Hello guys, out of ideas what to do :(
Posted 10 September 2014 - 01:07 PM
Posted 10 September 2014 - 03:11 PM
Please provide information about your computer, this includes is it a custom build or brand name such as Dell or HP, if it is a brand name provide the model name or series number (not serial) if a custom build post the brand and model name or number for the MB, add on video card if one is used and the PSU (power supply unit) providing these details will enable us to better assist you.
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Posted 11 September 2014 - 11:40 AM
Posted 11 September 2014 - 03:54 PM
Please try removing both video cards and all Ram then powering up the computer to see if the behaviour changes.
If you are using a USB type keyboard and mouse try a wired PS/2 type in case of a keyboard error.
Post back with an update for us.
Posted 12 September 2014 - 09:11 AM
Posted 13 September 2014 - 02:40 AM
Just to clarify, is the MBs stand by LED a brighter green showing that power is present and not dark green which is the case when no power is present.
This could possibly be a bad power button on your case, while it is unhelpful if it is the cause it is also the least expensive to repair.
You have a 750W PSU, can I ask what the brand and model name or number details are, the same for the PSU that has been replaced please.
My next suggestion is for you to remove and do a basic test of the PSU so that you can at least confirm that it powers up, a Corsair video tutorial to help here if you still have the original PSU you can also test that.
While the PSU and other hardware is removed you will have the opportunity to check that the power button is securely connected to the header on the MB and the condition of the Caps, see PCStats information here, if the PSU activates and the connections to the MB look good;
1: Return the PSU to the case but only connect the 24 pin EATX power supply connection and the 8 pin 12V ATX connection.
2: Disconnect the case switch connection from the header on the MB.
3: Make sure that all internal wires are tucked securely out of the way.
4: Connect the power cord to the power outlet/wall socket and turn it on.
5: Bridge the two pins as described in the attachment below, you can use a small flat bladed screwdriver if you do not have a paperclip.
Good luck and let us know the testing and checks go
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