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Topic # 179419 8-Sep-2015 07:38
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a few months back i accidentley left my computer on when i went to school, when i came home it was off and it wouldnt do anything, so i bought a psu tester and plugged in the 24 pin ant turned it on, the 5vsb just flashed, but if i plugged in the 4 pin cpu plug and it tested fine, i bought a new psu and plugged in the 24 pin to the tester and all the lights came onso i put that in the computer and fffftt it didnt turn and now the psu is the same as the old one so i am currently buying a new psu/cpu/motherboard when i get them, is there an chance my gpu will break it too? oh btw, the psu was 430W and the gcard said minium 500w so the one i buying now is 550W will i be fine?

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  Reply # 1381518 8-Sep-2015 07:45
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Does not matter how many watts a PSU supports up to as long as its powerful enough to support what is required to run the PC

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  Reply # 1381521 8-Sep-2015 07:50
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Ok, Your GPU needs 500W to run. Your CPU maybe 95W, Motherboard maybe another 50-100, 2 HDD's might take another 100W.

So if you load your PC up your over working your power supply. You need around 750W to be safe.



 
 
 
 




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Wannabe Geek


  Reply # 1381522 8-Sep-2015 07:56
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TimA: Ok, Your GPU needs 500W to run. Your CPU maybe 95W, Motherboard maybe another 50-100, 2 HDD's might take another 100W.

So if you load your PC up your over working your power supply. You need around 750W to be safe.




didnt answer my question.

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  Reply # 1381523 8-Sep-2015 07:57
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AceKingGaming:
TimA: Ok, Your GPU needs 500W to run. Your CPU maybe 95W, Motherboard maybe another 50-100, 2 HDD's might take another 100W.

So if you load your PC up your over working your power supply. You need around 750W to be safe.




didnt answer my question.


Yes it did get a more powerful PSU

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  Reply # 1381526 8-Sep-2015 08:00
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Without knowing what specific GPU/CPU etc you have, it's a guess, but unless it's high-end stuff, 550W is most likely fine.

TimA: Ok, Your GPU needs 500W to run.


Assuming he's meaning the specs say 500W, that's typically the recommended minimum total PSU output (presuming other system components are reasonably standard). The GTX960, for example, recommends at least a 400W PSU, but the card itself only draws up to about 120W or so.




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  Reply # 1381527 8-Sep-2015 08:14
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You can use a website like this to guestimate your PSU requirements.

http://powersupplycalculator.net/




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  Reply # 1381538 8-Sep-2015 08:44
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It shouldnt break anything, just not run.

But a 750 as mentioned should cover you - what sort of video card is it ?




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  Reply # 1381552 8-Sep-2015 09:05
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Inphinity: Without knowing what specific GPU/CPU etc you have, it's a guess, but unless it's high-end stuff, 550W is most likely fine.

TimA: Ok, Your GPU needs 500W to run.


Assuming he's meaning the specs say 500W, that's typically the recommended minimum total PSU output (presuming other system components are reasonably standard). The GTX960, for example, recommends at least a 400W PSU, but the card itself only draws up to about 120W or so.


Was meaning it like that, Just rush typed.
Usually i allow for more HDD's and when the system is under full load another 10% is always nice.


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  Reply # 1381563 8-Sep-2015 09:34
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AceKingGaming: a few months back i accidentley left my computer on when i went to school, when i came home it was off and it wouldnt do anything, so i bought a psu tester and plugged in the 24 pin ant turned it on, the 5vsb just flashed, but if i plugged in the 4 pin cpu plug and it tested fine, i bought a new psu and plugged in the 24 pin to the tester and all the lights came onso i put that in the computer and fffftt it didnt turn and now the psu is the same as the old one so i am currently buying a new psu/cpu/motherboard when i get them, is there an chance my gpu will break it too? oh btw, the psu was 430W and the gcard said minium 500w so the one i buying now is 550W will i be fine?


If the old power supply blew it's possible that any of the components in the system may now have issues, including your graphics card. I'm surprised your motherboard was faulty enough to kill the replacement PSU though. You could take a chance and put the graphics card into another PC with suitable PSU to test it, though there is a remote chance it is implicated in killing the PSUs.










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  Reply # 1382077 8-Sep-2015 21:49
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gbwelly:
AceKingGaming: a few months back i accidentley left my computer on when i went to school, when i came home it was off and it wouldnt do anything, so i bought a psu tester and plugged in the 24 pin ant turned it on, the 5vsb just flashed, but if i plugged in the 4 pin cpu plug and it tested fine, i bought a new psu and plugged in the 24 pin to the tester and all the lights came onso i put that in the computer and fffftt it didnt turn and now the psu is the same as the old one so i am currently buying a new psu/cpu/motherboard when i get them, is there an chance my gpu will break it too? oh btw, the psu was 430W and the gcard said minium 500w so the one i buying now is 550W will i be fine?


If the old power supply blew it's possible that any of the components in the system may now have issues, including your graphics card. I'm surprised your motherboard was faulty enough to kill the replacement PSU though. You could take a chance and put the graphics card into another PC with suitable PSU to test it, though there is a remote chance it is implicated in killing the PSUs.



just to say,  couldnt find any burst caps but the top of the gcard, not the fan side had little circles of sticky stuff, i bought it second hanf for 50$ on trade me (asus 5770) an i dont know if the sticky stuff was there before


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  Reply # 1382096 8-Sep-2015 22:20
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Always go for quality over quantity on your PSU. They are very much not all created equal; you're much better off going for a good brand and lower wattage than crap brand that claims huge wattage. 

Having said that, 5770 is not very power hungry. Pretty old though so i wouldn't be surprised if it's given up the ghost...

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  Reply # 1382165 9-Sep-2015 07:37
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sidefx: Always go for quality over quantity on your PSU. They are very much not all created equal; you're much better off going for a good brand and lower wattage than crap brand that claims huge wattage. 

Having said that, 5770 is not very power hungry. Pretty old though so i wouldn't be surprised if it's given up the ghost...



The 5770 uses 40 less watts at max load then my 970.


Just remembered this site: http://www.hwcompare.com/18132/geforce-gtx-970-vs-radeon-hd-5770/

I
 would assume the power figures are somewhat accurate.

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  Reply # 1411544 23-Oct-2015 10:13
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If the system ran with the old PSU a new one of the same wattage should do it. Just check your component don't get too hot :)

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  Reply # 1412949 23-Oct-2015 17:50
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Titan21: If the system ran with the old PSU a new one of the same wattage should do it. Just check your component don't get too hot :)


Not strictly true, or should I say possibly true for a limited time.

PSU's, particularly cheaper ones, tend to not perform as well as they age, particularly if they are constantly under heavy load. If the PSU is just powerful enough to run the load at new, it will almost certainly crap itself in relatively short order. It's safer to buy a quality brand, and to be generous with the size PSU you buy. If you think you need around "X" watts, buy a good brand of X+50/100 or something.







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