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Wiring up auxiliary PC on/off switch


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I got motivated last weekend and bought a small toggle switch so I could turn the internal PC on without having to open the front door (it's an upright). I spliced the wires for the switch onto the existing PC front panel switch which worked somewhat - I could turn it on using either. Unfortunately it would hang just after the XP loading screen or blue screen just after that as it went to load the windows desktop.

 

Is there something I've done wrong? For the moment I've just left the external switch connected as I can use that all the time anyway but it would be nice to make both available.

 

Any tips/tricks to this?

 

Thanks

LT.

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Sounds like a OS issue. I user a normal CP button that is mounted above the monitor.

 

Did you disconnect the old power switch or just tap into the lines?.

 

I would only have one switch in the line.

 

With some switches you get a thing called bounce in the switch. this means whem the switch changes state it will flapp on and off from that state. So user a good quality switch.

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From experience there is no way that the power swtich would cause a hang or BSOD provided it is ocnnected to the right terminals on the board (assumed for the purpose of this exercise of course).

 

Distance should be no issue unless it is a LONG way away and even then it would only be when powering up that you would experience the problem as distance would create the effect of OPEN circuit rather than CLOSED circuit (The switch creates a closed circuit momentarily)

 

I have tried on 3 machines to create a problem by messing around with the power button and the best I can achieve is an actual windows controlled shutdown. Other than that it just keeps on keeping on (assuming windows of course)

 

Put the old switch back on and try the "old" way and be sure you don't have a "coincidental fault".

 

Stu

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