Question No output from external gpu but getting output from internal gpu?

Jul 24, 2019
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Hi everyone! So lets go straigt to the point....
I am using gtx 1060 on gigabyte b85m motherboard. I am having this problem sometime. But I somehow get rid of it. Sometime I don’t get any output from gtx 1060 at this moment if I connect cable on internal gpu then everything works fine. After using internal gpu for 1 or 2 hours if I use it again on gtx 1060 it works fine then. But yesterday nothing is happening. I only get output from internal no more output from gtx 1060. So what can I do now?
 
Provide more PC specs and details from your side. What's the make and model of your PSU ? Have you tried resetting/clearing the BIOS/CMOS settings to default ?

Is the GPU properly seated on the PCI-E slot, and are the PCI-E cables connected as well ? Do you have the latest BIOS version installed on this PC ?