Question RTX 3070 Ti with Asus Maximus VIII Hero not working

[q8xbox360]

I have install on RTX 3070Ti on my old pc that have Asus Maximus VIII Hero motherboard but the card does not work display black screen but when unplug the card from power supply and use hdmi within motherboard works fine. Is this issue from motherboard configuration or power supply ?


Motherboard: ASUS Maximus VIII Hero (Intel Z170)
CPU: Intel® Core™ i7-6700K Processor (8M Cache, up to 4.20 GHz)
- Memory X 4:
* Kingston HyperX Predator 32GB Kit 3000MHz DDR4 (2 x 16GB)
* G-Skill Ripjaws V F4-3200C16D-16GVRB DDR4 (2 x 8GB)
Video Card: Navidia GeForce RTX 3070-Ti
- Hard Disk X 5:
* WD 2TB Blue SA510 SATA SSD
* Seagate ST3000DM001-1CH166 3TB
* Seagate ST2000DM001-1CH164 2TB
* Western Digital Black WD3003FZEX-00Z4Sa0 3TB
Power Supply: Corsair AX760 ATX
Case: Obsidian Series™ 650D Mid-Tower Case

 

[boju]

Did you connect video cable to graphics card? Igpu is disabled with a discrete gpu installed.

That's the only reason for no display. If you did connected video cable to graphics card and no display then there's something wrong with it.

 

[q8xbox360]

Did you connect video cable to graphics card? Igpu is disabled with a discrete gpu installed.

That's the only reason for no display. If you did connected video cable to graphics card and no display then there's something wrong with it.

Yes, through HDMI and the card has no problem since i was using it in my main pc until upgrade it so i decide to use this card for old one

 

[q8xbox360]

one more thing I have to unplug the GPU from PSU in order to make motherboard HDMI works