vasant910

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About vasant910

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  1. Won't boot without USB process - can't write MBR on disk Followed procedure documented to boot new MBR on disk drive so I can boot without USB. https://www.tonymacx86.com/threads/os-x-wont-start-without-uni-multibeast-usb-heres-the-solution.152329/ Check what it says under 'NAME' for your uni/multibeast usb (mine is called 'Multibeast') and write: cd /Volumes/Multibeast/usr/standalone/i386 fdisk -f boot0 -u -y /dev/rdisk0 dd if=boot1h of=/dev/rdisk0s1 After entering the last command you should get some feedback saying '2+0 records in, 2+0 records out', or something similar. Write: cp boot /Volumes/EFI/ Gives an error at fidsk command : sh-3.2# cd /Volumes/USB1112/usr/standalone/i386/ sh-3.2# fdisk -f boot0 -u -y /dev/rdisk1 fdisk: could not open MBR file boot0: No such file or directory sh-3.2# fdisk -e /dev/disk1 fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory Enter 'help' for information fdisk: 1> print Disk: /dev/disk1 geometry: 30401/255/63 [488397168 sectors] Offset: 0 Signature: 0xAA55 Starting Ending #: id cyl hd sec - cyl hd sec [ start - size] ------------------------------------------------------------------------ 1: EE 1023 254 63 - 1023 254 63 [ 1 - 488397167] <Unknown ID> 2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused fdisk: 1> exit Tried to write MBR documents as : fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory Enter 'help' for information fdisk: 1> show Invalid command 'show'. Try 'help'. fdisk: 1> flag 3 Partition 3 marked active. fdisk:*1> write Device could not be accessed exclusively. A reboot will be needed for changes to take effect. OK? [n] y Writing MBR at offset 0. fdisk: 1> exit BUT I still get same error " could not open MBR file boot0: No such file or directory Please help, Vasant