First, read the English article below.

Make sure that your computer is completely powered down before you work on the inside. Unplug it from the wall once it has been completely powered down. Your monitor is most likely connected to your old graphics card, so disconnect it from the back of your computer before removing the old card. Whenever you work inside of your computer, you should make sure that you're properly grounded. An electrostatic wriststrap attached to the bare metal of the case is the most convenient way to ground yourself when working in a computer. You can also ground yourself by touching a metal water tap with the water running. If you are upgrading, you'll need to remove your old graphics card before installing your new one. If you were using your motherboard's on-board graphics card, you may not have a card to remove.  Use a Phillips-head screwdriver to remove the screw that is securing the old card to the case. Unplug any cables connected to the old graphics card. Undo the latch underneath the back end of the old graphics card (PCIe). This latch helps secure the graphics card, so make sure to unlatch it before pulling the old card out. Gently pull the old card directly out of the slot. Pull the old card straight out of the slot. You may have to be firm, but don't force it out. If you can't pull the card out, make sure that the latch has been released and the Phillips screw has been removed from the card's bracket. Many newer graphics cards require two bays on the back of your computer. You may need to remove the protective panel for the next bay if you haven't used it before. These panels usually pop off, though it varies depending on your computer case. Make sure that there aren't any cables obstructing the slot and that none will get stretched underneath the back of the card. Push the card firmly down straight into the PCIe slot until you hear it latch and it is evenly inserted. Secure the card to the case using Phillips-head screws (most cards will come with a couple). Make sure to secure each bracket if the card takes up... 

Now, please write a short abstract for it in Indonesian. Abstract:
Matikan komputer. Lepaskan monitor. Hubungkan tubuh Anda dengan tanah. Lepaskan kartu lama (jika perlu). Lepas penutup bay tambahan (jika diperlukan). Masukkan kartu grafis baru. Hubungkan catu daya. Tutup casing. Hubungkan monitor dengan kartu grafis baru.