New GPU, Fan Turns Then Off & no HDMI signal

Jun 15, 2018
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I got a new GeForce GTX 1050Ti OC card today. When installed and connected via HDMI, I don't get any signal on the monitor. I can boot fine with the onboard graphics card, where I can see the Device Manager has no entry about the new hardware.

The GPU does start as the fan rotates for a few second when booted (I was told its normal). I have a 500W PSU, and the GPU recommends 300W; so no problem there. Any idea?
 
Jun 15, 2018
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CPU: i7 6700 3.4GHz
GPU: Gigabyte GTX 1050Ti N105TWF2OC-4GD
RAM: Corsair Vengeance 8GB DDR4
PSU: ValueTop 500W

The PC can be run fine with the onboard graphics, as I'm posting now.

P.S., yes, me and qounik are talking about the same PC.
 
Jun 15, 2018
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I've already tried, it says no compatible hardware found