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I think my video card is freezing my computer

So about a week ago I bought a new computer (bought the parts separately and all on pcpartpicker to check they were compatible.
current spec:
Intel i7 3770k (with stock fan)
16gb ram
ASROCK Z87 EXTREME 4
120gb SSD
Corsair CX750M power supply
ASUS EAH5770 HD Series

the computer worked perfectly (keep in mind the graphics card is my old one and was waiting for my new one MSI GTX 780 TWIN FROZR)
and when I finally got my card and installed all the drivers, my computer got really hot including the power supply. I usually keep the side panel off my case and could feel the hot air blowing on my hand while playing games.
after a few hours the card would make weird noises, and freeze my computer with both my screens frozen and with the last second of sound repeating itself. I had to hard shut down and it did again while I was just talking to people on skype (not running any games or videos)
alas I put my old card in and it works fine... help? sorry for long text and my english

EDIT: When I installed my nvidia drivers my cataclyst drivers were still on the computer, could this cause the problem?
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  1. Pjanoo1 said:
    So about a week ago I bought a new computer (bought the parts separately and all on pcpartpicker to check they were compatible.
    current spec:
    Intel i7 3770k (with stock fan)
    16gb ram
    ASROCK Z87 EXTREME 4
    120gb SSD
    Corsair CX750M power supply
    ASUS EAH5770 HD Series

    the computer worked perfectly (keep in mind the graphics card is my old one and was waiting for my new one MSI GTX 780 TWIN FROZR)
    and when I finally got my card and installed all the drivers, my computer got really hot including the power supply. I usually keep the side panel off my case and could feel the hot air blowing on my hand while playing games.
    after a few hours the card would make weird noises, and freeze my computer with both my screens frozen and with the last second of sound repeating itself. I had to hard shut down and it did again while I was just talking to people on skype (not running any games or videos)
    alas I put my old card in and it works fine... help? sorry for long text and my english


    Had same issue with 770.Purchased nzxt 630 yesterday.
  2. Remove the drivers for both cards and install only the new cards drivers, if that doesnt work i would think RMA the card as that doesnt sound too good
  3. Best answer
    Your looking at about a 42amp draw alone when the 780 card is in full swing.
    The power supply you have states it is two 12v rail switching type.

    That means depending on the draw on each rail it will divert the wattage and amps required on the 12v rail.
    The total amount of amps shared for switching is 62 amps.

    That leaves about 20A for the rest of your system components that are also drawing from the 12v rail.
    Including ssd, Hard drives, optical drives, motherboard phase connections for Psu and to supply the Pci- slot of the board with 75w of power and amps.

    You should always uninstall any old graphics drivers from your system before you fit a new card, and in the case of it being a different band it will hamper the performance of the new card.

    The Psu is good quality so i would test to see if it was a driver related problem first.
  4. Whats the best way to remove my current drivers? I heard its harder then just removing them from programs
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