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Random no signal.

Tags:
  • Computers
  • Monitors
  • Shutdown
  • Graphics
Last response: in Graphics & Displays
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November 5, 2013 8:17:43 AM

Today I bought a Codegen 600W PSU (this one http://www.upload.ee/image/3687302/IMAG0139.jpg)
After installing it, I ran the computer and everything seemed normal.
But after a couple of minutes, the monitor turned off and had no signal.
I shut down the computer and tried again - the same.
After switching the monitor adapter from my GT 620 to the integrated graphics, there was no problem. What could be causing it and can I fix it?

My computer:
Intel Core i3-2120 @3.30GHz (2 cores, 4 threads)
nVidia GeForce GT620
4 GB of DDR3 RAM
2 HDDs
DVD-RW drive

More about : random signal

November 5, 2013 1:04:17 PM

If I even disable the graphics card, everything works perfectly.
This has not happened before the upgrade - what's the problem?
!