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Computer not detecting any AC adapters anymore
Hello everyone, I don't know if this is the good section for that but I have a strange problem.
First of, excuse my English, it's not perfect yet (especially talking about technology) but I'll try to be as good as possible.
I've had my Acer computer since 2011, encountered some issues but always managed to fix it by myself, but not this time.
2 days ago I wanted to use my computer, when it booted to the desktop I noticed it didn't recognize my AC adapter.
It didn't say anything, it just didn't charge, so I asked my mother for her AC adapter because it's the same. I noticed that it starts charging for about 10 seconds then stops, it does the same with my own AC adapter, for it to detect it again I have to wait minutes before plugging in the AC adapter again. Each time it charges for about 19 seconds then stop, the light when using the adapter turns off too.
I thought maybe it's my battery but I don't think so because when I took off the battery and tried using my computer with the AC adapter only it didn't work, as always it charges for about 10 seconds and stops charging.
I would really love to know what's going on? Maybe the motherboard or something like that? It was fine the day before and it didn't heat or anything.
I must also note that since about 5-6 months I had to use my computer with the AC adapter plugged in all the time or it would shut off. I never found the reason for that it happened all of a sudden and I don't know if it's related to my current issue since it started months before, but because of this and the current issue I can't try copying what's important on my hard drive to another external hard drive.
Is there a way (not too complicated if possible) for me in this situation, to copy my computer's entire hard drive to another hard drive? I've so much important things in it I don't want to lose and unfortunately I was supposed to buy an external hard drive next week to back up my stuff in case something bad happens...
Thank you everyone for your time.
I hope what I wrote is comprehensible :)