hi, im new to this and i know very little about computers. i want a new graphics card, i have a nvidia 7300le which is awful so i thought the sapphire readeon x1950 pro would be a good choice. i was told, in another forum that it would work on my pc if i had a 350w on a 18A rail power supply. how do i check my power supply? without opening my case if possible? thanks for any help you can give me.

Hi jpph,
Sorry about the delay in replying to you.
We have a staff of techs who have a wide variety of skills and will be able to help you with your problem, this is not my area of expertise, one of the folks who can help you should be along shortly.
Thank you
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The only way i know of to check your power supply is by opening the case.

Although I don't see how this is much of a problem because it shouldn't take more than 5 minutes, the name/model of the psu should be just on the side of it so you won't be messing around with any of the hardware.