Questions tagged [ac-adapter]
The ac-adapter tag has no usage guidance.
9
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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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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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HP laptop power cord will not fit into outlets on power strip
My electrical outlet sparked and damaged the power cord that came with my laptop. I ordered two replacements, one from HP and the other from another reseller of spare parts.
When it was time to charge ...
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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 ...
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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 ...
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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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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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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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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? ...