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  06:05:32  20 August 2011
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nashathedog
Senior Resident
 

 
On forum: 01/31/2011
Messages: 8421
That sucks

I suppose this post does not really belong here but you dont need to read it if you dont wish and I do need to write it as it helps me think things through and I suppose someone might have an idea of what I could do about this.
So, I got a new pc after a long period without one. It took a while to save up for it. but I missed Clear sky and was going crazy stuck playing GT4 on PS2 while saving to replace my dead pc. Finally I bought a normal Hewlett packard not a gaming pc. The first thing that needed doing was the graphics card. these shop sold pc's tend to have crud built in ones. So I bought a EAH5570 last November. Brilliant card for its level and price. 8 weeks ago I decided to go one better and bought the EAH5770.
Not a massive leap but I was happy until I realised I needed to change the power pack to run it. Still I had the card now, that was 120 quid (uk) So I forked out another 40 and a local shop fitted the card and power supply for me.
The cards box said it required the pc to have a 500w supply but the shop fitting it insisted it only needs a 400w (I am wondering now if thats all he had in stock that day).
So all is rosy up until 8 weeks later (today) I start getting funny graphical things happening ingame then after several reloads of the game and mod (several different mods tried). I can no longer reach the game. Just as it should start flashing for me to press and enter the zone the screen blacks out goes to desktop with the message that the driver has stopped responding and is now responding again but when I try to re-enter the zone its just a black screen. The games running I can hear it still.
So after much fiddling and no luck I decide to remove the 5770 and put the 5570 back and it is all working again. I can play but I cant find the reciept as someone suggested for the guarantee. But what I am wondering is could it just need the bigger power supply. Should I risk paying out to replace the 400w with a 500w. But then I am thinking why has it taken 8 weeks to happen if thats the problem. Am I just gonna be throwing more money down the drain? And at the moment being a full time carer moneys tight.
Could someone give me your opinion of what I should do or what you would do or what you would try maybe if you think you know of a solution or way that might solve this. I dont know can you try out different drivers with these cards?
  07:28:01  20 August 2011
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Darkh4
Senior Resident
 

 
On forum: 04/01/2007
 

Message edited by:
Darkh4
08/20/2011 11:24:01
Messages: 1177
Hmm...it does rather sound like your graphics card is getting starved for power once it gets called on for any serious rendering. Power supplies wear out over time, especially cheap ones, and they wear out much faster if constantly called on for more than their max output. That might account for the gradual failure.

400W is less than the bare minimum of 450W that the 5770 needs to function (according to the AMD website), and after being run at max load for so long the PSU is no longer quite capable of supplying enough juice. However, 400W is supposed to be okay for the 5570, so that's probably why the game still works with that card.

I usually go with at least 100W more than what is called for, just to be safe and to hopefully extend the life of the PSU.

I think you probably need a stronger power supply, even if it means saving up for one. And make sure to get a well known name like Corsair or Thermaltake. The power supply is the last component in a PC that you want to cheap out on.
  15:01:00  20 August 2011
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DrSwizz
Senior Resident
 

 
On forum: 12/24/2008
Messages: 201
First of all I would like to that do not disagree with anything Darkh4 has said.

My advice to you is to be careful with your system. If your power supply fails it could kill other components in your system as well.

In my opinion your problems may be cause by one or more of:
1) Driver bugs or some general system problems etc.
Perhaps not very likely given what you have described, but it can not be ruled out.

2) Failing/dying power supply.

3) Failing dying 5770 graphics card.
Your graphics card may have been faulty (not very likely, but you never know).
Your weak (cheap?) power supply may have have caused excessive wear on you grphics card (and the rest of your system!) when it was overloaded as it may have been feeding your system with current that was unclean and fluctuating wildly.


What kind of power supply do you currently have?

Take a voltmeter and measure the +5V and +12V voltages when the system is running. Measure both when the system is idle and with heave system load. Are the voltagrs reasonably close to +5V and +12V? Are the voltages fluctuating?
You can use software duch as HWMonitor too, but that is not always reliable.
If the voltages seem alright and your system is stable it may be safe to continue to use your current power supply given that tou do not overload it.

Test your HD5770 in another computer; Perhaps a friend or relative can help you out? Does it work alright?

