The LED on the motherboard is on showing that it is getting power from the PSU (power supply unit).

* Turn the XPS 630 off
* Disconnect its power cable
* Disconnect the monitor from the other video card
* Open the case
* Remove any added hardware (memory, video card)
* Reinstall the original Dell memory and video card
* Connect the monitor to the video card
* Turn the monitor on, then the XPS 630
- What color is the XPS 630 power button?
- Are there any beep codes?

* Turn the XPS 630 and monitor off
* Disconnect the monitor from the Dell video card
* Remove the Dell video card
* Install the other video card, be sure to attach the PSU cable to it
* Connect the monitor to the other video card
* Turn the monitor on, then the XPS 630
- What color is the XPS 630 power button?
- Are there any beep codes?

the color of the is orange on the motherboard I put new memory and a new video card in this computer the system was given to me by some one and I am trying to get working now there are no beeps when I start it. The power button is blue when I press to start it

What specific video card did you add?
What specific memory did you add?

Are you saying that you cannot remove the added video card and memory and reinstall our original hardware to see if the system will POST?

Do you no where i can find information of all the connections on the motherboard

* Remove all four memory sticks
* Test the two Crucial sticks in the white memory module connectors (DIMM0 and DIMM1)
* Attempt to power on. What happens?

* Remove the two Crucial sticks
* Test the two Hynix sticks in the white memory module connectors (DIMM0 and DIMM1)
* Attempt to power on. What happens?

The XPS 630 motherboard connections are shown here.

Hi again thanks for your help so far. What else do you think I should try now to see if I can get this computer working

Do this and post the results =

* Remove all four memory sticks
* Test the two Crucial sticks in the white memory module connectors (DIMM0 and DIMM1)
* Attempt to power on. What happens?

* Remove the two Crucial sticks
* Test the two Hynix sticks in the white memory module connectors (DIMM0 and DIMM1)
* Attempt to power on. What happens?

Hi thanks for all your help so far I wanted to no what else can I look for to get it working. One question in the light blue slot for the video card what type is that and also for the black one what is that I am thinking of buying a new video card and I want to make sure I get the right ones

Hi the Tag number is . What else do you think I can check I am thinking of getting a brand new video card for this and what are the two types that will work with Motherboard Thanks for your help

Hi what else do you think I can do to get it up and working again I am trying everything thanks