New Motherboard Problems

I built my first computer and I am having some problems with it. I installed the mother board and the cpu, 8 gigs of ram, graphics card, power supply and hard drive. Everything booted up fine, windows started and i would log in and eventually, at a random time, the computer would just shut off and restart. So i tried a number of things including reinstalling every item on the mother board one by one and seeing if they were the problem. I eventually did a clean install of Windows 8 and that seemed to fix all my problems. I was playing games for hours and no shutting off or anything. It was on for about 7 hours and then it shut off again. This is the first time ive ever done a build like this and I dont know what to do anymore.

Here is my Hard Ware

Gigabyte Z77-DS3H Motherboard
Intel i5 3570k quad core processor
8 GB Kingston HyperX Red RAM DDR3 1600 Mhz
Nvidia 550 ti Graphics Card
Seagate Barracuda 1TB Hard Drive 7200 RPM SATA
Ultra LSP750 750 watt PSU

I just dont want to be constantly worried my new comp is gonna shut off randomly
6 answers Last reply
More about motherboard problems
  1. As long as you do not have the same issue again you will be fine.

    It could be that the HDD was used in your old rig was geared to run a different hardware setup and hence when you booted it with your new rig, gave you those issues.
  2. Record the time and date of each unexpected shutdown. It is important to use your troubleshooting skills to look for patterns.

    Log on to your computer and click on the "Start" button. Choose "Control Panel" from the menu and click on the "Administrative Tools" option. Choose "Event Viewer" from the list and examine the logs. Look for events that happened at the same time as your system shutdown.

    Look for patterns in the events listed. If, for instance, the same program is listed in each of the relevant events, you can be fairly certain that is the program causing the problem. Removing and/or reinstalling that program should replace any corrupt files and resolve the shutdown issue.

    Are there any yellow markers showing in device manager?
  3. I tried it again after I got home from work, it ran for about a half hour an then shut off. I checked the time in my logs and didn't see anything other than errors from when I turned it back on saying the system didn't shut down correctly. I went into my BIOS and the CPU was at 40 C so it doesn't seem to overheating. No Yellow that I can see in the device manager.

    I notices that in my logs there are a lot of errors about my operating system not being registered. Since I switched hard drives an reinstalled windows on this comp it says that my key is in use on another computer. I don't think this is something that can make it turn off without warning right? I plan on contacting customer support about it and getting it switched.
  4. If you have the activation number there is a number you can call to activate it over the phone. Click on start, then right-click on computer, click on properties and you should see the activation info.
  5. Ok so, whenever my comp turns off, and I check my events I get Windows Kernel event ID 41 error "The system has rebooted without cleanly shutting down first". I looked this up ( and it seems to suggest PSU problems, should I assume my PSU is bad and send it back for a new one?
  6. You could RMA the PSU. Can you get a power supply checker? Or another PSU to try?
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