Questions tagged [ac-adapter]
The ac-adapter tag has no usage guidance.
54
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is that possible to use lower amperage ac adapter for my laptop? [duplicate]
I have Toshiba satellite l505 laptop and the ac-adapter is damaged. i found new adapter but it's output is 19v 3.4a and the output for the laptop is 19v 4.7a. is that safe to use the lower voltage?
14
votes
13
answers
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Laptop touchpad response badly when on power supply?
I have HP pavilion 2200 series laptop with AMD processor, 1GB RAM, on board nvidia display card. It suddenly cause following problem:
When the adapter is unplugged, the touchpad works correctly and ...
8
votes
1
answer
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Charge Apple computers bought in USA to use in Europe
I bought an Apple MacBook in the US and would like to use it in Italy. On the cable, it says: 2.5A 125V. What are the possible solutions to charge my computer? Use an adapter, a plug converter or an ...
7
votes
2
answers
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laptop motherboard "shorts" when connected to adapter
Disclaimer: I'm sort of a noob, and this is a long post. Thank you all in advance!
summary: completely dead laptop with no signs of life whatsoever (suddenly, for no apparent reason)
Here's the deal:...
4
votes
3
answers
179
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Damaged laptop power plug?
Should I be worried about a damaged computer plug? My parents (or someone) knocked it over today. I notice it is no longer straight.
There seems like a little tear in the rubber from the fall. I'm ...
4
votes
1
answer
19k
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Is it safe to use a laptop AC adapter with 220V power if the AC cable is not rated for 220V?
The AC adapter supplied with my laptop is designed to accept voltage in the range of 100-240VAC at 50-60Hz, but the AC cable that plugs into the adapter unit itself is only rated to 125VAC 7.5A 2.5A. ...
4
votes
1
answer
773
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Replacement AC adapter for my CR-48?
I managed to lose the AC adapter on my Google CR-48. Yeah, already, I know. I have a couple more places to check, but does anyone know where I could find a compatible AC adapter?
19.5v 2.0a is not ...
4
votes
1
answer
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Is it safe to use a "Universal Laptop Adapter"?
I have seen a "Universal Laptop Adapter" sold in a computer shop before. I am thinking of getting one for a laptop. Is it safe to use? What differences are there between one of these and a typical ...
3
votes
2
answers
507
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Keeping a laptop power supply on without a laptop connected - any negative consequences?
Sometimes I unplug my Thinkpad laptop from its AC/DC power supply adapter and keep the adapter connected to the power socket. Are there any possible negative consequences? Some ideas I was thinking ...
3
votes
5
answers
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How to test AC adapter?
I have a Toshiba laptop that is no longer receiving power when it's plugged in. How can I tell if problem is in the AC adapter or in the actual laptop?
I could buy a replacement adapter (this is the ...
3
votes
2
answers
1k
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Is it safe to use an American power adapter in India and Australia? [closed]
I'm going to India and Australia on a business trip in a couple of days and plan to carry only a tablet instead of my trustworthy laptop (which got dunked in the tub by my oldest - don't ask). The ...
3
votes
1
answer
232
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Can I trust this weird BIOS Message ending in 'thanks'?
So I started up my laptop today and was greeted with the following message (not a direct quote):
The type of the AC adapter cannot be determined. This may interfere with your
computer's performance. ...
2
votes
4
answers
132
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AC protection for laptop
I think there is something wrong at my apartment. Two weeks ago my girlfriend's AC adapter died and yesterday mine.
Can I buy something to protect the AC adapters from whatever bad is coming from the ...
2
votes
3
answers
22k
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Would this AC adapter work with this external HDD enclosure?
So I've lost the adapter that came with my external HDD enclosure, but I have a pile of AC adapters, most are under-powered. This one is the closest, but it seems like the enclosure needs a little ...
2
votes
2
answers
3k
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Can a 20V, 4.5A travel adapter replace a 19V, 3.42A charger on ThinkPad T440 Lenovo?
I have a ThinkPad T440 that came with the new adapter plug "slim-fit". The original charger is 19V, 3.42A. I ordered a replacement AC for travel, and Lenovo sent to me a charger that is 20V, 4.5A, ...
2
votes
1
answer
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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 ...
2
votes
1
answer
433
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How Do I Know Which Replacement AC-Adapter Is Right For Me?
I'm trying to find a replacement AC adapter for my MSI GS70 Stealth Pro-024. The original stopped working due to damage to the cord. As I began looking I found a number of options but became dismayed ...
2
votes
0
answers
495
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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 ...
1
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1
answer
596
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Laptop's power supply discharges the battery 10-20 seconds after unpluging from wall
Everyday after turning off the laptop (not before) I'm unplugging the power supply only from the wall, not from both wall and laptop. But it started to discharge the battery. After unplugging the ...
1
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4
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Is it OK to use 17" Macbook Pro AC adapter on a 13" Macbook Pro?
17" Magsafe Adapter:
Input: 100-240V - 1.5A 50-60Hz
Output: 16.5-18.5V - - - 4.6A Max
13" Magsafe Adapter
Input: 100-240V - 1.5A 50-60Hz
Output: 16.5V - - - 3.65A
The Answer:
I am looking for a ...
1
vote
2
answers
2k
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Will my new laptop AC power adapter work with my laptop, given these specs?
My laptop's AC adapter went out last night and I bought a replacement today, but will not be able to test it until tonight or tomorrow.
My laptop is a Gateway P7801-U, but unfortunately Gateway does ...
