Questions tagged [ac-adapter]

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13 questions with no upvoted or accepted answers
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Acer Aspire Laptop won't charge in Windows 7 Home Premium x64

I have an Acer Aspire 7750-6801 laptop running Windows 7 Home Premium 64 bit OS. The issue is that it will only charge sometimes when plugged in. I thought it might be a hardware issue, so I tried ...
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1k views

laptop not charging with battery and not starting without battery

Me and my sister have identical laptops. Whilst i was using my laptop i noticed that the laptop was indicating it was charging however the battery power level was decreasing. So it knew the adapter ...
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11 views

I have two powerline adapters. If I buy another two of the same brand and model they will all work?

More details: The model is TP-LINK TL-PA411KIT AV500. I have one connected to the router and one in a bedroom. Can I buy another two and add them in other bedrooms?
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19 views

Laptop turns off after connecting adapter

I have an HP ProBook 4520s. When I connect AC adapter to it, it turns off immediately and I cant turn it on again for about 20 minutes. Charging LED doesn't turn on. Adapter voltage looks normal. What ...
0
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1answer
3k views

What happens if I use lower amperage in “input”?

I have problem now. I want to ask what happened. I bought new charger for my HP compaq nc6400. My charger stats... 60W Input : 100V-240V~1.7A Output : 18,5V = 3,5 A (HP supported) I used.... 90W ...
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2k views

Kali linux doesn't show battery status

Recently I installed Kali linux on my laptop (Innjoo Leapbook M100) but it doesn't show the battery status (nor during live boot). It shows no icons of it anywhere and neither the AC adaptor. It's a ...
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0answers
1k views

Are these “slide-in” interchangeable plug adapters standardized/generic?

I'm sure I have or had at least one other device with this handy feature, but here's a photo of my Lenovo netbook's wall-wart power supply with the Australian slide-in adapter plug detached. This is ...
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1answer
23 views

Is 2013 Toshiba AC adapter compatible with 2005 Toshiba Satellite A-70

I have a 2005 Toshiba Satellite A-70 running Windows XP that I use to run some DOS data collection apps. The LiteOn AC adapter I was using has finally packed it in. Can I use the AC adapter from my ...
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74 views

Safely connecting and disconnecting internal drive externally

I just bought an IDE/SATA-to-USB2 cabling system (not an enclosure) which supplies power from an external AC adapter. I intend to use it to finally image all the stray IDE hard drives I have so I can ...
0
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1answer
75 views

Laptop adapter dies when connected to computer

I own am Acer Veriton l460 Yesterday I tried to start up my computer but it failed to start. These are the assumptions I made. The adapter inputs 240v and outputs 19v which i both checked with a ...
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0answers
245 views

Laptop: Replaced/Tested all power components, still won't charge

I'm a computer technician, so please avoid the obvious diagnostic suggestions - info provided. I'm working on a Compaq Presario CQ40. Originally, the battery would not charge or run off ac adapter. ...
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0answers
388 views

How to test laptop adapter voltage with a Digital Voltage Detection Screwdriver Test Pen

Couple of days ago I replaced my laptop adapter, and when I use that, some amount of current discharges through the sockets,ports...etc (i.e. audio out). So I checked the adapter with a Test Pen (I ...
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1answer
71 views

AC adapter buzz

Yesterday my laptop was connected to an unsecure power source, and today I'm hearing a weird buzz coming from the AC adapter. It seems to fluctuate depending on the CPU usage :) Is it something bad? ...