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Author Topic: 5870 burn out  (Read 1685 times)
snowboard789
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August 03, 2011, 10:39:49 PM
 #1

hi,

i had a 5870 and i fitted a custom accelero extreme 5870 but it wasnt a reference card and it burned out due to my fault (dont know why).

now i have a second card like that i fitted a zalman cooler (yes i know this is dumb cause its not reference and they dont actually fit but i cant stand the noise).

i had the same issue from the first card and now from the second card to 2 differrent pcs.

in both of them i have a 650watt psu and i dont have many stuff loaded.

when i switch on the pc, it goes like on->off->on->off->permanently on and then everything works fine. the whole pc does something like a stopngo cycle 2 or 3 times.

can this be a short circuit problem or do you think the psu cant handle it (but why, it doesn't even draw much watt when booting up).
if it was a short circuit problem wouldn't this mess the card which is actually running ok when the pc boots up?

im afraid that my second card will burn too...any thoughts please?
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deslok
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August 03, 2011, 11:11:08 PM
 #2

A 650w psu is more than enough for a 5870 mine is running on a 550. as far as a short circut problem you'd have to be more specific as to what point it reboots at (after post loading windows ect) burning out two cards is hard on a motherboard it's definitly possible you damaged it

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snowboard789
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August 03, 2011, 11:25:58 PM
 #3

i burned one card on this mobo and im not sure about the cause.

my pc runs fine with an old nvidia card.

when i try to boot it up, it power cycles 2-3 times before it starts up loading the bios etc (we are not in windows mode yet).

the third time it boots up windows and everything works normal.

why the power cycle? i dont get it...im afraid something has a short circuit but i dont know if its the mobo or the card or the psu
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August 03, 2011, 11:50:37 PM
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If you damaged anything it's the motherboard unforunatly. however since it's booting i'd just check to see if you have a lose connection somewhere near the pci express slot

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