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What is a thermal paste? - ASUS EN7200GS/HTD/256M-256MB PCI-E DDR DVI-D TV OUT Graphics Card PCI Express Graphic Card

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Thermal paste is a substance that assists in thermal conductivity between a heat source and a heatsink. It is used to fill in irregularities that cause air gaps.

http://en.wikipedia.org/wiki/Thermal_grease

Posted on Feb 16, 2009

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Hi im josh in cebu phils. may i help you? Thermal grease (also called thermal compound, heat paste, heat transfer compound, thermal paste, or heat sink compound) is a fluid substance, originally with properties akin to grease, which increases the thermal conductivity of a thermal interface (by compensating for the irregular surfaces of the components). In electronics, it is often used to aid a component's thermal dissipation via a heat sink. you can buy this in any pc hardware distributor. i looks lihe an ointment. Good luck i hope i helped you.

Posted on Feb 16, 2009

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Need replacement FAN for ATI Radeon HD2600Pro graphics card. Where are best sources?


Some ideas,

1) http://www.directron.com/ecvcribl.html

2) http://www.directron.com/eccuv2ab.html

3) http://www.directron.com/vnf100.html

Skipped past the ATI Radein HD2600 Pro, (More of an Nvidia fan), so I don't know how they have the fan/heatsink attached.
Don't know if they used Thermal Glue, or Thermal Paste for the heatsink. (Or a thermal pad)

It is Always best to replace the thermal compound. Cheap insurance.

A) Thermal Pad:
Remove the heatsink.
Carefully remove the pad the best you can, then use Q-tips dipped in Isopropyl Alcohol to soften the remnants. Follow with a plastic scraper, (Old credit card?), and more Q-tips dipped in alcohol.

Make SURE the top of the GPU is CLEAN. Then properly apply fresh thermal paste to the top of the GPU, and set the fan/heatsink assembly in place. Lock the fan/heatsink assembly down.

[ GPU
Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU

The GPU used in an ATI Radeon HD2600 Pro graphics card, is an ATI RV630,

http://en.wikipedia.org/wiki/Comparison_of_ATI_Graphics_Processing_Units#PCIe_.28HD_2xxx.2C_HD_3xxx.29


http://en.wikipedia.org/wiki/Radeon_R600

B) Thermal Glue:
Requires using a hairdryer set to low heat, and constantly moving the hairdryer's nozzle around slowly.
Once the glue softens gently twist the heatsink loose.
(Wear gloves)

C) Thermal Paste:
Remove the heatsink.
Use a clean plastic scraper, and plenty of Q-tips dipped in alcohol on the GPU.

(Isopropyl Alcohol. Commonly referred to as Rubbing Alcohol.
91 percent is best, 70 percent will do in a pinch. Advise against 50 percent.
50 percent alcohol, 50 percent water.

CAUTION!!
Isopropyl Alcohol is EXTREMELY FLAMAMABLE.
Use in a Well ventilated area with NO sparks or flames present.

Once you set the heatsink, or fan/heatsink assembly in place, and have it secured, look at a side view of the graphics card.
Room well lit, and a light background.

See if the heatsink is sitting flat. You do not want it sitting at a slight tilt.

As you can see, I am trying to steer you towards making sure the thermal compound, is in good shape. It is best to just replace it. Thermal paste is cheap stuff.

For additional questions post in a Comment.

Regards,
joecoolvette

{To Add:

Heatsink:
Basic construction is a plate of metal with tall, thin fins protruding from it.
The plate of metal absorbs heat from whatever object it is placed against, (In this case a GPU)
The tall, thin fins absorb heat from the plate.

The fins then radiate the heat away.
With a fan used in conjunction with a Heatsink, the air flow from the fan helps carry heat away.

Thermal Compound:
{Thermal Paste, Thermal Glue}

The top of a Processor, and the top of a GPU are not perfectly smooth.
A magnified view would detail, 'Hills, Valleys, and Pitholes'

Same with the bottom of a Heatsink. (The plate)
When the Heatsink is set on top of the Processor, or GPU, there are air pockets created from the imperfections of the two surfaces.
Air is trapped in-between the two surfaces.

{Heatsink on top of Processor, or Heatsink on top of GPU}

Air is an Insulator. Not a Conductor.

Thermal paste fills the voids, (Imperfections), and is an Excellent conductor of heat.
Thermal paste, (or a Thermal Pad), can dry up over time.
The thermal conductive properties are gone, or negligible ]

Aug 02, 2011 | Graphics Cards

1 Answer

Pls help me to solve my problem with my nvidia geforce fx5500 256mb .. the problem is my pc will restart when i tried running onlinegames with good graphics with my fx5500 256mb even these games was run in...


Hello

OK, firstly, i will suggest that you take out the graphics card and give it a good clean. When the computer restarts during game-play, it is usually an overheating issue with the graphics card itself.

So, the thing is, if you take out the graphics card fro your PC, you will notice that there is a lot of dust on the cooling fan. Use compressed air to clean the fan unit. I would further suggest that you redo the thermal paste on the CPU of the card.

Furthermore, it can only be an driver issue, so, you will be able to download the latest driver for this specific unit at the web page below.

Click HERE.

Kind regards
Andrea

Nov 27, 2010 | Nvidia GeForce FX 5500 Video Card Graphic...

