Inb4 HSBC sue XFX for design?copyright!

HSBC card holders can get this card at a discounted price...

lol! thats a good marketing for both parties btw..

performance must be SICK ! YO ! wipe flow with GTX 980 ! yo !

My cousin's HD7790 cannot boot into windows. If no AMD drivers installed then it can, but after installed, it shows BIOS screen and then no video signal.

I put it in my PC and the same thing happened, when I put my GPU it works fine.

Anybody else faced the same problem?

u did try DUU ? so before it work just fine ? what window it using ? did ur cousin update anything before Bios driver or try mod anything mobo or gpu ?

tried reinstalling different drivers. The drivers that come with CD worked but display driver crashes every 2 mins.

R7 260X again? Sigh, here you go, please read more at :

http://forums.guru3d.com/showthread.php?t=391122

and

http://forums.guru3d.com/showthread.php?t=391970

You will find your solution after reading those two sites ( IN ORDER AND dont skip it )

EDIT: R7 260X is a rebrand of HD7790.

This post has been edited by JohnLai: Apr 11 2015, 03:44 PM

It works fine for 6 months. I think better to RMA it instead.

Btw thanks for the info, never thought 7790 has this issues

that is really strange... faulty on gpu.. as if the gpu dun want to be rebranded x flickering cause Hynix mem not agree or cope with sudden high and low speed ? im grateful dun need those bios fix to fix gpu.. x

This post has been edited by Unseen83: Apr 12 2015, 12:16 AM

Actually, the 2D flickering also happen with 290 series, but it was quickly patched before mass production for consumers, only initial batch was using problematic vbios. After all, flagship product got more attention that low end 260.

No flickering on the 7790 before that, now it's just straight black screen everytime loading windows and cannot use at all

Makes sense about 290 since 260 and 290 are almost the same design.

Go ahead and claim your RMA.....but...beware of new asus vbios for that model.....asus totally disable the powertune/zerocore for the latest batch.

So, that means maximum frequency for gpu core and memory clocks.
Thus, get ready to use the Bonaire tweakers once you get back ur GPU ~~~~

This post has been edited by JohnLai: Apr 12 2015, 11:12 AM

jst gonna post it here then

got a refurbished 280x dual-x sapphire yesterday.

Certain games run fine but on AAA games, there's flickering and even on chrome (gotta disable hardware acceleration to avoid the black boxes of doom)

Tried cranking voltages by a bit to solve the issue as recommended on9 but doesn't help. Tried the beta drivers as well, doesn't solve it.

Anyone has the same issue and managed to solve it?

my cousin's 7790 is sapphire model de, hopefully can get back fine.

He also thinking to buy new GPU and sell the RMA card haha. If buy new GPU sure buy 750 Ti ady...

Can you try it on friend's computer?

Your power supply doesn't seem good enough. I have crash problems with my old PSU, now running fine on Seasonic. 280X drinks lots of juice since it is overclocked and overvolted 7970.

contact sapphire to get bios update, my last dual x r9 280x flickering issue solve with bios update

don't have anyone to brw me their psu but on full load the entire system only consumes roughly about 280-350w.

I'm guessing the 500w should be sufficient, technically.

and also the flickering issue is no longer there god knows how. thanks anyways!


issue solved ! thanks.

if it does occur, i'll look to contact sapphire.

Based on TDP:

CPU : 77 w
GPU: 250 w
RAM: 2 x 3 w
Motherboard: 30 w
HDD: 2 x 8 w
DVD: 15 w

Total: 394 watts (not including case fans)

You are clutching at straws with that 500w PSU. Is that 500w true power or advertised gimmicks? Most cheap PSUs fail at delivering rated loads and even ATX specifications.

Not to mention the fact that power consumption is not a linear power draw but many small instantaneous power draws with peaks. A smaller PSU may not be able to handle the sudden peak power demands.

well this was a highly recommended model back in 2012.

it's the 80+ powerrock unit and not the newer model of the powerrock series.

i do have another rig back home which is powered by a seasonic 620w semi-modular unit.

but i'll only be on break in a month or two. if the flickering issue does occur again, i'll go ahead and get another psu unit just to check if it's the psu issue.