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ATI 4850 - Black Screen when playing games

Last response: in Graphics & Displays
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November 17, 2008 7:35:49 AM

Hi Guys,

My machine spec is:

Gigabyte P35 DS4 mobo
Intel E8400 CPU
4gb 1066 Corsair Dominator
320gb Samsung F1 Spinpoint
Windows Vista 64bit (all updates install).
ATI Radion 4850 card.

Any game I try to play (Live for Speed, Battlefield 2, Nascar 2003, STALKER (Clear sky and Chernobyl) all give me the same problem, after playing for about 5 or 10 minutes I get a black screen with a message on the monitor saying "Auto Adjust in progress". If I just leave it sometimes the game games back on - only to do it again shortly after. Other times it will lock and just bluescreen.

Is there a solution to this issue out yet?

I'm using the latest (November) ATI 64bit driver.

The card is less than a month old!

Thanks

Brockers :) 
November 17, 2008 8:08:43 AM

What psu are you using? It can be that there's not enough power/amp from the psu.
November 17, 2008 8:13:45 AM

Im using the Antec SonataIII case with the supplied 500w Earthwatts PSU
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November 17, 2008 8:23:04 AM

It should be enough - check your 12v rails and see if the PSU is able to provide the power to your card.

Seems like its not sending any signal to your monitor. How are the temps on your GPU?

If worse comes to worst, you might have to RMA your card.
November 17, 2008 8:27:21 AM

I recommend at least a 550W PSU. (as does the manufacturer) however that sounds like a monitor issue instead of a card issue. What monitor do you have?
November 17, 2008 8:35:43 AM

The monitor is a Dell 17" TFT. Its perfectly fine as tested on another PC.

THE GPU isnt overclocked - but noticed it was getting quiet warm. I endable ATI overdrive in the CCC and set the fan speed to 100%! Temps are nice and cool but has made no change to the problem.
November 17, 2008 9:22:09 AM

I think the wattage from the PSU sounds adequate, but check the actual ampage rating on it against what the card needs - check the system requirements.

FYI: I have the following E6600, GA-965P-DS3P, HD4850, 1HD, XP, 2x1GB PC2-6400 + 500W zalman PSU and it's stable.
November 17, 2008 9:26:44 AM

Here are the main specs from ATI.

ATI Radeon HD 4850 System Requirements:
- PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
- 450 Watt or greater power supply with 75 Watt 6-pin PCI Express® power connector recommended (550 Watt and two 6-pin connectors for ATI CrossFireX™ technology in dual mode)
- Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified products

Doesn't mention Ampage ;-( check the box your card came in.
November 17, 2008 10:33:59 AM

cheers Diddly for your help,

I may invest in a new PSU in any case as I'm tempted to raid up a few of these samsung drives.

I really don't think the PSU is the question and after reading lots of reports of a similar problem it looks like RMA is the only way to go... :( 
!