1 Answer

Ati Radeon hd 4850 overheating


Hello b ciprian,
The trick to keeping a CPU or Graphics Card from overheating is to be able to supply the largest amount of cool air coming in. I have gone as far as using a Dremel to router holes in the side of a PC case to add more fans.
Typically I like to have (3)three 80mm or 120mm intake fans in the side panel, (2) 80mm or 120mm fans as exhaust fans. I even remove the front panel to see how many and what size of Intake fans I can put there.
With almost every graphics card that I have used or installed, I have always added a 3rd party VGA cooler. Most of the factory VGA Coolers are mediocre at best. When ever I install a 3rd party VGA cooler, I always use Arctic Silver 5 Thermal Compound which is 99.9% Silver, which goes between the VGA Cooler Heatsink and the GPU(graphics processing unit).
You can also buy rather inexspensive heatsink kits(applied with thermal tape) that you can attach to the memory chips on the graphics card itself.
I also replace the factory thermal paste that is used for the CPU heatsink/fan with Arctic SIlver 5.
While I am at it, I buy a heatsink for the southbridge, and sometimes the northbridge, as well. Since this is a VERTICAL application, you really should consider using Thermal Tape or Thermal Adhesive. You can use Thermal Adhesive for the Northbridge and Southbridge Heatsinks ONLY. DO NOT use thermal adhesive on your CPU or VGA Cooler.
Here are some nice VGA memory heatsink kits from Newegg.Com http://www.newegg.com/Product/Product.aspx?Item=N82E16835185083 or http://www.newegg.com/Product/Product.aspx?Item=N82E16835887017
Here is Arctic Silver 5 Thermal Compound: http://www.newegg.com/Product/Product.aspx?Item=N82E16835100007
Here is the link to the CPU heatsinks. Just find the one that is compatible to your motherboard. http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=heatsinks
Here is a HIGHLY RECOMMENDED item. This is the VGA cooler that is compatible with the HD 4850/70/90 http://www.newegg.com/Product/Product.aspx?Item=N82E16835118037
And here is a link for a fairly universal VGA cooler. It costs less but I've had it on my card for one year now and love it. But your card runs A LOT hotter than mine so I would choose the one above. http://www.newegg.com/Product/Product.aspx?Item=N82E16835110015
Here is a link to case fans. You really shouldn't buy any fan that is over $8. http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&DEPA=0&Order=BESTMATCH&Description=case+fans&x=0&y=0
If you order fans for your case, they should come supplied with the 4-pin Molex adapter for the PSU. If not, your local PC repair shop or places such as RadioShack should have them.
I think I covered most of the bases. Hope all goes well for you.

Jul 12, 2009 | ATI RADEON HD 4850,, PCI Express Video...

1 Answer

Monitor goes black after windows boots up


this is probably your screen refresh rate is too high.try booting the computer in vga mode and lower your default screen refresh rate.if it fails try with a older driver. the problem might be due to overheating. try cleaning your cabinet and install a new heatsink and apply new thermal paste on your vram chips.

Mar 21, 2009 | Evga e-GeForce 6200 GeForce 6200, (256 MB)...

1 Answer

Where i have to put the thermal paste and what is the cost of it?


It's only a couple dollars at Radio Shack. Put it between the heat sink and whatever components are mounted there. It will only solve your problem, if overheating was the issue.

Feb 20, 2009 | ASUS EN7200GS/HTD/256M-256MB PCI-E DDR...

1 Answer

Pc restarts in between the games


is it summer now there? It sounds like heating problems. If you keep the system very cool does it still do the same? (Try opening your side panel, and putting a fan in front of it, blowing into your case, also check to make sure that the fan on the gfx card can spin freely and isn't hampered by dust particles. Also do you have thermal paste? i recommend taking your cpu heatsink off, wiping off the old paste, and applying new paste. I've seen thermal paste get old and then cause this kind of problem. If that still doesn't work, try drivers like bunny recommended. Good luck! :)

Jan 04, 2009 | ASUS EN7200GS/HTD/256M-256MB PCI-E DDR...

1 Answer

Video goes to black


my suggestion would be to take the video card out and clean the heatsink off really good, then go to your local pc shop and get some thermal paste (shouldnt cost anymore than $4) take the heatsink off the video card and apply a liberal amount to the gpu spread it thin and evenly, once your done your video card should run alot colder than it did when new as the thermal paste they use deteriorates fairly quicky

Nov 15, 2008 | ATI Graphics Cards

1 Answer

Slow frame rates and background where forground should be


More info on yor system would help but at 88c it sounds like your cpu is overheating and throttling back.

Try cleaning out any dust on hsf and renewing the thermal paste with good quality stuff.

Hope this helps?

Dec 16, 2007 | Graphics Cards

1 Answer

Ati Radeon X1650 goes mad ....


Eeek its the card getting too hot and thus causing the wierd lines , due to dust build up , remove card & connectors , take off the heat sink , remove old thermal paste & apply new thermal paste (if necessary needs to be replaced if it looks dry and cracked) and remove the dust around it using a brush or compressed air.

Dec 09, 2007 | ATI RADEON X1650 Xt, (256 MB) Graphic...

1 Answer

Grapical errors while gaming


Eeek its the card getting too hot by dust build up , remove card & connectors , take off the heat sink , remove old thermal paste & apply new thermal paste (if necessary needs to be replaced if it looks dry and cracked) and remove the dust around it using a brush or compressed air.

Dec 07, 2007 | Connect3D CrossFire Edition RADEON X1900,...

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