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Power will not turn on,checked all power connections

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Replace your PSU then test all leads that are attached to your hard drive sounds like a faulty lead of some sorts then
try replacing all the leads that attach to your hard drive including electrical extensions + IDE,SATA and the ones that attach from your motherboard to hard drive
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty because a computer has to have an end to the circuit any fulty leads will lead to no boot up
good luck

Posted on Sep 15, 2010

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Posted on Jan 02, 2017

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Apart from the obvious electrical connections, you could try checking each fuse. Sometimes they appear to be ok but 1 end of the fuse may be broken and touches intermittently. Try lightly tapping each fuse 1 at a time with the handle of a screwdriver and see if anything goes on and off.

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First check that all connections are good. turn off power and take off the cover plates pull out the wires connected with wire nuts and check that they are not loose remove any electrical tape covering the nuts and turn power back on. with a meter check that you have 220 at the connections. if all is good at the incoming service check the upper element if power passes it in parallel check the exiting connections.if good there check the bottom power if you have 220 there either your element is bad or the thermostat. check the element by turning off power again and check the element with a continuity tester. if the element is good then your thermostat is probably defective try turning it up higher and see if you get 220 out of it.

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Try connecting it to a power outlet and check it turns on. If does then the replacement Battery is faulty. Once connect to power outlet check the battery connection from the GPS if they give out any power (You will need a multimeter to check). If the is power coming out from the GPS to the battery connection then the battery is the problem, Make sure to check the battery too. If it works or no.

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Check your power cord, power socket, try connecting something else on the socket, try connecting the tv on another socket, ohhh, did you recently have a power outrage?

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Screen is "frozen" or completely black, or Power button does not work
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Cannot turn on the printer even if connections are ok ?


The only thing that could stop you from turning the printer on other than a broke printer is the power/power cord is not connected. The printer should turn on without a USB or parallel printer cable attached.

If no lights are showing when you try to power the printer, check the power connection in the back of the printer to ensure it is plugged in, check the plug into the adapter is connected and that the power cord's plug is connected to the wall outlet - if you have a power strip make sure it is turned on and the circuit breaker is not popped. Make sure that there is power to the outlet by plugging in something else to show it has power. If all of those check out ok and you have a meter, check for voltage at the power connector at the printer (pull the plug out of the printer and check voltage from inside the plug to outside the plug. It should be 18 vac.

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Hello,

have you checked the power pack connection if it is well connected to the mother board?

Also, does the fan on the power pack work when you turn on the mother board.

Since its not turning on, then the problem is a power related is problem. Therefore, you need to check those areas that supply power into the motherboard, such as the; power cable/cord, power pack, etc.

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Hello, First of all you only have the Power wire Red, and the ground wire Black to connect for 12v DC to power the unit. If you memory power it is usually connected to a constant power source such as the cigarette lighter or continuous 12V dc powersupply off of the battery. These are the only connections that should be connected to provide power. Since the unit will not turn on I suspect that the CB's power supply and regulator have been blown. Another possible choice is that the radio was working and someone removed the antenna cable and the the RF power amplifier malfunctioned taking the power supply and regulator with it. To solve this problem, check the voltages on the wires before connecting them to the radio (these should be the 12 volt power off of the radio circuit, and the 12 volt power off of the continuous 12V connector (or the cigarette lighter). These voltages should read 12V. Connect the CB with it turned off and measure the voltages (should be 12V) Turn the radio on and check the voltages (should be a little less than 12V) If the radio does not come on then the internal power supply of the radio might be defective (In this case I would advise taking the CB to a qualified radio repair shop) I hope this helps Thank you, Shuttle83 http://www.electron-age-technologies-llc.com

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