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Need advice re power supplies

Last response: in Components
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March 15, 2010 9:51:40 PM

Hi wonder can anyone help. My monitor need power DC 12V 4.0A external lead, which I have not got, but I have a AC/DC adaptor output : 12V DC 500mA Can I use this one?

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March 16, 2010 7:25:10 AM


Generally monitors use that, including my own, and also every PSU out there
a b ) Power supply
a b C Monitor
March 16, 2010 2:07:34 PM

^ Some monitors require 120, or 240 VAC as an input, But some require a AC to DC converter (brick)

If your monitor Requires a "Brick" Power pack: short answer NO you can not use a power pack rated @ 12V/500 mAmps inplace of one rated at 12V/4Amps. It will not power your monitor and the DC output would be very low - You could damage your monitor. Also the brick will Overheat if left attached for very long.
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a c 144 ) Power supply
a b C Monitor
March 16, 2010 2:18:46 PM

You are kidding, right? You need 4 amps and you only have 1/2 amp and that assumes that the plugs are compatible.
March 17, 2010 2:52:42 PM

Thank you for all the answers, I am new to this, and just learn 4.0A = 4000mA Many thanks
!