Mac os x terminal question mark folder how to#
Mac os x terminal question mark folder mac os x#
Mac os x terminal question mark folder mac os#
Mac os x terminal question mark folder code#

I then try to boot up my machine and I hear a rather loud beep and the computer fan starts, but the screen remains black. I got inside the machine, removed the old HDD and hooked up the cables to the new SSD. I followed several Youtube videos to no avail. I went to a local Micro Center and purchased a brand new Samsung 256GB SSD drive, x2 2GB RAM modules, some industrial computer tape, and an iFix-it kit. I decided that the hard drive must be the issue, and sought out a new one. I have tried several different commands to get it out and nothing has seemed to work.įinally, they got me in contact with a 'senior advisor.' He told me that basically the hard drive was the issue and for a computer this old, it wouldn't be worth time/money to continue to invest in it (probably true, but I love a good project).

Mac os x terminal question mark folder mac os#

I put the Mac OS 10.6.1 disk in my machine and tried to boot it and nothing happened, and now the disk is stuck in the machine.

Mac os x terminal question mark folder mac os x#

The second person told me that the flashing folder was likely because there was not an installed version of Mac OS on the hard drive (seemed reasonable), so he filled out an order and had Apple ship me copies of Mac OS X 10.6.1 as well as Snow Leopard. He told me maybe my bluetooth keyboard was bad - fine, I went out and got a wired Mac-supported keyboard. Try restarting iMac while holding down various combinations of Control, Command, Shift, Alt/ Option, R, P, C, E, etc. After three different people, I still could not get anything to work. Additionally, I asked for help with the 'flashing question mark folder' icon that would appear on startup. After talking to Apple support I was able to find out that this is a 2008 all-in-one model. You can use 'Disk Utility' GUI tool to create and restore images.I recently purchased an iMac from a local Goodwill. $ sudo sh -c 'gunzip -c .gz | dd of=/dev/disk2' # Restores compressed image and write /dev/disk2 #

Mac os x terminal question mark folder code#

$ file : x86 boot sector partition 1: ID=0xc, starthead 130, startsector 8192, 114688 sectors partition 2: ID=0x83, starthead 165, startsector 122880, 6277120 sectors, code offset 0xb8 How do I write dd images to disk again? You can verify your disk with file command:

gzip -c > .gz : Create compressed disk image using gzip.

bs=64k or bs=1m or bs=512 : Set both input and output block size to n bytes.

$ sudo dd if=/dev/disk2 bs=64K | gzip -c > .gz

You can create compressed disk image as follows:

You can press the ctrl+ t (hold control key and press t) to see dd command progress on macOS: Password:ģ965190144 bytes transferred in 839.664927 secs (4722348 bytes/sec) It will take some time, and you won’t see any updates on the screen. $ sudo dd if=/dev/disk2 of=backup.my. bs=1m $ sudo dd if=/dev/disk2 of=backup.my. bs=512 Create the disk image with ddįinally create the disk image of the entire disk /dev/disk2: Here is what we see: Unmount of all volumes on disk2 was successful 3. In this example my SD card size is 4GB and located at /dev/disk2. Open the Terminal application and type the following command to list disks:įig.01: Insert in your SD card, or USB pen/HDD, and see /dev/diskN name

To write the disk image: dd if=image.dd of=/dev/DISK.

To create the disk image: dd if=/dev/DISK of=image.dd bs=512.

Mac os x terminal question mark folder how to#

How To Create Disk Image on Mac OS X With dd Command Always keep verified backups for your Mac. WARNING: Please be careful when running the following commands, as you might destroy essential data or disk. You also need to use diskutil command manipulates the structure of local disks including listing and unmouting disks before you create or write images to disk.

Create new disk images from USB or SD card.