Tom's Hardware > Forum > Graphic & Displays > ATI > Random Shutdown = High temps or Bad PSU

Random Shutdown = High temps or Bad PSU

Forum Graphic & Displays : ATI - Random Shutdown = High temps or Bad PSU

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hash   07-16-2009 at 03:48:57 PM

Hello,



I upgraded my PC and everything went fine until I started some GPU intensive games. The problem is this happens randomly and mostly on CoD4 with a XFX 4850 512 MB. I monitored my gpu temps with GPU-Z and the max ever the card reached is GPU temp - 75 . GPU memory goes highest 81 *c . My room temperature is around 30 * at least .


I had suspicions over my GPU temps , but if a card overheats only the display goes off and other components still keep running , right? Anyway , now my doubts are on my Power supply . Its a 450 watt and I found it has like two +12v rail each having 17 A and 16 A . I bought the Power supply in a hurry , it costed me around 550 Indian Rupees i..e like 11-12 $ . I read a review saying 18 A is safe so I just had the PSU . Please correct me if I'm wrong.


I need help if its the GPU temps are the making the PC shutdown or the Power supply. thanks


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50bmg   07-16-2009 at 03:54:29 PM
- 0 +

temps look ok. it sounds like power. The amps look ok. But 450 watts are low. $12 lol. Cheap amps are just that cheap. Get a better psu with 550w plus and mid 30A combined amp range.

------------------------------ gigabyte GA-EX38-DS4|Intel C2Q Q9550 @ 3.4G | Sapphire Vapor-x 4870 1G CCC 9.6|4G PNY DDR2 800MHz 5-5-5-12|500G Seagate SATA II HD|Sunbeam core contact cooler 120mm|BFG Tech 800w| Win XP sp2| Antec 1200
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ct1615   07-16-2009 at 03:54:43 PM
- 0 +

75C is is normal temp for a GPU, it may be your PSU

Reply to ct1615
hash   07-16-2009 at 03:59:48 PM
- 0 +

Can I use a Corsair 450 watt ?. Anything more than 500 watt costs a lot here.

Reply to hash
ct1615   07-16-2009 at 04:11:03 PM
- 0 +

the corsair will work fine

Reply to ct1615
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