Computer shuts down while installing Win 8

I recently assembled a new computer, and today, tried to install Windows 8. It went through all of the steps, and then installed devices. Finally, the screen went to this: . While on that screen, my computer completely turned off. I tried again, and saw that the previous hard drive partition made during the first install attempt was still there. I tried to make a new partition, and went through the installation process again, but got the same ending.

Any help?

Here is the relevant part of my build in case it might be of help:

Optical Drive: ony Optiarc 24X DVD Burner, Bulk Package 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM Black SATA Model AD-7280S-0B

HDD: Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

Memory: Crucial Ballistix Sport 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model

Processor: Intel Core i5-2500K Sandy Bridge 3.3GHz (3.7GHz Turbo Boost)

Power Supply: Rosewill Stallion Series RD500-2DB 500W ATX12V Power Supply

GPU: EVGA SuperClocked 02G-P4-2662-KR GeForce GTX 660 2GB 192-bit GDDR5 PCI Express 3.0 x16 HDCP Ready SLI Support Video Card

Mobo: GIGABYTE GA-Z77-DS3H LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard
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  1. Hi,

    Did you ever find the cause of this problem? I'm trying to install Windows 8, and having exactly the same thing when the 'Getting Ready' screen appears, the computer just turns off.

    Edit, because I forgot to add spec...

    Gigabyte GA-Z77X-UD3H
    Intel Core i7 3770 CPU
    Crucial Ballistix Sport 16Gb (2x8gb)
    Crucial M4 256Gb SSD
    LiteOn IHES112-115 Blu-ray drive
  2. I was having this issue, but after I logged in and updating my graphics driver. Try using MoBo Chipset just for install.
  3. Zeal514 said:
    I was having this issue, but after I logged in and updating my graphics driver. Try using MoBo Chipset just for install.

    Thanks, that's helped narrow down the problem...I was already using the motherboard graphics, so I borrowed a graphics card from another computer and it worked fine. I've now found that the problem only happens when I'm using the onboard HDMI connection - onboard VGA is fine, as is dedicated graphics.

    Unfortunately it still happens within Windows now that I've got it installed (not often, but there must be something triggering it)...does this look like a faulty motherboard, given that onboard VGA is OK, but HDMI isn't??

    Windows Event Log doesn't give many clues, just a Kernel Power error
  4. Thats what it seems. When my old old old MoBo went in 1 of my first PC builds, the computer would turn on and I would just have a black screen.

    If I were you, I'd test every component of your PC, Ram, HD's, Drives. Check out google for some diff ways of troubleshooting them. Only reason I suggest that, is because it would really suck to go and replace the whole machine for guessing the wrong part.
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