Please help iPhone 4S won't turn on!

Okay so this all happened months ago when ios7 came out. I tried to update my iPhone 4S software straight off of my phone in the settings to ios7 and it wouldn't work. So than I hooked my iphone up to my computer and went on iTunes and tried to update from there manually. Everything was working it said like 95% done updating but than it said this operation can't be done. Now, my iphone won't turn on, it goes to the connect to iTunes screen, but i don't know what to do I tried to connect it to iTunes and it didn't turn on. Please help I need this iphone to turn on!

Assuming your phone was never jailbroken, try the following:
Install the latest version of iTunes on your computer if it isn't there already from apple.com/itunes
Reboot your computer
Connect the phone to a USB 2 port directly on your computer, not to a USB hub. If it is a desktop or tower computer use a port on the back, not on the front
Disable your antivirus and firewall
Launch iTunes
Connect the USB cable to the computer, but not to the phone
On the phone hold the HOME and SLEEP buttons for EXACTLY 10 seconds, then release the SLEEP button but continue holding the HOME button - if an Apple logo appeared you held too long; the screen should be black when you release the SLEEP button.
While still holding the HOME button connect the end of the USB cable to the phone
Wait until iTunes acknowledges the phone, then release the HOME button.
The phone should now restore. If it doesn't note the error number and post back.

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After this story: https://forum-en.msi.com/index.php?topic=161402.0
I know it was an asus, shame on me. I returned the Asus, and the pins were bent I believe in transport so no warranty and bought a new MSI Z77A-G45 motherboard. Assembled the system again. Still no luck
Action for 200ms en then dead again.. I was fearing for the pins on the motherboard, I thought maybe I'm an idiot and Im doing something wrong with connection the cpu. But the pins are not bent so that's not it. I removed everything just a bare board. Plug in the power supply and nothing. Same problem.
I don't believe all these boards are DOA. The changes of that are so minor. All I could think of next is the PSU. I connected the PSU to an older system boots just fine. Also just tried another PSU on this new motherboard.. same problem tries to go on but fails imminently.
I googled and saw that like I thought a motherboard without a cpu should atleast go on, and maybe beep that the cpu is missing. But it should turn on. In my case it doesn't.
Also when I plug the extra 4 pin next to the 24 pin connector on the motherboard it won't go on at all. Nothing nada, remove the 4 pin and it will try for a split second and die. (like stated above)
I'm totally lost in this and I humbly like to ask some advice. I know in my last topic I've been a bit harsh and msi bashing.
Btw, the supplier tested the first MSI board and found it dead as well. So somehow I dont think these problems are connected to the first MSI board.
THANKS for your time/input!

Quote from: xmad on 04-September-12, 07:55:21
With all due respect, have you read through the manual that came with your motherboard?
If it wasn't included with your motherboard it can be downloaded here:
http://www.msi.com/service/download/manual-18064.html
Refer to page 25 in regards to Jpwr1 & Jpwr2
Re-install the mobo into your case after counting the stand offs and comparing them to the holes in the mobo after refering to page 24 of the manual.
Install 2 sticks of ram for dual channel operations as seen on page 26 of the manual.
Install your cpu and hook up BOTH jpwr1 & jpwr2 make sure you hook all 24 pins ups
Then hook up the case connectors (page 35-40)
Try to start it at this point/ w/o the discrete vga and let us know what happens. At worst with a bad cpu, it will spin up for a moment and enter a boot loop.
Ofcourse this isn't my setup as I started. I had it all wired up and connected. Inclusing memory, vga, ssd etc. But it wouldn't start, and from that point you start removing part after part to get to the point where it will start. In this case it won't.

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