bless tool

I flashed my rom yesterday but now I get the following error when I try to change the startup disk to bootcamp: The bless tool was unable to set the current boot disk The only way I can boot into windows now is if I take out any Hard drives that are formatted for mac os. The Windows SSD still...

A while ago I noticed spindump hogging my CPU constantly (>80%). I found a thread which I followed to disable spindump Commands I ran from recovery: csrutil authenticated-root disable mount /dev/disk3s5 /Volumes/osvolume ... bless --folder /Volumes/osvolume/System/Library/CoreServices...

After a recent Win10 update I can no longer boot into Windows, which is installed with Bootcamp Assistant. I use MBP15" (mid-2018). Now when I try to boot into Windows I get the following error This is how my internal MacBook SSD disk looks like Tried the First Aid route via MacOS Disk...

Hi, With my Nvidia GT 120 unrecognised it is time to find an alternative solution. If with El Capitan I was able to boot easily under Windows with the help of Bootchamp, today the same software doesn't work anymore under Sierra. The command line bless is not supported due to SIP as far as I...

I have a huge problem after installing rEFIt. After i used the installer and restarted my Mac 10.9.5 wont start again. I know there is the option within safeMode (holding down shift key), but i cant get in to safeMode start up somehow. Even when I inserted a USB drive with the Mac installation...

I'm running a 2012 Mac Pro with an internal SSD. It was partitioned with a Windows 7 installation via boot camp and was running fine. However, a few days ago I went to change the startup disk and received: "You can’t change the startup disk to the selected disk. The bless tool was unable to set...