Dimension 8400/Geforce 8600 GT graphics. Monitor in powersave.
It worked for a little while. First games might send it to black screen, but then it started going into power save mode. Unplugging the power cord to the new monitor helped at first, but then this no longer helped. We never got it out of power save mode. We put back in his old graphics card, and the system runs fine, but he wants the new card back in. Could the system not be strong enough, could it be a cord problem? He said at school they had one they were working on, and the tech teacher told them to try another cord.
Trying another cord would be the first step. After that, make sure that you have the correct drivers for your OS. If it is not the drivers, then check the connection between the the card and the physical output device (the male VGA or HDMI connector).
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Pull out the graphics card & RAM chips. Give their contact points a good cleaning and replace hem. Also check to see that all cables are snug tight. Finally remove the Monitor cord fro its slot at the back of the CPU and remove all dust and check if any pins are loose. See that the monitor plug is firmly placed..................sodeep
contact the shop / place you purchased it from and they should be able to give you info of where to send it and what to do - they should have a section on there website where you can go through the return process and you will most likely need to get an RMA number to authorise the return / replacement.
The XFX NVIDIA GeForce 8600 GT 256MB DDR3 PCI Express card uses two DVI ports on the back of the card. Display is most likely coming from the second port. Try moving your monitor cable to the next DVI port. You can do this while your system is running. If you still do not receive display, post that here & we'll go over some other possibilities.
Good luck rohit1987!
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