hello WAMUG MacPro 3,1 El Capitan 10.11.6 32 GB ram ATI Radeon 5770 Nvidia Geforce 8800 GT 2 x 23" apple Displays 1x SDD 1TB WD blue Elcapitan, 1 SDD 256MB WD green Elcapitan (Western Digital) 1x HDD 1 TB WD Elcapitan , 1x HDD 320MB (seagage) mavericks
This setup has been very stable now for the past 3 years. I usually leave the thing on over night - after I put it to sleep Problem The other day when I woke it up, it immediately shutdown and went into restart, which got as far as the about halfway , paused (30-60 sec) then restarted - such that it started cycling a restart without ever completing the start up process. I tried resetting PRAM , option start , shift start, etc even safe start - none made any perceptible difference pulled the whole thing apart, and gave it all a good clean/vaccuum - lots of dust on fans, , RAM boards, GPU’s put all back in and restarted - noticed on this restart there was a funny noise from graphic card area - only got half way in boot process. so I turned off , removed Nvidia graphic card and started in safe mode ( with only ATi connected) - alas booted fully up did some tests in “TEST” account - seems okay restarted in normal mode - all seems okay again. turned off, reinstalled Nvidia Graphics card - - went back in cycling reboot turned off, disconnected ATI card , left Nvidia car connected - went back to recycling reboot. Hmm Nvidia Graphics card might be failing. so disconnected and removed the nvidia and have been using the one ATI radeon graphics card only which is now powering the 1screen via Dvi - it seems stable I tried running both screens - , 1 x display port with Dvi adaptor and one via direct Dvi connection, but- the mouse (wireless mighty mouse) and wired mouse behaved very eratically and slow. wheel scrolling is haphazard if I try anything fast - If I move slowly response is immediated - if I move fast - responce is laggy. I’m wondering if the ATI card cant actually run 2 screens Questions 1. is there anyway of testing if a graphics card is failing ? 2. is the slow mouse response due to graphics card running 2 screens 3. where can I get a second graphics card for MacPro 3,1 El Capitan . 4. As my screens are Dvi am I better connecting by DVi or via display port with display port adaptor Any advice much appreciated chow Gary Dorn North Perth -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
