Ok, so since 2009 I've been running a Sapphire motherboard (PC-AM2RS790G - PURE CrossFireX 790GX), AMD X4 940, OCZ memory, Sapphire HD5770 GPU and Corsair HX520M PSU. Also 2x SATA HDD and 1x OCZ SSD.
At first was running fine, although the system would hang during DIRT2, but slowly improved with Catalyst updates. However, over the last year the system has become less and less stable to the point where it would not turn on at all. I figured it was time for an upgrade.
I purchased a Asus Sabertooth 990FX/GEN3 R2.0 motherboard (nice bit of kit), AMD FX4300, G-Skill 8GB PC17000 and a new Asus HD7770 GPU. Plugged it all in to find that the system would not boot. ON rare occassions it will post and go to bios, and one time I managed to boot Ubuntu from a Live USB (with everything else unplugged).
Mostly, when powering up the MB goes through a diagnosis check, and typically hangs on the VGA LED. This suggests a problem with the GPU.
I have tried my Sapphire HD5770, 2 old NVidia GT-6600 and the new Asus HD7770. All will sometimes post to bios once and subsequently lock up, or reboot and hit the VGA LED diagnostic freeze.
The only thing left to replace in the system is the Corsair HX520M PSU.
My question is, after spending £100's replacing multiple parts to no avail, I'm reluctant to purchase anothe PSU if in fact the MB is DOA. It is running the latest available Bios. I have raised an RMA with the vendor and raised a case with ASUS.
I guess the first question is this. Is my existing Corsair HX520M man enough for the job I'm asking of it? If not, what would be the recommended PSU? My budget will stretch to £70. There is alot available for this cost around the 7-800W range, but I'm wary of poor quality PSU's.
Any advice recommended. Should I upgrade PSU, wait on MB RMA.... or both?
Thanks for your input.
At first was running fine, although the system would hang during DIRT2, but slowly improved with Catalyst updates. However, over the last year the system has become less and less stable to the point where it would not turn on at all. I figured it was time for an upgrade.
I purchased a Asus Sabertooth 990FX/GEN3 R2.0 motherboard (nice bit of kit), AMD FX4300, G-Skill 8GB PC17000 and a new Asus HD7770 GPU. Plugged it all in to find that the system would not boot. ON rare occassions it will post and go to bios, and one time I managed to boot Ubuntu from a Live USB (with everything else unplugged).
Mostly, when powering up the MB goes through a diagnosis check, and typically hangs on the VGA LED. This suggests a problem with the GPU.
I have tried my Sapphire HD5770, 2 old NVidia GT-6600 and the new Asus HD7770. All will sometimes post to bios once and subsequently lock up, or reboot and hit the VGA LED diagnostic freeze.
The only thing left to replace in the system is the Corsair HX520M PSU.
My question is, after spending £100's replacing multiple parts to no avail, I'm reluctant to purchase anothe PSU if in fact the MB is DOA. It is running the latest available Bios. I have raised an RMA with the vendor and raised a case with ASUS.
I guess the first question is this. Is my existing Corsair HX520M man enough for the job I'm asking of it? If not, what would be the recommended PSU? My budget will stretch to £70. There is alot available for this cost around the 7-800W range, but I'm wary of poor quality PSU's.
Any advice recommended. Should I upgrade PSU, wait on MB RMA.... or both?
Thanks for your input.
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