Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: Spark made when plugging in computer

30 Oct 2014   #11
Computer0304

Windows 7 Professional 32-bit/Windows 8 64-bit/Win7 Pro64-bit
 
 

Ok, then, I guess we aren't taking it too far. Well isn't the spark on the surge protector outlet because of the starting flow of electricity when plugging it in? Also, I just plug the surge protector out of the wall completly when the computer is shut down because I am that worrying that a surge too high could damage the surge protector and get to the computer.


My System SpecsSystem Spec
.
30 Oct 2014   #12
Itaregid

Windows 10 Professional 64-bit
 
 

Quote   Quote: Originally Posted by Boozad
Turn the power off at the wall before plugging it in, always turn it off at the wall. Only turn it back on when everything's plugged n at aboth ends.
Do note that most of the world don't have switches at the wall plug! I never saw it when was in mainland Europe (France, Spain, Germany, Portugal, Belgium), only when I lived in the UK. Japan, the US and Canada don't, and most of South America don't either (not sure about all of Brazil).


Quote:
Ok, I'll do that on my surge protector since the wall outlet does not have an ON/OFF switch.
I am NOT in favor of using surge protectors at all. They are little more than expensive extension cords that do absolutely NOTHING for low voltage events, and simply cut power during excessive high-voltage events which can and often does result in corrupt data. So I recommend all computers be on a "good" UPS with AVR - though that is for another discussion.

But I am even less in favor of killing power to the computer with the surge protector's power switch unless (1) Windows was properly exited and the computer properly shut down first and (2) nothing else is connected to the protector.

If your PSU does not have a master power switch on the back (it is not an industry standard requirement) and you need to unplug the computer, I recommend unplugging at the wall (unless you do have a wall switch - assuming the 2 conditions above are met) and not the back of the PSU. This is ensure any spark does not come anywhere near any data circuit. Also, wall plugs are more robust because they are designed to be plugged in and pulled out frequently where on the PSU side, they are designed to be plugged in and left. Frequent plugging and pulling can cause wear and result in a poor mechanical connection resulting in a poor electrical connection.

Quote:
On a PC, if the power supply power switch is on, the power supply is working to some degree.
To further clarify, the ATX Form Factor standard requires all PC power supplies to provide +5Vsb standby power to several points on the motherboard when the computer is shutoff, but still plugged into the wall - and "IF" equipped with a master power switch, the switch is set to on. If no switch the +5Vsb must be there. This +5V is essential for the various "Wake on..." commands - such as Wake on LAN, Wake on Mouse and Wake on Keyboard to allow you to wake your computer out of sleep by wiggling the mouse or pressing a key. Also, the front panel power switch is really a remote switch and uses that +5V too.
My System SpecsSystem Spec
30 Oct 2014   #13
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Itaregid you make some very good points.
I personally have never owned a power supply that didn't have a switch on the back. I don't even know where I could by on if I wanted it.
I have no idea what the standards are in various countries.
I really don't understand the differences of turning off a surge protector and unplugging from a wall socket. The same results. Removing all power to the computer power supply.
My System SpecsSystem Spec
.

30 Oct 2014   #14
Itaregid

Windows 10 Professional 64-bit
 
 

Quote:
I personally have never owned a power supply that didn't have a switch on the back. I don't even know where I could by on if I wanted it
Many cheap, generic, off-brand, and budget supplies don't come with a master power switch. Experienced self-builders don't buy cheap, generic, off-brand, and budget supplies so not likely to see one without.

Unfortunately, many cheap, generic, off-brand and budget computers come with cheap, generic, off-brand, and budget supplies. And even some quality cases have cheap, generic, off-brand, and budget supplies "tossed in" to make the case sale.

Quote:
I really don't understand the differences of turning off a surge protector and unplugging from a wall socket. The same results. Removing all power to the computer power supply.
I might not have been very clear on that. For the power supply, you are right, it is the same results. My concern was a surge protector often has more than just the PSU plugged into it. For example, maybe the router or modem and killing the power to the strip would take down the whole network for all users, not just you.

Also, I have seen where users of strips forget to "gracefully" exit Windows first, and just kill power. This can result in corrupting critical system files, and an unbootable computer. Of course, that is a problem with just pulling the plug too but I feel pulling the plug is a more deliberate action and thus the user will hopefully not forget to gracefully exit Windows (probably wishful thinking on my part).

Quote:
I have no idea what the standards are in various countries.
And with posters coming here from all over the world, that is exactly why we cannot assume they have a wall outlet switch. That said, if you want to know (more or less) see Country Household Voltages and Plug Styles. I say "more or less" because some countries use different standards.
My System SpecsSystem Spec
30 Oct 2014   #15
Computer0304

Windows 7 Professional 32-bit/Windows 8 64-bit/Win7 Pro64-bit
 
 

@ Itaregid I always remember to shut down the computer before turning the surge protector off or unplugging the pc. And also, I can't buy a UPS here in Korea since it is so hard to find one in stores. Also, I usually just shutdown my computer and completely unplug the surge protector on a day that could have a thunderstorm to completly protect it from surges.
My System SpecsSystem Spec
31 Oct 2014   #16
Itaregid

Windows 10 Professional 64-bit
 
 

Quote:
@ Itaregid I always remember to shut down the computer before turning the surge protector off or unplugging the pc. And also, I can't buy a UPS here in Korea since it is so hard to find one in stores. Also, I usually just shutdown my computer and completely unplug the surge protector on a day that could have a thunderstorm to completly protect it from surges.
Sounds like you are on top of it!
My System SpecsSystem Spec
Reply

 Spark made when plugging in computer




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
Computer Freezes after Plugging In USB Device
Hello, everyone! I would like to request for assistance regarding the stated problem above. Whenever I plug-in my flash drive into the front USB port of my CPU casing, my computer suddenly stops responding to the point that you cannot do anything without pressing the RESTART button. Then, after...
Hardware & Devices
Does Plugging in a USB save any hidden files to your computer HDD?
I was wondering, I'm very OCD and I like to keep my computer clean of any unwanted files. When you plug in a USB does it save any files/hidden files to your computer HDD? When you clean all/format a USB does it save any backups or anything to your computer HDD? I'm just quite autistic...
General Discussion
Plugging a USB drive into a USB port made it erase..?
Today my friends little brother plugged my usb drive with important school papers into a messed up port and when I plut the usb into another port it says you need to format the drive when i go to computer>mange>disk management it says RAW is there any way I can recover the files without formatting...
Hardware & Devices
Plugging in notebook computer causes stuttering
Hi I have this weird issue where my notebook starts to stutter after coming out of hibernate whenever the power is plugged in. The mouse doesn't move, the audio goes out, videos stop, and sometimes I get a black screen that disappears in ten seconds. Sometimes after the black screen I get a...
General Discussion
I just made my new computer!!!!!
OMFG!!!!!!! Im typing on it right now!!! And looking at its 17' wide screen! AHHHH Check out this bad-boys specs. The parts cost-ed me around 1,750 US Dollars, but i got many of these things cheap (From my dads business/business contacts.) Assembly time: Took me about 5 months due to school...
Chillout Room
Laser Ignition May Replace the Spark Plug
Following collaborative work with Ford Motor Company (Dearborn, MI) and GSI Group (Rugby, England), engineers at The University of Liverpool (England) have reported encouraging results in their quest for laser ignition (LI) in automobile engines. The approach offers the potential to address both...
Chillout Room


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 07:47.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App