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My 5770 used to have 1gb memory and now it has 754mb?

Last response: in Graphics & Displays
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December 31, 2011 2:12:14 AM

Okay so I've never used this website before but I'm hoping to get some answers because it seems like the best to use.

Last February I purchased a new build with an AMD HIS Radeon 5770 which has 1gb video memory.
It had this up until maybe a couple of months ago.

In about October or November, my PSU completely blew and my computer wouldn't work at all.
So whilst still under warranty I took it back to the custom PC store and they fixed it, installed a new PSU and I was fine to go.

I cannot remember if I had 754mb's of video memory before that, however I checked a couple of days ago and I only have 754mb video memory now.
Which is quite frustrating to see whenever I use systemrequirementslab.com to see if I can run certain games.

So my question is has the blown PSU damaged my Video Card, or has it worn down over time or what?
Also can I return it back to 1gb?
Because I don't think overclocking the mhz of the cores will return the actual memory back.
I'm lost for answers and appreciate any feedback.

More about : 5770 1gb memory 754mb

a b U Graphics card
December 31, 2011 2:56:02 AM

have you seen the dxdiag, if yes than you are approaching in the wrong way,
get gpuz software and see the memory
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January 8, 2012 2:28:28 AM

In dxdiag and systemrequirements it says 754mb but in CPU-Z it says 1024mb.
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a c 107 U Graphics card
January 8, 2012 2:50:47 AM

dxdiag says 733 for my 5870(1gig card), yet i get 2278 for my 4350(512meg) :) 

i would just ignore it and trust cpu-z or gpu-z.
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