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Acer v3-571g blincking lights and suddenly shutdown


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#1 Emirbou

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Posted 17 June 2018 - 05:57 AM

Hi,
This is the first time for me here,

1 year ago I noticed that my battery lights were flashing while the charger and battery were plugged in. Before the flashing started, I could hear abip sound.

The lights that flash are:
- the power button light (blue)
- the blue light on the front
- the orange battery light

When I disconnect the charger and plug it back in, I can again hear a beep sound and the flashing disappears for a while to then start again shortly after. When these lights are flashing, the battery in windows indicates that it is not being charged.
Back then i accept the fact that I have to use the charger without the battery, or use only the battery.
But now I can't use neither of them, now my acer laptop suddenly shutdown( example : when you use the laptop using only the charger and then you inplug the charger, and it shutdown), so the problem begins to aggravate, and now when this happens i can't power it on again, when I press the power button, the blue light of the power button and the blue light in the front are blincking and noting happens, when I insist nd try this for 4 or 5 times, the laptop starts and after 2 or 3 minutes it's shutdown again.
So is the problem 1) the battery, 2) the charger, 3) my motherboard?

1) The battery
The battery is fine, i can get 2hours of usage, well.. That in the past, now the laptop is not starting using the battery.

2) The charger
I have an ASUS charger, but the same voltage and everything.


3) The motherboard, I tried the following:
1:
- Shutdown my laptop
- Disconnect battery and charger
- push power button for 20 seconds
- plug in charger and battery
- start up again
2:
I disconnect some components and I looked at the battery if it's charging or ( when I disconnect the socket power jack porter) see if the laptopt give a light when i press the power button.
-disconnect the rams and use only one,
- disconnect the card wifi.
-Disconnect the harddisk.
-disconnect the processor.

Unfortunately, this did not fix the problem.

I will give you some of the pictures of the motherbord and the AC/DC and the some other pics

Thank you.

Regards

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#2 Emirbou

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Posted 17 June 2018 - 06:18 AM

Pics of motherboard:
https://www.dropbox.com/s/u84bm36asdp89ya/IMG_20180617_120337.jpg?dl=0
https://www.dropbox.com/s/nuar7b29bpqd2zo/IMG_20180617_120324.jpg?dl=0
https://www.dropbox.com/s/ye3yr97fu2zt1nv/IMG_20180617_120401.jpg?dl=0
https://www.dropbox.com/s/cbhhdxi352cqqzy/IMG_20180617_120350.jpg?dl=0
https://www.dropbox.com/s/ovthl9diozwu5j4/IMG_20180617_120258.jpg?dl=0
Pics of AC/DC charger:
https://www.dropbox.com/s/8b5t8u89186gmc5/IMG_20180617_115933.jpg?dl=0
Pics of the battery:
https://www.dropbox.com/s/blntlryj26jbf6v/IMG_20180617_121141.jpg?dl=0

https://www.dropbox.com/s/i99o0doqggm9qr7/IMG_20180617_121158.jpg?dl=0

Pics for dc power socket jack porter:

https://www.dropbox.com/s/cn8l6lblou0r8uz/IMG_20180617_120243.jpg?dl=0

https://www.dropbox.com/s/q9ygeipxtam0npy/IMG_20180617_120232.jpg?dl=0

https://www.dropbox.com/s/i30eqsmwcndyv35/IMG_20180617_120219.jpg?dl=0

https://www.dropbox.com/s/i30eqsmwcndyv35/IMG_20180617_120219.jpg?dl=0

https://www.dropbox.com/s/0ddarm23lk4gdux/IMG_20180617_120204.jpg?dl=0

https://www.dropbox.com/s/21p1498ce4k20ou/IMG_20180617_120147.jpg?dl=0

https://www.dropbox.com/s/su8yz17uwiwsx13/IMG_20180617_120133.jpg?dl=0

#3 DavisMcCarn

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Posted 17 June 2018 - 09:53 AM

The classic fix for an Acer with the three blinking lights problem is to remove the battery, unplug the charger, push and hold the power button for 30 seconds, and then put things back and turn it back on.  I just had it fix an Acer, yesterday.

It sounds like yours has progressed beyond that and, what I can't tell in your pictures, is whether the pin inside the DC power jack is loose.  I used to see lots of laptops where this was exactly the problem.  The pin is installed like a rivet into the back of the jack and, if it is loose, the laptop stops getting enough power to operate.  I would resolder the pin into the tab it is riveted to; but, they're so cheap these days you might just buy a new one if that pin is loose (use a toothpick or a tiny screwdriver to see if it wiggles in the jack).

My other thought is that the ASUS ac adapter is a class B fit meaning it isn't quite right and has decided it's not happy anymore.  Do you still have the original Acer adapter?


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#4 Emirbou

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Posted 17 June 2018 - 11:02 AM

Thank you for responding,
U said is may be the DC power jack, let me tell u that even when it's not plugged in to the charger nd only to the full charged battery the problem still apears.
And I've tried the 30 second method and obviously it didnt work.

#5 DavisMcCarn

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Posted 17 June 2018 - 11:12 AM

1) How do you know that the battery is fully charged? (Only another Acer laptop could tell you that)

2) I asked if you had the original Acer charger/ac adapter?

3) If the pin in the DC power jack is loose, that is your original problem! (I've only seen about 150,000 broken PCs in the last 42 years)

4) Have you tried the 30 seconds, no battery, no ac adapter again?


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#6 Emirbou

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Posted 17 June 2018 - 01:02 PM

How do I know that the battery is fully charged : because sometimes this problem goes, in the beginig of this problem, I was able to find a way to use it even with this problem, that way was open the laptop and close it without puting all the bolts ( the 4 bolts in the back where the mouse) , yes that silmple, and it's give me a week without shutingdown, so in that week I could have fully charged battery, and yet, the problem appears again suddenly.
2- no, I don't have the original DC power charger.
3- the pin in my ASUS charger seems to be fine, well, it's worked for other pc.
4- yes, i've rried that method. No battery ni dc power 1 minute, then put the battery back And tried to power on it, nd nothing ( maybe the battery is low) , but this is not mean that this method will help me if thz battery was full, because i've tried it when the battery was full.
5- when this problem came i took it to someone to fix it, and he tried a new battery and it's start at first but as I told him back then, it's shutdown, then he tried a new DC power and the same,

#7 Emirbou

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Posted 17 June 2018 - 01:45 PM

This is my asus charger

https://www.dropbox.com/s/nykt78c1l1a4i1p/IMG_20180617_190655.jpg?dl=0


https://www.dropbox.com/s/b4hcht8uskiv745/IMG20180617190355.jpg?dl=0



And these videos shows the problem with and without battery.

With battery and the charger:

https://youtu.be/_jh0W1uFnks


With only the charger :

https://youtu.be/Bzjppd9y5ek

And this is the problem:
https://youtu.be/g3goaAf8kog



And now i'm trying with another asus charger with the sme specs.
And the same, it shutdown

Edited by Emirbou, 17 June 2018 - 01:47 PM.





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