These cards are keyed in a fashion that make it darn near impossible to plug the card in the wrong way. This means that the contacts that were being pressed into the socket where in the correct locations. If it didn't seat properly it probably wouldn't have any effect.
What kind of problem are you experiencing when you try to use the card?
Does this computer have at least a 500W PSU?
What operating system are you using?
What is the make and model of this computer?
Were you using integrated graphics on the motherboard before trying this card? If you were, remove the card and see if the integrated graphics is still working.
If you get the computer running with the integrated graphics please do the following.
Please download and install Speccy
to provide us with information about your computer. Clicking on this link will automatically initiate the download.
When Speccy opens you will see a screen similar to the one below.
Click on File which is outlined in red in the screen above, and then click on Publish Snapshot.
The following screen will appear, click on Yes.
The following screen will appear, click on Copy to Clipboard.
In your next post right click inside the Reply to Topic box, then click on Paste. This will load a link to the Speccy log.
Edited by dc3, 04 August 2016 - 10:34 AM.