No monitor display after new CPU install

I've upgraded from an i5-6600k to an i7-7700k on an Asus Z170 Pro Gaming motherboard and a 750 watt psu. After shorting the clrtc pins, checking my ram, checking if the cpu was oriented correctly, reinstalling my graphics card, re-arranging the way my H100i cables were plugged in together, reseating the 24 pin power connector, and possibly more, I still get no signal on my monitors. I looked up on my phone to see if my cpu was compatible with my mobo and sure enough it was, and I doubt I have a shortage of wattage. And I have a red CPU_LED light illuminated. Please help, I spent quite a lot of money on this cpu and it would be very very angering to find out it does not work.
Reply to seaniez
10 answers Last reply
More about monitor display cpu install
  1. update the bios?
    Reply to rgd1101
  2. See if the iGPU works. (Remove the gfx card)
    Reply to clutchc
  3. rgd1101 said:
    update the bios?


    How would I go about doing that?
    Reply to seaniez
  4. put the old cpu back in. go to motherboard manufacturer website to download and install the latest bios.
    Reply to rgd1101
  5. rgd1101 said:
    put the old cpu back in. go to motherboard manufacturer website to download and install the latest bios.


    Well I just tried that and looks like my display is still saying no signal
    Reply to seaniez
  6. I took out the CMOS battery and started my computer, still no signal. I put it back in and shorted the CLRTC pins and tried to start but no signal. I think I've tried everything I could find on the internet about this problem and absolutely nothing I try works at all. I don't understand how just two days ago everything was perfectly fine, and then I drop a new cpu in the socket and nothing works at all. This is because the BIOS probably does not match with this brand new kaby lake cpu but for some incredibly annoying reason, all attempts to clear the CMOS or update the BIOS have failed.
    Reply to seaniez
  7. There's a chance that you have an issue with your gfx card if your old cpu isn't working either. I'd check your connections on your card and see if there are any issues there. To me it doesn't seem that it's an issue with your cpu but maybe you bumped it when you were installing the your new cpu. Or it decided to crap out when you went to install it.
    Reply to Jonas Vandy
  8. I'm not sure why this might happen but it could be that the new cpu reset the gpu to on the chip itself. Try attaching the monitor to your onboard graphics and see if it the monitor works. If it does go into the bios, then advanced mode. Once in advanced mode go to on board devices. There will be a tab in there called System Agent. Go into graphics configuration, display and set it to pci-e.
    Reply to urbancamper
  9. urbancamper said:
    I'm not sure why this might happen but it could be that the new cpu reset the gpu to on the chip itself. Try attaching the monitor to your onboard graphics and see if it the monitor works. If it does go into the bios, then advanced mode. Once in advanced mode go to on board devices. There will be a tab in there called System Agent. Go into graphics configuration, display and set it to pci-e.



    So I just removed the graphics card and hooked up my monitors to the onboard graphics and still nothing
    Reply to seaniez
  10. Ok I'm really starting to feel like the motherboard is dead, since the onboard graphics don't seem to be doing anything with the monitors and the clrtc pins won't do anything if I try to short them with a screwdriver. But the thing that kind of throws me off from that thought is that the lights on the motherboard light up when I plug in the psu. And I just finished unplugging some stuff like my H100i and graphics card, and just went ahead and did a low scale rebuild. At this point I have little faith in this working because have done everything I have come across on the internet
    Reply to seaniez
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