick reply. What tool do i need to test the dc jack? — siksikaX
@siksikaX

You need to have a digital multimeter and know how to use it.

Adequate ones can range from $20 and up.

If you don't know how to use one and if you decide to get one, make sure that it comes with a user manual (or a downloadable one) and then learn how to use it before actually using it. — jayeff
I can grab one from work but i just took out the batter to take a look at the dc in jack and noticed that one end of the cable is inside of the battery. I dont really feel like opening that up as im not sure if its safe to do so. If it os the dc in, am i better off juat ordering a new battery? — siksikaX
@siksikaX If it is the DC-in jack that is broken, you have to replace that jack. Replacing the battery will do nothing, as the power can’t flow from the charger, through the DC jack into the laptop. — Geir Ove Andersen
Ohhh okay i see now. I found the part and will test it and report back.

I really hope this is the fix because i would rather have an easy fix than replacing the whole laptop. I would just like to thank you very much for the help so far it is very much appreciated! — siksikaX

Acer Nitro 5 AN517-51-56YW

Laptop shutoff and no power.

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Update (10/16/2022)

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