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Windows 7: A couple of questions

16 May 2010   #11
Jonathan_King

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by surfasb View Post
For Thunderstorms, spend $50 on a good powerstrip from APC.
If lightning hits a power strip, even the most expensive home one, it will fry it and everything on it. In a lightning storm, it's best just to unplug everything.


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16 May 2010   #12
Wishmaster

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Aphelion View Post
Quote   Quote: Originally Posted by Sean1082 View Post
Thanks for all you're great replies. I did notice that battery on the motherboard and was sure it kept information as what was mentioned. I was just wondering if It was more wear on the PSU to leave it on rather than turning it off. But yeh, I always unplug it during thunder storms.


Thanks again guys
Sean
For electronic components.. it's less wear to leave them on.

Ap
Always been my understanding and practice as well.
Supposedly more wear & tear on mechanical drives turning them on & off.

I agree with the others & also usually pull the power in lightning storms however. (even though I do have a power strip)

Speaking of:
I have heard that turning the PC complete off for say 8hrs a day, and then back on daily actually uses the same or more power. thast it best left on in this respect as well.

Any one know if this is true?
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16 May 2010   #13
Jonathan_King

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Wishmaster View Post
Quote   Quote: Originally Posted by Aphelion View Post
Quote   Quote: Originally Posted by Sean1082 View Post
Thanks for all you're great replies. I did notice that battery on the motherboard and was sure it kept information as what was mentioned. I was just wondering if It was more wear on the PSU to leave it on rather than turning it off. But yeh, I always unplug it during thunder storms.


Thanks again guys
Sean
For electronic components.. it's less wear to leave them on.

Ap
Speaking of:
I have heard that turning the PC complete off for say 8hrs a day, and then back on daily actually uses the same or more power. thast it best left on in this respect as well.

Any one know if this is true?
Let's go through the math. Even if we don't know the numbers, we can still figure it out.

When a computer turns back on from a cold shutdown, a few things will require more juice. The hard drive requires a bit more energy to spin up than spin normally, due to inertia.

That's the only hardware related extra energy usage. On a reboot, often times programs are shceduled to run, such as updates, virus scans, hard drive checks, etc. The additional resources demanded may use a bit more power.

Even if you left your computer off for 10 minutes, and turned it back on, the power saved during its off period would more than compensate for the additional resources used.
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16 May 2010   #14
Wishmaster

Windows 7 Home Premium 64bit
 
 

I was somewhat on the same lines of thinking in that regard.
Thanks for the explanation
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16 May 2010   #15
Barman58

Windows 8.1 Pro x64 x3 + Windows 10 Preview, Ubuntu
 
 

The only thing I can think of here is the tubes in an LCD monitor - Fluorescent tubes can have a much higher startup current than the running current, due to the design.
As the monitor can amount to a major segment of a PC's power usage, not so much since the CRT days of course, this may make a difference.
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16 May 2010   #16
kucing13

 

still my friends PC got fried by lightning in off and unplugged mode. weird huh
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16 May 2010   #17
HMonk

Dual boot XP Pro SP3x86 and Win7 Pro x64
 
 

Jonathan_King is spot on about power-strip surge protectors. If electrical storms are really an issue your electric company can install (costly) a lightening interrupter on the "pole" that will quash any surge. Also I'd like to remind folks who might have DSL or Dialup service to unplug phone lines from the machine (or wall). Ditto re cable or satellite hook ups.

Question: does your BIOS and/or HDD have built-in "health" monitoring ability or SW? While not foolproof, such SW can signal impending HDD failure.

Monk
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16 May 2010   #18
CarlTR6

Windows 7 Ultimate 32 bit
 
 

Quote   Quote: Originally Posted by surfasb View Post
For Thunderstorms, spend $50 on a good powerstrip from APC.
Quote   Quote: Originally Posted by Jonathan_King View Post
Quote   Quote: Originally Posted by surfasb View Post
For Thunderstorms, spend $50 on a good powerstrip from APC.
If lightning hits a power strip, even the most expensive home one, it will fry it and everything on it. In a lightning storm, it's best just to unplug everything.
Quote   Quote: Originally Posted by kucing13 View Post
still my friends PC got fried by lightning in off and unplugged mode. weird huh
I live in the lightning capitol of the US. In the summer we have daily thunderstorm and at the height of rainy season we even have three or four thunderstorms a day. I have a commercial APC. It is worth the extra money and the battery backup gives me time to shut down when (not if) the power goes out. That said, when the thunder starts and the radar shows it is heading our way, I shut down and unplug.

Even when the computer is shut down and a residential power strip is turned off, a direct lightning hit on the lines close to you can travel through the power strip and computer on/off switch.

Back when I used a dialup modem, I would have a modem fried every two years or so by lightning hitting the telephone lines. I tried to remember to unplug the telephone line; but alas, sometime I forgot.
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