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Does restarting desktop each day have any adverse impact?

By onbliss ·
For a long long time, I have the habit of restarting my machine before I leave work, at the end of the day. Before this habit I used to shut the desktop off.

My coworker said that sometimes "restarting" everyday could adversely affect the computer. He talked about variances in temperature and what not. To put it simply I did not understand :-(

So here is my question: Does restarting the desktop each day reduce its life compared to restarting it less often? Or does it in anyway have a negative impact on the desktop?

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surge protection

by w2ktechman In reply to But....

is a must. But I also recommend a UPS. Currently all of my systems are on UPS's, as I have had problems in the past with blackouts.
a blackout (and bad shutdown) may cause HW problems of all sorts, often HDD issues. Most recent experience of a powerout was that all components on a USB hub, the hub, and the USB port on the system all died. And this was on a surge protector. I had to replace the hub, mouse, and the front panel port.

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Surge Protection with Backup UPS

by GirlGeek12 In reply to surge protection

doesn't always do the trick with surges. I had a pretty hefty surge protector with battery backup in one of my closets and a cisco switch fried while it was connected along with the surge protector. If the surge comes through the ground side, nothing is gonna stop it. That's why I'm all for shutting down pc's before people leave. You never know what kind of weather we will have.

That's not to say that I would get rid of my surge protectors just because one piece of hardware fried, they just aren't 100% and people need to realize that.

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Theory vs. reality

by creationsunltd In reply to Theory vs. reality

I shut my computer down at night. I think it works better, and if there has been some small glitch or problem, that seems to work itself out also. I also don't like leaving my wireless set up on at night, should someone come by and steal my information.

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Restart versus shutdown

by mjd420nova In reply to Does restarting desktop e ...

As with most all electronic equipment, the biggest strain on the hardware is the cold start up routine. This puts the biggest strain on the power supply, system board and all parts in general. Large company/corporate businesses can achieve large cost savings by having all users shut off their machine before going home. Schedules can be set up to automatically turn their machines on prior to users arrival, and updates etc. can be done at those times. However for most home users, leaving the units on forever really does no harm, and only negligible savings would be noticed by shutting down the machine nightly. Scheduled times to due updates for both WIN and virus checkers can be done at night, and not infringe upon users times during the day. I presently have a unit that has been on continuously for two years, and nightly updates make system maintenence transparent and takes away no time from users during the active daytime hours. Daily restarts are done at the end of the day, and facilitate updates that are triggered by start up routines. It's six of one, a half dozen of the other. Whatever is the easiest for the user, but at least a restart should be done daily.

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Mj, since the

by Old Guy In reply to Restart versus shutdown

cold start up could have that kind of effect why would even large companies want to shut them down each night. I agree that home PC doesn't use enough power to even realize it on your electricity bill but would it make that much of a difference in a larger corp?

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Electricity cost savings of daily shutdown

by TechExec2 In reply to Mj, since the

"...would it make that much of a difference in a larger corp..."

Not as by percentage of total corporate expenses. But, a corporation with thousands of PCs will save substantial amounts of money on electricity costs. If the PC is only in use about 8 out of 24 hours, that 16 hours of running unused really adds up.


According to a Microsoft article (link below):

"Lab tests done by Dell show that a PC running Microsoft Office uses 42.7 watts, McCall says. If it runs continuously at that rate for 365 days, at 7 cents per kilowatt-hour, the power consumption costs would be $26.18 for the PC and $45.99 for a regular monitor, for a total of $72.17 for the workstation."

If a large corporation has 5,000 PC workstations like this, the annual electricity costs are:

24 hours per day........... : $360,850

minus 8 hours per day...... : $120,283

equals Savings............. : $240,567


If you are working at a such company that does not already have a "daily turn off" policy, you might earn yourself a good sized bonus by recommending this and saving them a cool quarter million dollars EVERY SINGLE YEAR. I know someone who got a $10,000 bonus who did exactly that. You heard it here first. It's spelled "T-E-C-H-E-X-E-C-2" :-).


IMHO, any strain on hardware caused by daily shutdown/startup is greatly overstated. It's a myth.


Do you need to turn off your PC at night?

edit: clarity

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Your reference stated

by Old Guy In reply to Electricity cost savings ...

"running Microsoft Office uses 42.7 watts." If no programs are running and the monitor is suspended, or turned off then the amount of electricity the PC uses would be greatly reduced. Do you have any tests results on that?

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Working backward from...

by TechExec2 In reply to Your reference stated

Working backward from the figures in the article...


The regular monitor (CRT) electricity cost was $45.99 out of the total $72.17 annual cost. So, leaving the PC on and turning the monitor off would be:

24 hours per day for CRT monitor...... : $45.99

minus 8 hours per day................. : $15.33

equals savings........................ : $30.66

times 5000 PCs........................ : $153,300

I doubt there would be much difference in electricity cost between running Office and not running Office. I have no figures for that.


As you likely know, replacing old CRT monitors with new LCD monitors will save a lot of electricity also. The MS article said regular CRT monitors use 75 watts while LCD monitors use only 22 watts. That would be:

( 22 / 75 ) * $45.99 = $13.49 operating cost per year for the LCD monitor

LCD savings is then $32.50 per year when operated 24x7x365 ($162,500 annually for 5,000 monitors operated 24x7x365).

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Larger companies have a turnaround

by w2ktechman In reply to Mj, since the

on average of 3-4 years with a new system. This is not always so, but in general. Home users often wait until their system dies completely in 3-8 years before replacing, depending on needs.

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That's policy here

by Maevinn In reply to Restart versus shutdown

You restart at the end of the day. Some are pushing to have users restart when they go to lunch, as well.

Restarts are essential to a healthy system. While most of the reasons are related to software, hardware issues are relevant. And, I must distinguish between a restart and a cold doot--not the same creature! A restart won't result in a serious temperature swing in your machine--the power isn't gone for long enough for lines to cool. If you shut the machine down at the end of the day, it really is 'cold' the next day when you turn it on. I've seldom had power supplies or fans die while a machine is running or during a restart---they tend to go on a cold boot. Says to me that the cold boot is harder on the components.

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