Hi!
Habe noch was gefunden was Euch helfen koennte!
Bei UT2004 stuerzt das NB nach 3 Stunden wegen Hitzeproblemen ab, weil
auf dem GPU nur ein Waermeleitpad ist! Man sollte dann das machen und man hat nie wieder Abstuerze!
Hier Original Artikel:
N258KA0 GPU cooling mod
Occasionally I accept invitations for LAN parties. During one of them when I was playing Unreal Tournament 2004 on a wooden desk (room temperature were ~75F) for approximately 3 hours and then suddenly the game crashed on the desktop without an error message. The same crash happened two more times for the next few hours. I’m not a hardcore gamer, but when the game kept crashing while I was happily fragging people really piss me off. So the next day I did some test.
I ran the prime95 torture test for 8 hours, no problems so RAM and the CPU were OK. For me the only possible offender left was the GPU (Mobile ATI Radeon 9700). After short research using Google I believed the GPU became overheated during the game.
So I decided to disassemble the machine and see why the GPU overheats.
REMEMBER BY FOLLOWING THE NEXT STEPS YOU CAN VOID THE WARRANY OR DAMAGED THE GPU PERMANENTLY.
1. Take out the battery (just a precaution)
2. Flip it over and undo the 11 little screws on the bottom to take the panel out
3. Disconnect the antenna wires and remove the wireless module using the two clips
4. Undo the 5 springs loaded numbered screws and out comes the CPU heatpipe revealing a Socket 754. Don’t forget to disconnect the fan cable before pulling the heatpipe out.
5. Next comes the GPU heatsink. Undo the 5 screws, a little wiggle and out it comes revealing the Mobile Radeon 9700 soldered onto the mainboard. Also revealed are the chipset controllers. Big surprise UNIWILL USED THERMAL PAD ON THE GPU ?!?!?!?!?
Again after short research using Google I found the article at:
http://www.bay-wolf.com/8500videoheat.htm
The article is for upgrading the video card in the Dell Inspiron 8500 or 8600 with the Mobility Radeon 9600 Pro Turbo, but it gave me the main idea. I will not repeat what the article say, but just will mention what’s different for the N258KA0 laptop.
1. I used aluminum plate: 1.1cm x1.1cmx1.5mm thick. Why? The aluminum does not expand under heat plus I already had an aluminum piece. I will not start the flame war, which is better copper or aluminum . It’s your choice.
2. I polished the aluminum plate using very fine sandpaper.
3. Clean the GPU thermal pad as described in the article. DO NOT REMOVE ALL PADS ONLY THE GPU ONE INSIDE DARK SQUARE.
4. Glue the plate to the GPU heatsink as described in the article. Don’t forget to put Arctic Silver 5 before.
5. Next, apply some Arctic Silver 5 on the die (need instruction – check
http://arcticsilver.com/arctic_silver_instructions.htm)
6. Screw the GPU heatsink back. If the aluminum plate is a litter ticker DO NOT TIGHTEN THE SCREWS TOO MUCH OR YOU CAN BREAK THE GPU FROM THE PRESURE.
7. Reassemble the whole machine by reversing the disassemble procedure steps.
As we all now there are still no software to measure the temperature on the CPU and GPU that works on Uniwill N258KA0, so I don’t have any temperature data for comparison.
I notice two things after I finished the cooling mod:
1. The air that comes from the GPU heatsink when I game is hotter than before, because of the better heat conductivity from the GPU core to the aluminum plate to the GPU heatsink.
2. Happy gamer on the same wooden desk with no crashes at all !
That’s all folks.
Images, Articles used:
http://www.bay-wolf.com/8500videoheat.htm
http://www.laptopshowcase.co.uk/reviews.php?id=45