Jul 24, 2013 Nearly all Mac's sold after July 20, 2011 came with factory installs of OS X 10.7, the firmware will refuse to boot off the 10.6 disks even if they are the model specific ones, however if OS X 10.6 can be put on the drive via Firewire Target Disk mode or removing the drive and using another Mac, then the Mac will boot from it. Use the Disk Utility application to erase the drive. When prompted, select the 'Mac OS Extended (Journaled)' format. If you desire encryption, then select 'Mac OS Extended (Journaled, Encrypted)' format instead. Install macOS. Note: If you are installing High Sierra (macOS 10.13.x) to a SSD, this drive will probably be converted use the APFS. Rename the drive 5. Select OS X Extended (Journaled) for Format 6. Select GUID Partition Map for Scheme Note: If you do not see the scheme option, then you have selected the volume and not the drive. Click on the view button in the upper left-hand side, change to Show All Devices. Select the non-indented entry for your Seagate drive.
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You can easily format, partition, or wipe a partition within the Windows OS. But how to make it happen if your computer has no operating system or OS fails to boot? Such a problem has been resolved already. You can rely on Windows PE (Preinstallation Environment) to boot the computer. The overall process is as follows:
Create a Bootable Drive to Start Computer Without OS in WinPE
Are you looking for a bootable partition manager that enables you to create a bootable drive? When your operating system fails to work and doesn't boot normally, a bootable drive is necessary. What's more, there might be no operating system installed on a newly bought computer. So, what's the best bootable partition manager that helps format, partition, for wipe hard drive without OS easily?
EaseUS Partition Master is designed with a highlighted feature called WinPE Bootable disk. With it, you can create a bootable media, including ISO file, USB flash drive, and CD/DVD. And the bootable drive can load and run the partition manager software under the system. Then you can partition, format, and wipe hard drive without OS. Now create a bootable drive by following the details below:
Step 1: Prepare a disc or drive
To create a bootable disk of EaseUS Partition Master, you should prepare a storage media, like a USB drive, flash drive or a CD/DVD disc. Correctly connect the drive to your computer.
Launch EaseUS Partition Master, go to the 'WinPE Creator' feature on the top. Click on it.
Step 2: Create EaseUS Partition Master bootable drive
You can choose the USB or CD/DVD when the drive is available. However, if you do not have a storage device at hand, you can also save the ISO file to a local drive, and later burn it to a storage media. Once made the option, click 'Proceed'.
You have created an EaseUS Partition Master WinPE bootable disk now. You can manage your hard disks and partitions through the bootable drive whenever the computer fails to boot normally.
If you have RAID drives, load the RAID driver first by clicking Add Driver from the menu bar, which can help you add the driver of your device under WinPE environment, as some specific device cannot be recognized under WinPE environment without drivers installed, such as RAID or some specific hard disk.
Insert the bootable drive in the computer without OS, set the boot order in BIOS to boot the computer from the EaseUS bootable drive with the steps below.
Then you can see the interface of EaseUS Partition Master. Follow the guides below to format a hard drive without operating system.
How to Format Hard Drive Without OS
Usually, in all types of Windows operating systems, you can format a hard drive using the command prompt, the hard drive formatting tool or the Windows Explorer and Windows Disk Management. But things become difficult when you format a hard drive without OS. You can make things easier with the help of EaseUS Partition Master.
Also, insert the bootable drive (you have created it at the very first) and boot from it to enter EaseUS partition tool. Then follow the details:
Step 1: Select a partition.
Step 2: Right-click it and select 'Format'.
Step 3: Type the label you want in the Partition Label text box.
Step 4: Select the file system type to be created from the Partition Type drop-down list. (FAT/FAT32, NTFS, ReFS and EXT2/EXT3). Choose the Cluster Size (512 byte,1,2,4…64KB) from drop-down list.
Step 5: Click 'OK' when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.
Also, watch the video tutorial on how to format a hard drive without operating system.
