New gaming rigs having problems

Hey guys,I just built my first gaming pc and it's experience some power issues i will give you the details on the Rig first then the problems.I mostly use the PC for gaming also.
I purchased all my parts on december 31,
The specs are a:
Rosewill challenger (

GIGABYTE GV-N560UD-1G GeForce GTX 560 Ti (

MSI P67A-G43 (B3) LGA 1155 Intel P67 SATA 6Gb/s USB 3.0 ATX Intel Motherboard (

Intel Core i7-2600 CPU @ 3.40GHz (

8 GB's of ram (

OCZ ZS Series 750W (

64Bit windows 7 home premium


And now the actual problem(s) itself.

The first time i noticed the problem is when i first left the computer on overnight when i woke up it was off completely no power at all i figured that windows update might have shut it off,but it happened again the next night.It wouldn't turn on at all.I was worried so i turned it on it's side to open it up after taking out the power and turning off the PSU i went in and made sure that all the cables were nice and secure and weren't sticking out they were,So i put the case back together and tried to turn it on and bam it worked,Now the computer won't turn on AT ALL when it's standing up only when it's on its side. And then after leaving it on all night tonight(on it's side idk if that was a bad idea or not,made sure no vents were blocked and it had airflow) i wanted to see if it would turn off while i was gone,it didn't.I got home took it off lock it and everything was fine but after a few minutes it lost power completely LEDs,FANs,both case and CPU all went of completely and it started up fine. And now here i am typing this out on the computer it's running smoothly (on it's side).
Edit:First times i lost power did some troubleshooting thought it was a problem with Systems away mode,Even though i couldn't find the options to turn it off in Bios i did in windows options.And my computer stays on while i'm away for longs periods of time only when i put it on lock mode(theory don't know if it would stay on if i just left it alone like i have when i noticed the problems.)

Now for the only problem i had during the installation of all the parts was when i finished everything i tried to turn the power on and nothing got power at all i was really worried but figured out that the main Mobo power cable wasn't plugged completely into the mobo once i did that it turned on and was fine.

Now actual details about how the cables are set up is the ones near the CPu fan are zip tied together(plastic ziptie not metal so they don't accidentally hit the cpu fan) and a bunch of the power cables that are bunched up are zip tied together also so they don't rub up against the Video card heatsinks.

Thanks for reading if you made it this far :P i tried to give as much details as possible so i could get a good idea about what i'm dealing with and what i should expect from the long term health of my computer given these problems at the start kinda has me worried haha :P and if i need to look into returning some parts before the warranty is up that may be broken. Thanks!
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  1. DrAwesome109 said:

    So your saying these problems could be as simple as the power cord?Haha thanks.Will check into getting a new one or buying a new one and changing it out.Any other theory's? Want to cover all my bases thanks again for the link.
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