“I try to add the graphic card, GeForce GTX 1070 in it, and somehow it is doesn't connect to my computer, please help!”
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The stock power supply inside the ARC945 - a 400W unrated beast from SOLYTECH (model number: SL-F400) - will not be able to appropriately power the GeForce GTX 1070 for two reasons: (1) 400 watts is not a safe floor when you put that rig under load [with all stock components, a max power draw of ~413watts will occur] and (2) The SOLYTECH PSU actually lacks an 8pin or 6+2 pin connector, so you wouldn't be able to ground the GTX 1070. You will need to outfit your ARC945 with a new power supply, anything from a 500W to a 650W PSU would be perfect.
I would recommend:
Sorry, there was a problem. Please try again later.I added an Nvidia GTX 1070 in mine. It can be done. You don't have to replace the power supply. There's a 6-pin power connector in your computer that says PCI-E. The 1070 requires a similar connector but with 8 pins. Connect the 6-pin plug into your graphics card. For the empty two pin slot find another power supply (doesn't have to be a working one), or cut out that two pin connector from another computer that isn't using it, and plug it into that 2 pin slot on the card. Those 2 pins are for ground only anyway, they don't have to be connected to anything. Good idea to touch the other end to your computer's case though. Download and run the driver from Nvidia. It will work.
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