How to Partition Hard Drive Without OS![]()
In addition to format had without OS, you can still use EaseUS Partition Master bootable USB drive to partition a hard drive without operating system: such as move space from D drive to C drive to extend system partition, shrink and merge partitions, delete and create partitions.
Step 1: Install and launch EaseUS Partition Master
Step 2: Partition Hard Drive
Shrink partition:
1. Right-click on a partition that you want to shrink and select 'Resize/Move'.
Mac os webcam driver. 2. Drag the end of the partition rightward or leftward or adjust the space by clicking the 'Partition size' column. Click 'OK' to continue.
Extend partition:
1. To extend partition, you need to leave unallocated space next to the target partition. If not, shrink a partition as mentioned above to leave enough unallocated space behind the target partition first.
2. Then right-click on the target partition and select 'Resize/Move'.
3. Drag the target partition handle into the unallocated space to extend partition. Click 'OK' to continue.
Create partition:
1. On the main window, right-click on the unallocated space on your hard drive or external storage device and select 'Create'.
2. Set the partition size, partition label, drive letter, file system, etc. for the new partition and click 'OK' to continue.
Delete partition:
1. On the main window, right-click on the hard drive partition which you want to delete and select 'Delete'.
2. Click 'OK' to confirm.
Change partition drive letter:
1. Right-click the partition, and choose 'Change Drive Letter'.
2. Click the down arrow, choose a drive letter for the partition, then click 'OK'.
Step 3: Execute operations
Click the 'Execute Operation' button at the top corner and keep all changes by clicking 'Apply'.
How to Wipe Hard Drive Without OS
Wipe Data can erase all the data on the selected partition/disk/unallocated space. In most cases, the data cleaned with this feature are not able to be retrieved. You might need to wipe a hard drive when you don't need it anymore. Use EaseUS partition management software to wipe hard drive without OS:
Step 1: Insert the bootable drive to open EaseUS Partition Master. Select a disk/partition (volume)/unallocated space.
Step 2: Right-click it and select 'Wipe Data'.
Step 3: Set the number of times to wipe the partition in the Wipe Disk/Partition window (The wipe algorithm is to alternately overwrite the disk by 0x00 and random digit according to the wipe times). https://brownsgroup447.weebly.com/blog/movie-cutter-app-for-mac.
Step 4: Click 'OK' when ready. All the introduced changes to the disk layout will be pended until applied in Pending Operation List.
To Sum Up
After reading this post, we believe that you’ve already known how to format hard drive without OS as well as how to partition or wipe a hard drive without the Windows operating system. It's quite easy with the help of EaseUS partition and disk management program.
EaseUS Partition Master Pro makes it easy to partition hard drives with or without OS, making the most of your disk space. You can even use this tool to migrate OS to SSD to speed up Windows, whether moving from small HDD to large SSD or from large HDD to small SSD.
FAQs About How to Format Hard Drive Without OS
Here are a few questions related to how to format hard drive without operating systems. If you also have any of these problems, you can find the methods here.
Can I reformat a hard drive from BIOS?
You cannot format a hard drive from BIOS. You can only change the boot order get your computer to check for an OS startup CD, DVD, or USB stick. If you want to format HDD without OS, you have to create a bootable USB flash drive or CD/DVD and boot from it to perform formatting.
How do I format my hard drive without logging into Windows?
You can format hard drive without Windows by creating a bootable USB drive using EaseUS Partition Master. Then, start your computer from the bootable drive to format HDD or SSD.
Step 1. Launch EaseUS Partition Master, go to the 'WinPE Creator' feature on the top.
Step 2. You can choose the USB or CD/DVD when the drive is available to create EaseUS Partition Master bootable drive.
Step 3. Insert the bootable drive in the computer without OS, set the boot order in BIOS to boot the computer from the EaseUS bootable drive. Then, format your hard drive in WinPE.
How do I format a blank hard drive?
