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On each Hard-disk, CD-Player, Component of your computer you will find information in as to how many watts of power they consume.
It may be printed on components but more typically in the user-guide accompanying it.
The processor is a separate component of which can draw as much as 130 Watts, although mostly 65-95 watts.
When you have calculated together All the wattage from all different components in your computer, then you know the absolute minimum power your computer can be started with.
A computer these days typically spend 300 watts or more. Only some screen-cards may eat as much as 300 watts. lol
If you have many Hard-disks in your system, then the Watt Drain at start is a lot more than your calculated wattage. This because they consume a lot more when starting to spin up.
In a normal computer system I would not use a power supply that is less than 20% above calculated power drain. Some computer systems with many Hard-disks does not start unless you have 50% more than actually needed.
Wiki User
∙ 14y ago
Wiki User
∙ 12y agofind them online at sites like newegg or ebay.
Wiki User
∙ 11y agoFrom SMPS, cross green and any black wire in 20-24-pin Molex connector, if SMPS fan is running your power supply OK, if not working your SMPS is not working, replace you SMPS.
Wiki User
∙ 12y agoOpen the case cover.
Look at the metal box inside, where the mains plug goes in.
On top of the box you will find a sticker that gives all the details.
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The power supply provides power for?
Computers
What is power supply in computers?
SMPS
What is the computers power suply called?
it can simply be called a "power supply" or a PSU (power supply unit)
What are power supply connectors in computers?
Molex and Sata
Can notebook computers run on batteries or standard power supply?
TRUE
Why do computers require their own internal Power Supply?
Computers require their own internal power supply because the power required to power most newer computers, especially with high-end graphics cards, would require a bulky power supply which wouldn't be ideal in transporting computers or aesthetically. Also, with all of the other internal parts of a computer, some type of power interface would be necessary within the PC anyway, so why not just bundle it all together?
When was the first Universal Power Supply Invented?
The first power supply was invented by Thomas Edison. It is unknown when exactly the first universal power supply for computers was invented.
Which option represents the main advantage of having an internal power supply in a computer?
All computers have an internal power supply... An external one is simply for back up if you lose power.
What is an external power supply?
A power supply that is designed to be outside the case of the computer. Most laptop computers use an external power supply rather than an internal one to reduce size and weight while the laptop runs on battery power.
What is the number of computers connected to novell netware?
there are how many computers you can get connected to
What are the typical ratings for a computers power supply?
300Watts for low end and 950Watts for high end
What is uninterrupted power supply?
Uninterrupted Power Supply (UPS) is a device that being used to secure the stability of power supply for the protected equipments (which are mostly IT equipments like computers and servers). If there has no UPS, sudden fluctuations of the utility power (so called raw power) will affect the business operation.
