Often it happens. That the graphics card of some laptop starts to give some problems, sometimes with software errors, sometimes with the blocks of the computer or the simplest case with the blackout screen.
Some brands of laptops, Also known, are suffering most. Remove and repair the video card of a laptop with DIY methods not complicated.
1.) The problem usually is that the video card has a chip that given the high overheating, over the years unsolder. Resolder microchips is possible with the use of traditional tin soldering or welding would be advised to use a hot air to arrive at least 200 degrees. Before carrying out welding is better to remove any dust or dirt on the microchip in order to be sure that it stays well welded. In the market there are also products that promote welding making it more resistant.
The use of the welding heat must be very precise and make sure that the air jet touches only the chip that interests us repair otherwise you risk desoldering of others. After soldering the chip ruined, before replacing the card on your laptop, you need to dry out parts. If it is believed not to be very precise, then it is advisable to put the carton resistant to high temperature on other chips. Having the time to do this kind of work is very important, it needs a lot of patience and desire to see the portable function properly; work fast and accurately could cause breakage of the whole graphics card.
2.) If at home you do not have the types of welding machine, which has been discussed, then you can use the kitchen oven to resolder chips. This method requires more attention paid, at the risk of throwing the card. The first thing to do is to remove all parts of the card that can melt in the oven, that cables in plastic, fans, and so on, in short, must remain only microchips. The card must not be in contact with the hot parts of the oven, so it can be raised to keep the grid using small balls of aluminum foil previously prepared and well stable.
Once prepared the card, the bake at a temperature of 190 degrees for 10 minutes at the most and in position as horizontal as possible. Then switch off the oven and cool the card inside for half an hour and more. Once the welds are hardened, then it is possible to reconstruct the card with the previously removed parts and mount it in the handset. Now boot the system and make sure everything running again properly.
3.) With these simple methods, you can save on assistance ranging from 150 to 200 dollas. Also if you have performed the work properly, you also save on the purchase of a new card. If you do not have time, patience and above all, the laptop is still within a warranty, then you better take it directly in support and fix it without risking damage to the card itself.