samarlian Posted November 3, 2011 Share Posted November 3, 2011 Ok guys on Sunday my pc black screened and rebooted which caused major issues my BIOS was corrupted along with HD problems and had to do a Windows repair once I got back into Windows a lot of programs where gone or did not work ie anti virus , NVIDIA drivers missing Ect . I have done severe testing since then tried stress testing ghx in single mode and tested in all pci-e slots and all ram stress tested and in all ram slots . But if I enable sli my pc does the same black screen and reboots any ideas here is a link to my thread in Evga http://www.evga.com/forums/tm.aspx?m=1298977 I have filled out the Tech sheet on here and emailed Evga tech support With it taking out the bios and hard drives leads me to belive it to be psu but would the pc boot up? Or could it be a faulty pcb on Ghx card Link to comment Share on other sites More sharing options...
peanutz94 Posted November 3, 2011 Share Posted November 3, 2011 I would check your voltages first and foremost. What are they being read as in the BIOS? It might even be worth checking them with a multi meter. From reading through your thread on EVGA forums my guess is it's either your MB or the one GPU. Link to comment Share on other sites More sharing options...
samarlian Posted November 4, 2011 Author Share Posted November 4, 2011 Well got an email to RMA today does this look right for SLi Look at the VDDC http://img215.imageshack.us/img215/5979/unlednwo.jpg http://img36.imageshack.us/img36/8900/unleddge.png Link to comment Share on other sites More sharing options...
Garvin Posted November 4, 2011 Share Posted November 4, 2011 VDDC reference design voltage/current at idle for the GTX 480 = 0.953 volts @ 15amps. Welcome to the club (103 pages and climbing): http://forums.nvidia.com/index.php?showtopic=187401 Link to comment Share on other sites More sharing options...
samarlian Posted November 5, 2011 Author Share Posted November 5, 2011 Ok thanks got rma through as all equipment in pc has been tested for 24hrs each and work fine so must be psu issuse as when it happened for the first time it corrupted my bios, harddrive and windows. Since then cant run sli but can run 1 card and 1 as physix just does not like the power draw of 2nd card in sli totally closes pc dowm or goes in to reboot mode and diasables the 2nd card when back in windows This is my 2nd psu as first one blew so hopefully will get a HX1050w instead will pop a note in with rma Link to comment Share on other sites More sharing options...
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