0
votes
1answer
40 views

Are Samsung Series 9 ultrabooks (purchased in the US) compatible with 240V/50Hz power input?

I'm traveling and I'm curious if I can use an adapter. I have a replacement power chord and it states that it can take in 100V-240V, 50-60Hz, but I want to make sure that the ultrabook itself accepts ...
0
votes
1answer
54 views

No display Asus x44h

My laptop is an Asus model x44h. Last night due to high voltages, my charger and laptop were damaged. Now my laptop display shows nothing but I can still hear the login sound. Can anybody help me ...
25
votes
2answers
960 views

How does Windows detect battery issues?

I have a laptop that's a little over 5 years old, and I've never changed the battery, so I believe Windows 7 when it tells me "there is a problem with your battery", and to consider replacing it. My ...
0
votes
2answers
86 views

Cable from laptop brick to wall [duplicate]

I've seen plenty of questions asked about the power output of laptop bricks to the laptop - however my question is does the plug and cable that runs from the laptop brick to the wall need to match up? ...
0
votes
0answers
138 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 ...
0
votes
1answer
964 views

Will my laptop be ok with this different laptop charger? [duplicate]

Possible Duplicate: Charging laptop with non-original charger How can I tell if an AC adapter is compatible with my laptop? So the original laptop charger broke and I switched to a ...
0
votes
0answers
610 views

Laptop battery 10.8V vs 11.1V

I've had my HDX 16 for about 3 years now, and I've been using the batteries quite intensively last year. I'm getting warnings about the battery needing to be replaced before boot and in Windows. ...
3
votes
1answer
2k views

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. ...
1
vote
1answer
6k views

Using adapter with higher output voltage?

My adapter is broken, and I'm currently using another one while I'm waiting for a new adapter. The input voltage and amps are the same for both adapters, while there are difference in the output ...
1
vote
2answers
350 views

Using alternate rating laptop charger [duplicate]

I am using Sony Vaio and laptop charger burned its rating was 19.5V-3.9A, i am trying to find the same model but I have been only been able to find one with the rating 19.5V-4.7A. Can I use this, any ...
1
vote
1answer
884 views

Have a 40W power supply - will it power a laptop that needs 65W? (18.5v 3.5A (=65W))

Have a 40W power supply - will it power a laptop that needs 65W? I know that the basic calculation, voltage x amps = required wattage, so 18.5v x 3.5A =65W I realise that it should only draw the ...
1
vote
2answers
1k views

Same voltage, different amperage for two power supplies

I've just plugged an 18.5V 6.4A HP power supply into an HP laptop; I normally use an 18.5V 3.5A power supply. Since the connector fit, I figured I'd give it a go... so far no funny smells or fires. ...