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Windows 7: Power on pc with usb keyboard?

21 Feb 2011   #11
alphanumeric

Windows 10 Education 64 bit
 
 

While your case power and reset buttons may look different, electronically they are identical. As a temporary solution you could connect the cable from your reset button to the pins on the motherboard where your power button is connected now. Then just push the reset button to turn it on.


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21 Feb 2011   #12
Prof Kerfuffle

Windows 7 Professional (x64/SP1) /Linux Mint 16
 
 

Quote   Quote: Originally Posted by alphanumeric View Post
While your case power and reset buttons may look different, electronically they are identical. As a temporary solution you could connect the cable from your reset button to the pins on the motherboard where your power button is connected now. Then just push the reset button to turn it on.
Now that is a solution. Never thought of that.
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21 Feb 2011   #13
alphanumeric

Windows 10 Education 64 bit
 
 

It should also confirm that it is the case power button that is faulty. If it works it was the power button, if it doesn't you have a motherboard problem or two bad switches. I can't remember the last time I actually had to use my reset button. maybe back in my windows 9X days.
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21 Feb 2011   #14
Prof Kerfuffle

Windows 7 Professional (x64/SP1) /Linux Mint 16
 
 

Quote   Quote: Originally Posted by alphanumeric View Post
It should also confirm that it is the case power button that is faulty. If it works it was the power button, if it doesn't you have a motherboard problem or two bad switches. I can't remember the last time I actually had to use my reset button. maybe back in my windows 9X days.
It works fine and I never thought of that. The wire snapped on the power button. Thats why it doesn't work.

Thanks anyway I gave you some rep
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21 Feb 2011   #15
Prof Kerfuffle

Windows 7 Professional (x64/SP1) /Linux Mint 16
 
 

Quote   Quote: Originally Posted by thefabe View Post
I've never heard of a keyboard that can do a cold start if that's what your asking.
I could be wrong but it seems it would have to be linked to your start button somehow.
Fabe
You can with a ps/2 keyboard. It worked with that not the usb but nvm anyway I add some rep anyway
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21 Feb 2011   #16
alphanumeric

Windows 10 Education 64 bit
 
 

Quote   Quote: Originally Posted by Prof Kerfuffle View Post
Quote   Quote: Originally Posted by alphanumeric View Post
It should also confirm that it is the case power button that is faulty. If it works it was the power button, if it doesn't you have a motherboard problem or two bad switches. I can't remember the last time I actually had to use my reset button. maybe back in my windows 9X days.
It works fine and I never thought of that. The wire snapped on the power button. Thats why it doesn't work.

Thanks anyway I gave you some rep
Glad it worked for you, beats buying a new case. If you know someone thats handy with a soldering iron they could probably fix that for you. Thanks for the rep.
My System SpecsSystem Spec
21 Feb 2011   #17
alphanumeric

Windows 10 Education 64 bit
 
 

Quote   Quote: Originally Posted by thefabe View Post
I've never heard of a keyboard that can do a cold start if that's what your asking.
I could be wrong but it seems it would have to be linked to your start button somehow.
Fabe
There is an auxiliary +5V supply inside the power supply that is always on. It feeds a circuit on the motherboard that turns the PC on. That circuit is always active as long as the power supply is plugged in. The power switch on the case is a momentary contact normally open switch. It only makes contact while being depressed. As soon as you take your finger off the circuit opens again. The power on circuit on the motherboard monitors the case power button for a press. If it senses that the button was pressed it powers up the rest of the power supply. On my ASUS motherboard, that 5V aux supply can also be feed to my PS2 ports. That powers up my PS2 keyboard and mouse even if the PC is powered down. The power on circuit on my motherboard also looks at my PS2 ports for any button press. Press a keyboard button or mouse button and my PC would power on. I only wish it would work for a USB keyboard or mouse. I've replaced my USB trackball with a wireless one and my keyboard is USB so I can't use this feature any more. I suffer from chronic back pain so it was nice not to have to lean over to reach down and turn on my PC.
My System SpecsSystem Spec
06 Jun 2012   #18
Koomoa

Windows 7 Ultimate x64
 
 
Wake on lan

I know this is kind of late response. What you should try is "Wake-on-lan". You can use your smart phone to turn your computer on and off with a app.
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 Power on pc with usb keyboard?




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