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startup manager
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MP 1,1-5,1 Sony Bravia says no signal when Mac Pro is in Startup Manager
I’m trying to update the OS of my 2008 Mac Pro from El Capitan to Monterrey using a 3rd party utility that configures Macs with dropped support to work with it (OpenCore Legacy Patcher). When installing I put it on the internal I only use for Time Machine as it had the free space and I didn’t... -
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MP 1,1-5,1 [Solved]Need some help downgrading from Mojave to High Sierra
im in the process of downgrading from os Mojave to os High Sierra, but when i restart and hold the option key it won't bring up the start up manager. it just either boots to home screen or the tower turns on but does not turn on my screens. ive tried downloading Boot Manager but when i select... -
MP 6,1 Boot Camp doesn't work, windows cannot be installed
I tried to format my SSD drive serval times, degraded the system to osx 10.13.6 and managed to keep the disk format as HFS+ in order to install windows 10. But every time I install the windows 10 through Boot Camp, it doesn't boot windows installation and creates an empty Boot Camp partition. I... -
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diagnostic help- verbose mode
Mac Pro 4,1 -> 5,1 booting from 10.11.5 internal disk or 10.8.5 eSATA has had persistent problems since I upgraded by installing NewerTech eSATA card and Sonnet USB 3. I think they might have been present earlier but went unnoticed. Problems are: 1)usb mouse cursor (on native usb 2 port) frozen...