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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Mean Time To Failure on Mac book

Mean Time To Failure on Mac book
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Junior Member
Join Date: May 2005
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Nov 24, 2007, 07:16 AM
 
Hi,

Is it bad to have the mac switched on all day? Or should I buy a desktop for that?

I am concerned that the mac I have is being used twenty hours a day and might get tired and stop working?

What do people think?
     
Junior Member
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Nov 24, 2007, 07:59 AM
 
I wouldn't worry much. I keep my mac on all day and the only time it shuts down is when I need it to for an update.ß
     
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Nov 24, 2007, 08:39 AM
 
don't cross-post

http://forums.macnn.com/65/mac-pro-a...ok-on-all-day/

http://forums.macnn.com/90/mac-os-x/...ok-on-all-day/

apparently not your first time: http://forums.macnn.com/82/applicati...-new-hardware/

to answer the question: no need to worry about failure from use. Worry more if you just have it running and wasting electricity, if you're trying to conserve every watt.
     
Mac Elite
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Nov 24, 2007, 08:45 AM
 
I have an old titanium powerbook from 2001 that has been on nearly every day, all day since it arrived at my doorstep. It still runs perfectly.
"Bill Gates can't guarantee Windows... how can you guarantee my safety?"
-John Crichton
     
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Nov 24, 2007, 09:04 AM
 
Please refrain from cross-posting and make sure you create threads in the correct forum.
I don't suffer from insanity, I enjoy every minute of it.
     
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Nov 24, 2007, 11:01 AM
 
Mine is pretty much on all day, being used for about 8 - 10 hours and in sleep mode the rest. The only time I restart is when it is running sluggish. It doesn't really even get turned off at all.
27" iMac C2D
     
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Nov 24, 2007, 11:06 AM
 
The fans on my mac book re on all day - I use Parralells and Safari and the CPU is > 60%

Is this a problem?
     
Posting Junkie
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Nov 24, 2007, 09:25 PM
 
It's fine to have a MacBook on all day... the shortest lived component should be the hard drive. Laptop hard drives have a service life of about 5 years, 20k power on hours, or 600k load/unload cycles, whichever comes first.
     
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Nov 25, 2007, 08:08 AM
 
I leave my iMac "on" most of the time; it uses something like less than one watt more electricity while asleep than while "off." MacBooks and MBPs are similarly miserly with electricity while plugged in. Check out the details here for your particular computer. As long as the machine is plugged in, there's no problem in letting it sit idle and go to sleep. If it's not plugged in, it'll shut down (hard) when the battery gets to a certain, very low level. It will NOT "wear out" through being on continuously, though it will use energy to no purpose if it's on and not asleep while you're not using it.
Glenn -----
OTR/L, MOT, Tx
     
   
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