You will need
- - system unit;
- - screwdriver.
Terminate all running programs. Turn off the computer. Wait until the screen goes blank. Disconnect the computer from the network. Disconnect all devices from the system unit.
Put it on a flat surface. Grab a screwdriver. Sometimes the system unit cover is removed by opening the latches, but most manufacturers use screws. A screwdriver may need a Phillips or hex. Make sure that you have removed all the screws — they are quite small and blend in with the color cover.
Usually after all the screws removed, the lid opens itself. But sometimes doing design in which the cover need to be pushed to the side or up. Please note the warranty stickers. In case of damage, warranty is lost. However, the sticker can be not only warranty, but also transport. Its removal means nothing.
If the warranty sticker is, and remove the top cover still needed, contact the service center. There the cover will be removed, carry out the necessary actions with the system unit, put back and will be tagged with a note about how, when and by whom it was discovered. Usually the system cover removed to upgrade its contents or to remove accumulated dust. If you are doing this for the first time, consider the risk. The computer may not turn on. Get ready to go to a repair service. Before the procedure, find a guide on the Internet or the literature.
If after removing the screws the cover does not open, and you can't understand how to remove it — don't do it yourself. There is a risk to damage the structure. Cover should be removable without special effort. If you remove it easily fails is probably not removed all the screws, or there are additional fastening. You may want to browse in the Internet a description of your system unit.
Advice 2: How to remove graphics card
The gaming industry is the locomotive of development of computer technologies. Particularly rapidly growing requirements for graphic accelerators. One generation of lightning cards are replaced by others. If you decide to install a new graphics card, first of all you will need to remove the graphics card, overage.
Completely disconnect power from the system unit of a computer. It is advisable to pull the power plug from the outlet to eliminate the possibility of contact with the electrical network.
Unscrew the fastening screws and remove the side cover of the system unit. If possible, it is better to put the system unit on a horizontal surface, to obtain free and unimpeded access to the boards and wires inside.
To remove the graphics card, disconnect all wires that are connected to it. If you do not know what is installed on the motherboard card is responsible for video signal, follow the wire that runs from the monitor to the system unit. Usually this is the only cord like used in computers for the transmission of a digital signal. Begin by removing the screws located on both sides, disconnect the appropriate power cord.
Inside the system unit video card can also be connected to any wires. For example, it may be submitted separate supply directly from the main unit. While most of the video card "fed" from a standard slot on the motherboard into which it is inserted. Carefully inspect it from all sides and disconnect all cables, if any, is still there.
From the inside of the card is additionally secured with a clamp, protecting it from possible vibrations and ensures a more intimate contact with the motherboard. Tapping on the fastener with one finger with little effort, take him down.
Now you can remove the graphics card. Carefully holding it with both sides, trying not to do sharp movements and not to hurt the other circuit Board and the contacts, pull it out from the slot a little rocking. The graphics card is installed in the reverse order.