PC rebooting

looksharp

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hi all my games except wolfvenstein crash my system since i upgraded to radeon 4890 graphic card.Some say my powersupply (450w) is to small.I,ve upgraded to windows 7 and it got worse.Vista ran the games a bit longer before restarting my system after just about 4 0r 5 minutes play time.Dirt,Necrovision,call of juraz 2 and a lot more just crash after a while playing.What can be the problem.I can play wolfenstein for hours and nothing happens:sick:
 
What PSU is it..? ie make model. Generic...?
Chances are it's the PSU in any case though.
 
hi all my games except wolfvenstein crash my system since i upgraded to radeon 4890 graphic card.Some say my powersupply (450w) is to small.I,ve upgraded to windows 7 and it got worse.Vista ran the games a bit longer before restarting my system after just about 4 0r 5 minutes play time.Dirt,Necrovision,call of juraz 2 and a lot more just crash after a while playing.What can be the problem.I can play wolfenstein for hours and nothing happens:sick:

try it with another gpu first, then psu.
 
How can i tell what psu it is or must i open the case to get to it?

You can just take off the side panel and look at what is says on the PSU itself. It this a prebuilt system though? I am just asking because sometimes stores put those stupid little stickers on that if you open the case your "warranty" with them becomes voided. Just checking in case:)
 
Have you tried fully removing the old Nvidia drivers, search google for a tool that will this, not sure of the name? Also try run Speedfan and monitor temps....
 
You can just take off the side panel and look at what is says on the PSU itself. It this a prebuilt system though? I am just asking because sometimes stores put those stupid little stickers on that if you open the case your "warranty" with them becomes voided. Just checking in case:)

open the case and all i can see is model LPG9-25 450w
 
Have you tried fully removing the old Nvidia drivers, search google for a tool that will this, not sure of the name? Also try run Speedfan and monitor temps....

Still got nividia physx but that was only installed when i installed a game
 
Still got nividia physx but that was only installed when i installed a game

So you running ATI for 3D and nvidia for Physx? Try remove the nvidia card, and make sure that all the drivers are removed (use something like this: http://www.guru3d.com/category/driversweeper/). Then download speedfan and check for overheating....

Overheating and driver conflicts can often cause unexpected reboots....
 
So you running ATI for 3D and nvidia for Physx? Try remove the nvidia card, and make sure that all the drivers are removed (use something like this: http://www.guru3d.com/category/driversweeper/). Then download speedfan and check for overheating....

Overheating and driver conflicts can often cause unexpected reboots....

The nividia card is not in the pc anymore
 
The nividia card is not in the pc anymore

OK, but the drivers may still be present and causing problems so remove them; assuming that you upgraded and your previous OS had nvidia drivers (and check for overheating)....

Also, you can run your old card for Physx and your new card for 3D - can improve performance quite a bit....
 
OK, but the drivers may still be present and causing problems so remove them; assuming that you upgraded and your previous OS had nvidia drivers (and check for overheating)....

Also, you can run your old card for Physx and your new card for 3D - can improve performance quite a bit....

You must really try to explain this to me step by step because i dont know much about this and must i reinstall the nividia drivers again if i put the gt 8600 card in
 
OK, but the drivers may still be present and causing problems so remove them; assuming that you upgraded and your previous OS had nvidia drivers (and check for overheating)....

Also, you can run your old card for Physx and your new card for 3D - can improve performance quite a bit....

+1 this is a possibility. However:
ATI Radeon™ HD 4890 System Requirements

* PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
* 500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 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
 
+1 this is a possibility. However:

This is what i retrieved last time mobo Ok M2n-mx rev1.xx
Chipset nividia mcp61
Southbrigde same
lpcio ITE IT 8712
Bios American megatrends
version 0081
Date 05/11/2007
Graphic interface PCI express
link width x16
 
+1 this is a possibility. However:

OK, good point and I am glad you brought this up because I was wondering. My 7900GS has two power connectors. To see what would happen I unplugged the one - and my system works fine? So why two, or am I just missing something obvious?
 
OK, good point and I am glad you brought this up because I was wondering. My 7900GS has two power connectors. To see what would happen I unplugged the one - and my system works fine? So why two, or am I just missing something obvious?

The newer cards draw a lot more power than some of the older ones did which is why they require two power connectors. Don't know about your 7900GS but I have had similar issues as looksharp with my old 9800GX2 which was overpowering my PSU and causing random restarts when I was playing graphics intensive games.

EDIT: And his 450w PSU is in all likelihood a generic one which probably only deliver 300-350w continuous power which is insufficient for his system thus causing random reboots when too much power is drawn from the PSU. But I would still use something like driversweeper and remove all the old Nvidia drivers (including physX for now) which may be causing some additional problems.
 
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The newer cards draw a lot more power than some of the older ones did which is why they require two power connectors. Don't know about your 7900GS but I have had similar issues as looksharp with my old 9800GX2 which was overpowering my PSU and causing random restarts when I was playing graphics intensive games.

EDIT: And his 450w PSU is in all likelihood a generic one which probably only deliver 300-350w continuous power which is insufficient for his system thus causing random reboots when too much power is drawn from the PSU. But I would still use something like driversweeper and remove all the old Nvidia drivers (including physX for now) which may be causing some additional problems.

thanks guys i am going to try this and come back to you on this and try getting a bigger psu
 
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