R9 290 No Signal Under Heavy Load /3dmark

[Dynamo93]

Purchased R9 290 tri oc (sapphire),runs good most of the time but sometimes I get no signal under heavy loads. I think my 500 W cooler master is not enough power for it, could this be caused by insufficient PSU?

I am thinking of purchasing this PSU INSTEAD http://www.microcenter.com/product/406089/CX_Series_CX750M_750_Watt_ATX_Modular_Power_Supply

Would this be sufficient?

 

[smeezekitty]

I would say that 500w is definitely not enough to comfortably power it.

 

[ish416]

You are lucky if you haven't damaged the card or any other components with that junk power supply.

The CX750 will provide enough power.