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Help! My ATI Hd4850 it's corroding! - Page 2

post #11 of 27
Thread Starter 
I'm east coast, north east..

Thinking about keeping my case/hdd/psu and upgrading to a new mobo/cpu/ram/gpu..

Or selling it and putting the money towards a diy build..

I'm really overwhelmed by all the choices,.
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post #12 of 27
Thread Starter 
Quote:
Originally Posted by finalturismo View Post

Use 91% isopropyl alcohol to clean it.
(contact cleaner can melt plastics depending on the brand)
Replace Thermal Paste and blow it out with an air duster.
Set to stock clocks.
If that dont work, the solder has degraded around the area.
You can use a heat gun to reset it.(much better than an oven)
If you do this, make sure the card is on a flat surface.
Otherwise when the solder heats up stuff will start sliding off and than your screwed.

Heres how it went.
Old thermal:
2012-02-23_04-23-29_475-1.jpg
2012-02-23_04-23-34_537-1.jpg

cleaned up the corrosion: I only had 70% abv isopropyl- but it did the trick, used a tooth brush, and a needle to carefully remove as much as I could without damaging anything.

2012-02-23_04-41-28_589.jpg
Dusted the heatsink/fan + cowling, then reapplied thermal paste.

2012-02-23_04-29-31_656.jpg
2012-02-23_04-38-35_829.jpg


Re-assebled the card and fitted it back into my tower.

My main question pertains to the heat gun. Did you mean reset, or re-seat? I'm not sure about aiming a heat gun st my card... If I should concider re-seating the chip, I would use a variable temp soldering iron, I've never heard of baking a computer component..
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NZXT
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post #13 of 27

For something like this I would go with a soldering iron if you have one with a nice tip and some decent soldering skills. Just make sure you use some lead free rosin solder too. If you feel really gutsy you could completely pull the chip and make sure you got all the corrosion and your pads are clean and then use new solder

 

Baking cards is the last hope and prayer in your arsenal. Baking does the same thing as hut guns in that it heats up the solder and reflows its. It's basically mass soldering.

 

Just be careful and take your time.

post #14 of 27
Thread Starter 
I'm not that brave.. Haha. I've done a fair amount of soldering on my guitar electronics/amps, but nothing that small.

I'm going to fire up the tower and run some diagnostic. Check the temps with my laser! (coolest tool ever)
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post #15 of 27

Haha. I keep meaning to grab one of those laser thermometers. Let us know how it goes.

post #16 of 27
Thread Starter 
Well nothing is overheating, but I'm stuck with stock clocks, anything oc and I ctd. Vpu recover.

The card claims 625/1008, stock, I get 500/750 from vpu recover. Anything near stock forces vpu recover in a matter of minutes.

??????
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post #17 of 27

Not sure what that chip is but I assume it's safe to say it's related to core clocks and frequency. I'd start saving for a new GPU and wouldn't push that one too hard.

post #18 of 27
Thread Starter 
I'm ready to upgrade the mobo completely. It's really the downfall of my rig.

Basically I've got the following:

Rocketfish 500w psu
Dvd-rw w/ light scribe sata
320gb hitachi hdd sata

Current crap to remove...

M2n68-la narra5 rev. 5.00 am2+ (95w)
Amd athlon x2 240 (2.8 ghz duo) 65w am3
3gb ram ddr2 @ 666mhz (max for mobo is 4gb, @667mhz)

It's all inside a compaq cq5110f mid atx case.

I'm looking to grab a mobo/cpu/ram for under $300 then save up for a solid crossfire/sli combo
However, if it makes sense to go big, I would consider a new case. Problem is my psu claims sli ready but nothing mentioned about crossfire.

I've been hunting for something thats going to be a game destroyer, but nothing seems to be reliable!

Amd vs. intel ? I know intel better, this was my first amd rig, but I really have no preference, just looking for performance vs. my wallet vs. my current components.
NZXT
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NZXT
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post #19 of 27
Quote:
Originally Posted by Artful Dodger View Post

I'm ready to upgrade the mobo completely. It's really the downfall of my rig.
Basically I've got the following:
Rocketfish 500w psu
Dvd-rw w/ light scribe sata
320gb hitachi hdd sata

Current crap to remove...
M2n68-la narra5 rev. 5.00 am2+ (95w)
Amd athlon x2 240 (2.8 ghz duo) 65w am3
3gb ram ddr2 @ 666mhz (max for mobo is 4gb, @667mhz)
It's all inside a compaq cq5110f mid atx case.
I'm looking to grab a mobo/cpu/ram for under $300 then save up for a solid crossfire/sli combo
However, if it makes sense to go big, I would consider a new case. Problem is my psu claims sli ready but nothing mentioned about crossfire.
I've been hunting for something thats going to be a game destroyer, but nothing seems to be reliable!
Amd vs. intel ? I know intel better, this was my first amd rig, but I really have no preference, just looking for performance vs. my wallet vs. my current components.

Time for a new build biggrin.gif. As far as Intel or AMD I would go with AMD if money is a issue, otherwise Intel.
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post #20 of 27
Thread Starter 
Ok, so out of these which seems the best bang for the buck?

http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.644166

http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.770956

http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.828849

http://www.newegg.com/Product/ComboBundleDetails.aspx?ItemList=Combo.827555

Or should I piece together a new case/mobo/cpu/ram keep my psu/dvd/hdd?

Ideas?
Edited by Artful Dodger - 2/25/12 at 3:23pm
NZXT
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NZXT
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