As Darkh4 said a good power supply is a good investment. Save some money and buy a brand nae Power supply that is rated above what you system will use at 100% load.
  02:05:39  21 August 2011
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nashathedog
Senior Resident
 

 
On forum: 01/31/2011
 

Message edited by:
nashathedog
08/21/2011 2:27:07
Messages: 8421
Hello and thanks for the replys and words of wisdom.Its a shame they dont come first but you know what they say about hindsight.
The power supply he sold me is a CIT New version ATX 2.2 model 400he. Thats whats on the box. Unfortunately because the fella owned a computer repair and supply shop I took his word over my own uncertainties that this supply would be more than enough. My pc is a hp pavillion and its not a gaming machine. I had to buy what I could afford and after a year without one to play Clear sky on and seeing Cop had been released, I bought this it seemed more than upto it. I added a 5570 but then bought the 5770 and when I tried to fit it I found no wiring available inside the pc for it so I took it to him. My pc's original power supply was a 300w. And because this offered 100w more and with his insistance it would be fine I went with it. More fool me. Thankyou for the suggestions.

I have changed back to the other card the 5570 which was running fine with the pc's original power supply. So am I right in thinking I will be okay using it with the new supply still fitted for now?, as presumably it will not be taxing the 400w that much considering the 300w ran it fine. I will take the pc and have the supplies flow checked but I need to arrange to do so.
  07:25:28  21 August 2011
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Darkh4
Senior Resident
 

 
On forum: 04/01/2007
Messages: 1177
Hm, I had never heard of CIT, and that's usually not a good sign. It looks like they get fairly mixed reviews online, too.

Like DrSwizz said, if you can, test it's output. If it's stable it might be a decent stop gap in combination with the 5570 until you can afford something with more power and better build quality.

If it's not, I wouldn't even run it. A bad power supply can potentially damage the rest of your system. Good luck!
  14:17:00  22 October 2011
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nashathedog
Senior Resident
 

 
On forum: 01/31/2011
 

Message edited by:
nashathedog
10/22/2011 15:08:12
Messages: 8421
Well my local shop is run by trolls, I bought a new 6770 a bit more ram so that I now have 4gb and ordered a better power supply like advised I explained I wanted a more powerful better quality one and he ordered one for me.
After a 2 week wait I phone to see why I have not heard anything and get told it is there ready to pick up.
I go to the shop and he is nowhere to be seen but an assistant hands over my new better quality Power supply unit, guess who's it is, ALPINE

WHO?? ALPINE????

What a retard, It was not on the list of ones I gave him no wonder he was not there. He knocked twenty quid of the price but thats not the point I still need a new power unit. Admittedly it seems to be doing a good job,
It's extremely quiet and it is quoted for 700w so even taking into account the overclaims it should be okay for now but christ its like I speak Martian.

Anyway at least My Stalker is running nicely now I only run an Athlon 2 x2 @ 2.7 (not overclocked) with Win7 64bit and 4gb ram and an EAH HD 6770 but it is running smoothly maxed which is all I wanted for now.

I wonder about STALKER 2 requirements in the interview they said it would be higher than the current level. I was gonna build my own pc, I still will but when I posted about that here I read about a next gen cpu due next year and decided to wait till it comes out which should land fairly close to Stalker 2's release,,perfect. I know where I wont be ordering the parts from though.
  21:59:50  22 October 2011
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Steelyglint
Senior Resident
 

 
On forum: 06/06/2009
Messages: 5171
I'd think carefully before spending on that 'next gen cpu' if I were you. If it is only due to appear on the market at around the time Stalker 2 does then it can not have been used in the development of the game. Other Stalker games have problems with multi-core processors because they weren't designed for them.

As to buying parts, do it online. They're a sight cheaper, they arrive more quickly, and if you get a conman (as it appears your usual engineer is) you can always return the goods for a full refund.

You will not be offered any £20 discounts this way as you will actually be getting the goods you order - not just the stuff he can get on the cheap.

.
  11:04:12  24 October 2011
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axon1988
(Senior)
 
On forum: 12/15/2010
Messages: 67
Try this calculator: http://www.extreme.outervision.com/psucalculatorlite.jsp

Please just remember that this isn't really accurate. Though it can give you a vague idea of how much power you will need. Buying a cheap PSU is never a good idea, they are mostly meant to work in offices with computers that use onboard GPUs and stuff like that. There's gaming PSU's for a reason, and you don't need an expensive one to work. Something like the Gigabyte ODIN series is fine, works great. And they are pretty well priced.
 
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