To format a partition using Disk Management, use these steps:
Step 1. Open Disk Management and right-click the new hard drive and select the 'Format' option.
Step 2. In the 'Value label' field, type a descriptive name for the drive. Use the 'File system' drop-down menu, and select NTFS (recommended for Windows 10). Use the 'Allocation unit size' drop-down menu, and select the Default option. Check the Perform a quick format option.
Step 3. Click the “OK” button to start formatting your hard drive.
Do you need to format a new hard drive?
Yes, you need to format a hard drive need at first before you can use it. You can use EaseUS formatting tool, Windows Disk Management, or Diskpart command lines to format a hard drive to NTFS, FAT32, or other file systems.
If you encounter the Windows was unable to complete the format issue, turn to the tutorial to fix the problem.
Yo just got a new external hard drive and want to use it on your Mac. However, the Mac OS does not allow you to write data to the drive. You may wonder how to reformat an external hard drive on Mac. Follow the tutorial below, you'll get everything covered.
Reformatting an external hard drive for use with Mac OSX is not as difficult as it might seem. In a few simple steps you are ready to go and can save your back-up files to the external drive, keeping your information safe and giving you peace of mind. Keep in mind that a MAC can generally read other file formats, but for the best performance and to create a bootable disk, formatting exclusively for MAC is required.
Part 1: Which File Format You Should Choose?
Before you begin formatting the drive, there are a few things to do. The most important, you should decide which format to use.
There are a few file formats you can use, but it depends on the purpose you want to use the drive for. Which one is right for your circumstance? We'll describe them here, you'll know your choice after reading the details.
APFS: This is the default file system in Macs with High Sierra. It is efficient and reliable. However, it won't be readable and usable on machines that are not running Mac High Sierra, and Windows or Linux PCs. What's more, it is compatible with SSD and flash storage devices only.
Mac OS Extended (Journaled/HFS+): If you didn't update your Mac OS to High Sierra, the default file system on your Mac shoule be Mac OS Extended. Mac OS Extended (encrypted) would be an ideal option if you probably carry your laptop or external drive here and there. You can encrypt it so that no one can access the contents on your drive.
MS-DOS FAT (aka FAT32): In addition to Mac, it can also be written and read by Linux and Windows. It enables you to regularly share files with your friends who own a PC. Nevertheless, this older file system is limited to no more than 4GB and there might be security issue and disk errors.
ExFAT: It is similar to ExFAT which can be read by both Windows and Mac, but it can store more than 4GB files.
NTFS: As the default file system in Windows, it can only read by Mac OS, writing to it is not available. Luckily, there are third-party tools to help you do so.
Part 2: Format External Hard Drive for Mac with Disk Utility
Formatting an external hard drive would erase everything on it. Hence, you must backup your important files before reformatting the drive if you want to save them. The easiest way is to drag it from one drive to another.
All is set, then you can go ahead to format the drive on your Mac. Disk utility - the MacOS utility application can help you with this. Just follow these steps below:
Step 1. Connect the external drive or the USB drive to the MAC.
Step 2. Start the Disk Utility, located under Applications > Utilities.
Step 3. Find the name of the drive in the left side of the Utilities window and select it. And click Erase button.
Step 4. Follow on-screen prompts to choose Mac OS Extended (Journaled) file system and allow the disk to format.
Bonus: How to Recover Data from Formatted External Hard Drive on Mac
In case you forgot to backup files before formatting the external drive. Here comes the cure - iMyFone AnyRecover - a one-stop solution to recover deleted, lost or formatted files from Mac.
Follow these simple steps using AnyRecover to get your files back!
Get Ready!
First, download and install AnyRecover, following on-screen prompts to accomplish the task.
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What If?
What if my files were not found? Fear not. We can take this a step further. Enable 'Deep Scan' to try one more time, follow the steps above just as before to locate and recover your files.
Format Hard Drive Mac Os
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