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Sapphire hd4870 vapor x freezing/overheating

technicks

technicks

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Hi guys.

Having a problem with the pc from a friend.
When installing Windows 7 the system freezes when setup changes the screen resolution.
When i boot up the system it takes about 10 sec before the card gets very hot.
I have read some articles about this card. Many people have problems with the system freezing due to overheating. I took the cooler of and re-aplied the thermal paste. But the temps still skyrocket.

Last week i checked out his system because it would not even start. So i figured out his psu was bad so he replaced it with an Adata HM 650 recommended on TPU he read.
So now his system starts but he can't install Windows. When his old Windows was on he got to the point he could set the fanspeed to 100% seing the temps drop to 45*C but then after a few seconds it crashed again.

He can't RMA the card so he can't return it. Any ideas on what to try?
If it's a lost case he will buy a new card but he would give it one more chance to get it working properly.

Thanks for the help,

:toast::rockout:
 
D

Descraop

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Solved

Fixed!!

After trying 2 other videocards I still got the random freezes, so I thought it can't be that..
I checked everything again and again and i finally discovered that the mobo auto setting for the dram voltage was actually wrong, it was on auto giving 1.46 v and it needed between 1.65/1.85..
I Put it on 1.81 and for the first time in two and a half years a stable computer !!!:rockout:

A lot of thanx to Technicks for the help!!:respect:



Jah bless:pimp:
 
Peter1986C

Peter1986C

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Hence my "huh?" feeling (even though it took a minute or two until it came). Because if setting the GPU fan to 100% helped dropping the temps, the automagical fan speed adjustments of the cooler would keep temps under control from the start. I am glad for you that you fixed the issue.
 
technicks

technicks

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Processor Intel i5 2500k 4.6Ghz 24/7 Max OC 5Ghz
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Cooling Swiftech blocks, 360 Xflow rad, Swiftech 120 rad, Liang with XSPC res/pump top.
Memory 8Gb Mushkin 1600Mhz 8-9-8-24
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Software Windows 7 64
Haha. Told you to manualy set ram voltage. :p. Glad it works. How are temps on the videocard? @cheva. He used Trixx so that won't work.
 
Last edited:
D

Descraop

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Under load (Adobe Premiere CS5 HD render) it was 53 degrees.

thats ok isn't it, since I adjusted the voltage i haven't got a single freeze anaymore!!:nutkick:

http://vimeo.com/35354533
 
Last edited:
micropage7

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Descraop said:
Under load (Adobe Premiere CS5 HD render) it was 53 degrees.

thats ok isn't it, since I adjusted the voltage i haven't got a single freeze anaymore!!:nutkick:

http://vimeo.com/35354533
Click to expand...

:roll: you know, sometimes we find the answer accidentally
nice to have it stable again :toast:
 
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