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no access

  1. G

    'No Access' issue booting from external drive.

    Hi there! I have a 13" 2017 macbook pro, running High Sierra. I'm trying to boot a cloned Snow Leopard OS (Carbon Copy Cloner backup) from an external drive, but keep getting the 'Prohibited' / 'No Access' icon (see attached image) after I choose the drive in Startup Manager. I've tried this...
  2. Z

    Connecting 2 macs

    There are 2 macs connected to a router, one is called "Mac A", using ethernet cable and the other is called "Mac B" using wi-fi. Mac A has shared its hard drive so that Mac B can see it, but there are "stop" signs on many of its folders apart the "Desktop" folder. So the Mac B user cannot enter...
  3. S

    Photos won't upgrade iPhoto-Libraries on external drive.

    Please help. When iPhoto stopped to work I hadn’t downloaded the latest update of it. So when Photos came there was no other option than to let it transfer my current iPhoto to Photos. My older iPhoto Libraries are stored in an external hard disk. I didn’t try before now to let Photos open and...