Nothing displaying on my monitor

Hello everyone. I recently decided to upgrade my graphics card. I am going from a ghz 7870 to a water cooled r9 290. I have both cards. When I went to install the 290 the card was just barely to long for my case. Bought a new case, got everything installed, and when I hit the power, my monitor came off standby and then went to sleep. Which is what happens when it detects nothing to display. The monitor appears to be working properly. And the the fans for the gpu and cpu are both on, as well as the lights on the case. But again no signal. At first I thought the card was dead, but I reinstalled my 7870 and it is doing the exact same thing. I've tried disconnecting everything from the mobo except the gpu and cpu. Tried pulling the battery to reset the bios. Still no dice. Is my motherboard toast? Did I somehow fry two gpus? I need some help.

My system.
Mobo: Gigabyte 970a-ud3
Cpu: fx6300
Gpu: amd 7870 or r9 290
Psu: thermaltake tr-600

TIA!
5 answers Last reply
More about displaying monitor
  1. You probably messed something up during installation. What are the POST codes your motherboard is giving you when you boot up?
    You don't get your motherboard's logo when you boot up either right?
    I'd also check and make sure all the power cables are connected correctly.
  2. I'm betting somethings not seated correctly. Like ^ said, check your power cords. RAM could also be an issue, make sure they're seated properly.
  3. I'm not familiar with POST codes. But no. I have nothing on screen at any point. My mobo speaker doesn't do anything either. I've tried booting with ram out and in. No change. I had all my power cords connected the first try. Including DVD, hard drives, etc. Then I unplugged everything and plugged in only the guy and mobo. No change.
  4. Lupo220 said:
    I'm not familiar with POST codes. But no. I have nothing on screen at any point. My mobo speaker doesn't do anything either. I've tried booting with ram out and in. No change. I had all my power cords connected the first try. Including DVD, hard drives, etc. Then I unplugged everything and plugged in only the guy and mobo. No change.


    Your computer will not boot with no RAM in.

    POST codes are simply messages from your motherboard at boot. They're the beeps you hear when you boot up.
    If you can tell us what the code is when you turn on your PC (for example, 1 long 2 short beeps, or 3 short beeps, etc.) it would help us out quite a bit here.
  5. Ok. So I'm not getting any beeps at all. And I thought I could at least get to bios even without ram. My psu has a couple different cable options for the gpu. It has a stand alone eight pin connector as well as a six pin c connector that branches off for an additional 6 pin and 2 pin connectors. When the gpu is connected to the 6 pin based connectors, all the fans and lights come on. But no display. When I use the 8 pin along with base 6 pin, I get nothing at all from the computer. Does this mean anything?
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