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Old 09-28-2007, 03:47 PM   #1
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Default is my psu enough ?

hi my system is

E6750 @ 2.8ghz
msi 650i mobo
sli 8800gts's (320mb)
2gb 667mhz ram

i only have a 500w power supply i wanna no if thats enough because games allways crash when loading i was thinking it might not have enough power thanks
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Old 09-28-2007, 03:57 PM   #2
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Default Re: is my psu enough ?

Yeah it should be enough IMO.

Are you sure its not a heat issue? or maybe you have a bad power supply.
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Old 09-28-2007, 03:58 PM   #3
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Default Re: is my psu enough ?

its brand new i have had it for 5 days
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Old 09-28-2007, 04:00 PM   #4
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Default Re: is my psu enough ?

that should be fine according to extreme PSU calculator you only need 450Watts.

and im pretty sure they over by 20 - 50 watts ( so they dont get sued)

but yeah i dont think the PSU is the problem unless its a good few years old.

have you updated all your drivers ?
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Old 09-28-2007, 04:03 PM   #5
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Default Re: is my psu enough ?

what type of drivers i think i got a beta nvidia driver installed
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Old 09-28-2007, 04:14 PM   #6
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Default Re: is my psu enough ?

uninstall the beta and go for the latest stable version.

also check on the MSI site for a temp monitoring program or use a 3rd party 1 like everest.
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Old 09-29-2007, 06:08 AM   #7
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Default Re: is my psu enough ?

could be a problem with the ram.
Run this for a few hours.
http://www.memtest86.com/
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Old 09-29-2007, 03:27 PM   #8
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Default Re: is my psu enough ?

What kind of power supply? I bet it's not powerful enough. For a 500 watt PSU to supply 450 watts, it would have to be 90% efficient. Most PSUs are 70%. If it was a really nice Silverstone it would probably work, but any off brand PSU probably isn't supplying enough power.
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Old 09-30-2007, 01:39 PM   #9
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Default Re: is my psu enough ?

Quote:
Originally Posted by freestyler105 View Post
What kind of power supply? I bet it's not powerful enough. For a 500 watt PSU to supply 450 watts, it would have to be 90% efficient. Most PSUs are 70%. If it was a really nice Silverstone it would probably work, but any off brand PSU probably isn't supplying enough power.

Sorry to say but 500 watt PSU = 500 watts to the computer, not 500 watts drawn.

However if it's a cheap "500" watt PSU, it could easily be causing problems.
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Old 09-30-2007, 05:17 PM   #10
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Default Re: is my psu enough ?

if your that worried about it then just slap in a good 1K W psu
like one that bfg makes, heres a link
http://www.bfgtech.com/bfgr1000wpsu.aspx
just a thought
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