1
vote
1
answer
5k
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What should I do about a 110v adapter that I plugged into a 220v socket?
I plugged a new 110v Belkin router into a 220v socket. It had an adapter so I'm assuming the router is fine and the adapter just blew its fuse. I live in the Philippines, where there isn't any service ...
1
vote
2
answers
933
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Buying a new laptop adapter: what specifications?
What specifications do I need to look after when buying a new laptop adapter?
For example, on my adapter the following is written:
INPUT: 100-240V ~ 2.15A 50-60 Hz
OUTPUT: 19V -~-~ 6.3A
1
vote
4
answers
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Laptop charger disconnects and reconnects, charger or battery broken?
I've got an Acer Aspire One netbook (AOA-150) and there's obviously something wrong with it. The charging port gets VERY HOT and the charger seems to disconnect and reconnect quickly sometimes. This ...
1
vote
1
answer
13k
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5V power adapter for 12V router?
I just bought an used Linksys E4200 router (V1). On the back of the router it says 12V 2A, but the power adapter I got (model number AD 5V/2F) says 5V 2A. So the voltage is different. I tried it ...
1
vote
1
answer
494
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Will the TP Link WDS-3600 work with a 9V 0.6A AC adapter?
I just bought this router and on the back it says it consumes 12V 1.5A current and in the package I got 9V 0.6A adapter. Is it good for it and will it work on this power adapter?
I bought the router ...
1
vote
0
answers
1k
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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 ...
1
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1
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1k
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charging laptop with a different adapter charger [duplicate]
Possible Duplicate:
charging laptop with a different manufacturer's charger
I have lost this adapter,
Output Voltage: 19V
Output Current: 3.95A
Input Voltage: 100-240V
Wattage : 75W
Pin Size:...
0
votes
5
answers
11k
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How does a laptop wattage compare to that of a desktop computer when their AC Adapters don't even list wattage? [closed]
I have several laptops of various brands. Each has an AC adapter that's designed for the specific computer it came with. I also know there are universal adapters can adjust their voltages ...
0
votes
2
answers
368
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Unplug or switch off AC outlet when laptop is not in use?
I just replaced the battery of my laptop, Inspiron 15 7000 7567, it was damaged (swelling) and now it works fine.
I used to have my laptop connected all the time with the AC adapter, and the AC ...
0
votes
1
answer
182
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I got this AC universal adapter for my laptop how to use it?
On the universal AC adapter there is the switch 15, 16 or 19.5 volt. I read the manual to set the switch to what it say on the back of the laptop. It say output= 19 Volt on the label back on my laptop,...
0
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1
answer
735
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How can a power supply rated 7A be strong enough for two devices rated 5A? [closed]
I am not understanding something fundamental to amperage:
Consider this adapter which outputs 12V 7A. It claims that several (eight, in this case) devices running at 12V 5A can draw enough power from ...
0
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3
answers
2k
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Laptop AC adapter stopped charging after changing the OS
I am facing a problem with my HP compaq 6710b
I have a 90 watt battery adapter which was working fine(i have tested it in other laptops too) when I had Windows XP Professional installed in my Laptop. ...
0
votes
2
answers
3k
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Laptop battery holds charge, but won't charge any more
Ok, I'm sure I will need to replace either my battery or my AC adapter, but would rather not buy one if the other is the problem.
My problem is. I have a Sager laptop that gets quite a bit of use. ...
0
votes
2
answers
2k
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How can I make KDE suspend my laptop when I unplug it while the lid is already closed?
In KDE, I have set my preferences so that if I unplug my laptop and then close the lid, it will go into sleep mode. However, if I close the lid first and then unplug it, it will not suspend.
More ...
0
votes
1
answer
6k
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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
...
0
votes
2
answers
422
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How to find a compatible AC adapter for my external HDDs?
I have 2 external HDDs, from which I lost the AC adapters. One is Seagate and the other one is Toshiba. How can I find power adapters for them that are fully compatible?
0
votes
1
answer
174
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Cannot charge laptop battery
My laptop had gotten pretty old and the battery would not charge so I bought a new battery. I soon noticed that the new battery would not charge either. When I plug the cable in it charges for a few ...
0
votes
0
answers
12
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Lenovo laptop B41-30 AC Adaptor Charger [duplicate]
I have a laptop (lenovo) with a power input of 20V-2.25A. Can I use a power adaptor with an output of 20V-2.35A?
0
votes
0
answers
289
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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 ...
0
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1
answer
132
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I Lost my original ac adaptor, Can i use other model of power supply? [duplicate]
I Lost my original ac adaptor, Can i use other model of power supply? the Output of the original ac adapter is 7.3v = 1.75A and the one i want to use is 7.9v=1.4A can i use this adapter?
0
votes
0
answers
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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 ...
0
votes
1
answer
109
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Power supply rate for Riger ADSL Modem 2/2+ DB102
Does anyone know what type of power adapter for this kind of modem?
0
votes
1
answer
27
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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 ...
0
votes
1
answer
173
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Same voltage and current rating but different brand laptop AC adapter? [duplicate]
I'm in India where AC adapter of Y510p(Original) is not available. Ac adapter of Y510p has rating of 19.5v and 6.15a, I found AC adapter having same rating of Hp, is it secure to use on lenovo laptop?...
0
votes
0
answers
78
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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 ...
0
votes
1
answer
80
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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 ...
0
votes
0
answers
246
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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. ...
0
votes
0
answers
482
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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 ...
0
votes
1
answer
76
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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? ...