how do i know how much power my pc is using?
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To get an idea of how much power your PC uses, you'll want to visit OuterVision, which is a free-to-use power supply calculator. This service is highly detailed, works for both laptops and PCs and is used by both computer hardware professionals and enthusiasts alike.
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To find out if you need more RAM, right-click the taskbar and select Task Manager. Click the Performance tab: In the lower-left corner, you'll see how much RAM is in use. If, under normal use, the Available option is less than 25 percent of the total, an upgrade may do you some good.
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['Pick the right motherboard.', 'Update your BIOS regularly.', 'RAMming speed.', 'Overclock it!', 'Clean-install Windows.', "Change Windows' power plan.", "Disable Windows' High Precision Event Timer."]
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['Open Command Prompt as administrator. To do that, press Windows Key + X to open Win + X menu and choose Command Prompt (Admin). ... ', 'When Command Prompt opens, enter powercfg /batteryreport command and run it.']
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To get specifics regarding your energy usage, you only need one tool, really: an electricity usage monitor that tells you exactly how many kWh a device or appliance is drawing. The monitor can be as simple as a "plug load" monitor that plugs into an outlet; then you plug the device/appliance into the monitor.
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Your motherboard probably uses 50 to 150 watts, and each stick of memory requires about 15 watts. The processor needs between 80 and 140 watts of power.
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['Make sure that the speaker is turned off.', 'Connect the micro-USB cable (supplied) to the speaker, then connect the other end to a booted computer. The CHARGE indicator lights up in orange while charging. The estimated charging time depends on the power output capacity of the connected PC.']
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['Hold the Option key and click the Apple \uf8ff menu. Choose System Information.', 'Under the Hardware section of the System Information window, select Power.']
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Open your computer's Control Panel and click on System and Security. Then click on 'View amount of RAM and processor speed'.
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If you use a power supply with an 85% efficiency rating, your PC will pull about 353 watts of input power from your power company. A power supply that's only 70% efficient, on the other hand, will pull 428 watts of power from the wall.
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You use it for two hours a day, five days a week. That's 105 watts x 10 hours/week x 52 weeks/year = 54,600 watt-hours, or 54.6 kWh. If you're paying 10¢ per kilowatt-hour, then you're paying about $5.50 a year to run your computer. That's quite a range, $5.50 to $631 a year.
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Press Ctrl+Shift+Esc to launch Task Manager, then, click the Processes tab and choose "Show processes from all users". You should now see everything running on your PC at the moment. Then click the CPU column header to sort by CPU usage, and look for the process that's the most demanding. (No CPU column?
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A laptop typically uses about 50 watts of electricity, the equivalent of 0.05 kWh. This means that if a laptop is on for eight hours a day, it will cost 5p a day to run the laptop (based on an average energy unit cost of 12.5 p/kWh).
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So, now our power requirements look like this: 200W for CPU/motherboard, plus 250W for GPU, plus 75W for other components, plus 100W for overclocking. This totals up to 625W. We recommend that you select a PSU that will meet your system's target power requirements when running at 50 to 80% of its rated wattage.
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First off, every Mac has three basic states: active, sleeping, and shut down. Desktop Macs use the most power when active, of course, and although details vary by model, a 27-inch iMac idles at about 60 watts and maxes out at 240 watts, averaging about 100 watts in regular usage.
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The average energy consumption of a gaming PC is around 1,400 kWh per year. This is 10 times the power consumed by 10 gaming consoles or 6 regular computers.
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['Plug the power supply into the wall.', 'Find the big 24-ish pin connector that connects to the motherboard.', 'Connect the GREEN wire with the adjacent BLACK wire.', "The power supply's fan should start up. If it doesn't then it's dead.", "If the fan starts up, then it could be the motherboard that's dead."]