I sold my perfectly functioning Mac Pro 5,1 to a person on ebay. Today they are claiming I have sold them a defective machine. It seems during bootup into OS X Mavericks initial setup the grey boot screen flashes once and then proceed to function normally.
Here is a video of the issue: https://www.dropbox.com/sh/58ngcrtzy91mgb6/hoT8ncDopR#lh:null-macstartup.MOV
The flash happens around the 20 second mark.
I've never seen this before on any of my Macs. I'm curious if the flash is related to booting into OS X setup or if the issue is with the monitor itself.
Has anyone seen this before?
Here is a video of the issue: https://www.dropbox.com/sh/58ngcrtzy91mgb6/hoT8ncDopR#lh:null-macstartup.MOV
The flash happens around the 20 second mark.
I've never seen this before on any of my Macs. I'm curious if the flash is related to booting into OS X setup or if the issue is with the monitor itself.
Has anyone seen this before?