One more mechanical part which still may fail is a fan. Ergo, shutting down the MacBook will not alleviate wearing out the issue because the issue simply does not apply anymore.
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Instead of hard drives laptops have Solid State Drives (SSD) which do not have mechanical parts and they look more like microchips than disks.Īs for CD-ROMs, Apple ditched them several years ago in constant pursuit of building slimmer and lighter laptops. Most modern ultra-thin laptops, MacBooks included, do not have HDDs anymore. Those parts included hard disk drives (HDD) and CD-ROMs. Wearing down computer componentsĪ long time ago when computers had a lot of mechanical parts the ones that had moving pieces would often wear out and eventually crash. Now when you know how much you can save you can decide if savings worth the efforts. The average cost per kWh in the US is 12.47 cents, so the average yearly savings from shutting a MacBook every night will be about $3.64. A quick calculation shows that by shutting down a MacBook we can save from $2.56 in Oklahoma to $9.37 in Hawaii in one year. According to Choose Energy web site the residential rates vary from 8.80 cents in Oklahoma to 32.09 in Hawaii per 1 kWh. The electricity rates are different in different states. So, every night we can save up to 80 watts and every year we save 29,200 watts or 29-kilowatt hour (kWh). Let’s assume now that you are powering off your MacBook for a night and let’s assume that average night lasts 10 hours. I am sure that Apple products are more efficient than required by the Energy Star program, but let’s assume that a MacBook consumes 8 watts in an idle state. According to Energy Star site the notebook (MacBook in our case) should consume at most: Let’s roughly calculate the potential savings on the electricity bill.Īll Apple products are Energy Star certified. But, again, this was a long time ago, maybe 20 years, maybe more. The point of this story is to illustrate how stressful is restart for a computer. This simple change saved him enough money on electricity, so he was compelled to spend his time going and turning on/off computers instead of flipping the switch. So, he learned to turn off computers one by one at night and then start them again individually every morning. This would cause a huge surge in electricity and his bill was going up. However, when he was coming back every and flipping the switch on, all computers will start at once. All computers were connected to one switch, so all he needed is to pull the switch turn them all off at once. Energy saving when turning off the computerĪ long time ago I was told a story about a restaurant manager who managed to save electricity by turning off all point of sale computers every night. If you want to cut down on startup time, then do not shut down. It takes some time to start the machine and takes to start each individual application.If you want to know more about remote access to the MacBook read my article here. If you set up your MacBook to be accessed remotely then this option will not be available.Updates, maintenance tasks, antivirus scans, other background activities will not happen when the computer is physically turned off.Turning off the MacBook will force to clear its memory and as a result, the applications will have fewer bugsĭisadvantages of shutting down your MacBook:.This will help to increase battery lifespan.Having the laptop constantly on will wear down its components.The fan will also be turned off and there will be no more noise from it.Powering off the MacBook will save on energy bill.
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It helps to clear the memory and reduce wearing of its components. It is suggested to shut it down when you’re not going to use it for a few days. It is not necessary to shut down your MacBook every night.
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