you have purchased a new video card for your computer.write the steps to install it your computer
Answers
Power down the PC.
Hit the switch on the back of the PC to turn off supply to the PSU.Extract the side panel (usually held on by two screws on the rear).If you do not already have a GPU installed, skip to Step 7.
Remove the screws holding the GPU in on the rear bracket.
Unlock the PCI-e slot clip.Remove the GPU by lightly pulling on the card.
Hover the new GPU over PCI-e slot.
Push down on the GPU to slide the connector into the slot.Ensure the secure lock clicks into place.Screw the rear bracket down to secure the card to the chassis.
Connect any required PSU cables.
Reattach the side panel.
Now, all you need to do is to plug in the display connectors on the rear of the case, whether they're DisplayPort, HDMI, DVI or VGA. After that hit the PSU power switch and boot up Windows. If the PC does not turn on or no signals get sent to the monitor, we'll need to double-check that all cables are connected correctly (both inside and on the rear of the PC) and the GPU is seated properly in the PCI-e slot.
Installing required drivers
Before the GPU can be used for intensive workloads like gaming, you need to get new drivers installed so Windows and software can effectively communicate with the card