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Computer will not swtch on.light just works etc.

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Check the backup battery

Posted on Oct 27, 2008

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First check the power supply cable to the motherboard remove it and then open the cpu unit remove the 20 or 24 pin power cable wait for 30 seconds and replace it after that try to start the pc

if it will not work the try to replace the powersupply unit wth a new one and see its switching on most of the time when peoples see those light and fan working they dont look back to the power supply.

Actually the power supply will switch through the motherboard if there is no proper voltage the motherboard will not function but you will see flashing lights and working fans.

After that you check with your VGA card and check for any cables are disconnected or not

If still it not working you need a techinican help.

Posted on Jul 18, 2008


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Posted on Jan 02, 2017

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mcdevito75 here, VeryGood question, very good, here we go, ------ First a re-set for the motor, I really don"t know but if there is it"s on the motor itself, you"d have to un-screw the cover just at the ceiling and let this cover slide down the chain Attached from the ceiling to the fan itself. and check the motor itself for a reset swtch, usually a red bitton. Now!! true, if the fan motor is bad it could affect the lights, here"s how, the wall switch supplies electricity to the fan motor and the pull chain on the motor turns the fan on, from the motor itself to the fan lights another wire also from the fan motor goes to the fan lights, SO!! if the fan motor is no good it won"t allow electricity to go on to the fan lights. Maybe you Fan motor is just stuck, specially if you haven"t used it in a whlie, with the wall swiotch on and fan speed on low try to gently move the fan blades them selves. If not you may have to repalace the fan.

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Ac fan comes on every thing works fine but with the ac turned on it will over heat shut off the ac and it will cool off and run fine

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try disconnecting the negative battery cable for ten minutes to reset the computer.

good luck

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When comp pluged in just a green flashing light

If you are sure that the 110 volt power is coming into the computer then the most likely problem is that th epower supply died. Obtain a new one of the same or larger wattagge as the one you are replacing . It does nto have to come from the manufacture of the computer. 

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What is it?

that means you have an aftermarket alarm previously installed have it remove from the car or try to find the swtch under the dash to unarm the alarm manually
all you have to do is locate the swtch and whit the ignition on turn the swicch ones and that's it the switch must to be small some where under the dash but if you can't find it just have some autorepair remove your ald alarm system

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