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Not usually. Any electrical part can go bad though. Usually if electronics are going to fail it is within the first 24 hours or so.
The only time I had to change a power supply is because I wanted more power.
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∙ 12y ago
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What is fuction of power supply?
The power supply makes the computer run, without any type of power supply it would be impossible to run a computer. The mains power supply for a laptop and the power supply unit of a desk top, both convert the high AC voltage from the mains power and convert it to low voltage DC, for the electronics of a computer to use.
What effect does a power spike have on a computer?
A power spike - also known as a power surge - could harm a computer if the computer's power supply has a low joule (unit of energy) rating. A power spike, a sudden increase in energy, can overwhelm a computer's power supply and cause too much electricity to flow to sensitive chips and processors and destroy them. To safeguard against power spikes a surge protector should be bought. A computer power supply with a high joule resistance rating would work as well.
Is A computer power supply rated at 300 to 500 W?
Computer power supplies (PSU's) have a variety of ratings including as low as 200 W and as high as 1200 W. The power rating of a computer's PSU depends on the devices installed on the computer.
What are advantages power supply in computer?
The power supply converts the high voltage (e.g. 120VAC in US, 240VAC in Europe) alternating current house electricity supply down to the various different low voltage direct current supplies needed by different devices that make up the computer. These low voltage direct current supplies are tightly regulated in the power supply circuitry to prevent transients in the house electric supply from perturbing the computer's electronics as well as to compensate for variations in power demand as the different devices that make up the computer operate.
How does the watt rating of a power supply affect devices you can use in your system?
The higher wattage rating means that your computer will run more efficiently with more components (hard drives, DVD burners, high end video and sound cards etc.) without robbing power from the processor and mother board.
How expensive is it to build a high voltage power supply?
There are many guides on the internet for building a high voltage power supply. The average cost for building one of these power supplies is around $20.
For what are high voltage power supplies typically used for?
High voltage power supplies have many uses. It is most commonly used to supply power from a device to the circuit. These are great for people who need to supply their house with power.
What problems can a faulty power supply cause on a computer system?
1: It can cause the computer to not have power, at all, so that when you press power, absolutely nothing happens. 2: If it's surge protecting feature is down, it could let a surge through and damage components.
What is the difference between a transformer and a rectifierwhich are found in a PC power supply?
The rectifier is what changes your AC into DC that the computer can use. Transformer raises or lowers the voltage. So you have 110 volts AC coming into your computers power supply. The Rectifier circuit in there changes the AC voltage to DC voltage but it is still to high for the computer use. The transformer lowers that voltage down to the various voltages that your computer needs
What is the percent of your computer's power that the screen uses?
This depends on the screen type, the screen size, and also the computer's power. For example; a low power computer may use 200watts, where a high power gaming setup might use 800watts. A screen could use as little as 5watts, if it is a small LCD screen, while a big CRT monitor might use 200watts. Your screen should tell you it's power usage, as should your computer, if you examine the power supply.
Do high-spec desktops need a special power supply?
A good power supply plays a fundamental part in the stability and reliability of desktop computers. Corsair, Seasonic and Antec each manufacture high quality power supplies.
Which ups should you get for a 550w power supply - 600va or 800va?
A computer power supply does not pose a seriously complex load ('complex load' in its electrical meaning); in other words, a computer power supply wattage (e.g. 550W) will be approximately the same as is VA value.However, a computer's power supply is typically rated after its nominal output power. Since it can't operate at 100% efficiency, the input power will be higher than 550W under maximum load.The power supply's technical data should tell you its rate of efficiency or its input power under maximum load, and you can chose the UPS accordingly.You could also chose a less scientific approach and justify the purchase of the 800VA, the 600VA, or even 400VA UPS: The bigger UPS will be overrated for this particular power supply, but might provided the better investment as it can support additional (small) devices and is likely to be sufficient in the event of a computer replacement (which might have different power requirements).However, the 600VA unit will probably be just fine for this particular case.You could also argue that the 550W power supply is a nominal power rating; it is the power the power supply is specified to sustain under full load. Your computer will very rarely come anywhere near this, and you could argue that high power number-crunching or DVD writing may not be required during a general power outage, making a less expensive apparently underrated UPS sufficient to sustain operations or data for the expected duration of a general outage.
