Disk Utility User Guide
You can restore a disk image to a disk. To do this, you first need to erase the disk. If the disk image has multiple partitions, you must restore each partition individually.
Image Reason SurveillanceClient.dmg invalid checksum Does anyone have ideas on how to install this file? Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Status update - while functional (linux DMG usable for running app on osx), there are two known current issues: - nightly & release builds use a checksum option for the DMG supported by hdiutil. We don't know yet if it's possible to generate the same checksum outside of hdiutil. linux DMG are about 2x the size of current release builds. Verify that a disk image’s data isn’t corrupted using Disk Utility on Mac. The data in a disk image can be corrupted if a problem occurs while it’s being copied or if someone modifies it. You can see whether a disk image’s data has been corrupted by verifying its checksum, which is a calculation of all of its data. If the checksum only took a few seconds, I doubt anyone would ever wish to turn it off. However, for large images like CD images, this can take minutes to perform. The only way (previous to learning about this hint) to stop it was to click the 'Skip' button. It's precisely the length of time that causes people to want to turn it off.-Sean. Restore a disk image to a disk using Disk Utility on Mac. You can restore a disk image to a disk. To do this, you first need to erase the disk. If the disk image has multiple partitions, you must restore each partition individually.
Restore a disk image with a single volume to a disk
In the Disk Utility app on your Mac, select the volume that you want to restore in the sidebar, then click the Restore button .
This is the volume that is erased and becomes the exact copy.
Click the Restore pop-up menu, then choose the volume you want to copy.
If you’re restoring from a disk image, click the Image button, then navigate to that disk image.
Click Restore.
Restore a disk image with multiple volumes to a disk
To restore a disk image with multiple volumes to a disk, you must partition the destination disk, then restore each volume individually.
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In the Finder on your Mac, double-click the disk image to open it.
The disk image’s volumes appear as disks in the Finder.
In the Disk Utility app, select the disk in the sidebar, click the Partition button , then partition the destination disk.
The destination disk must have as many partitions as the disk image, and each of the disk’s partitions must be at least as large as the corresponding partition in the disk image. See Partition a physical disk in Disk Utility on Mac.
In the sidebar, select the volume that you want to restore, then click the Restore button .
This is the volume that is erased and becomes the exact copy.
Do one of the following:
Restore from a volume: Click the “Restore from” pop-up menu, then choose the volume you want to copy.
Restore from a disk image: Click Image, choose the disk image you want to copy, then click Open.
Click Restore.
Repeat steps 3–5 for each remaining partition.
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If you downloaded it from a website, it likely was corrupted during download, and I would suggest trying to download it again. If you downloaded it from a peer to peer network, the file may be a fake.
You maybe able to skip the check sum at your own risk:
Checksums are there to protect you.
To enable skipping of the checksum verification to speed up mounting. So use the following (in Terminal):
*defaults write com.apple.frameworks.diskimages skip-verify true*
This will turn off disk image verification system-wide, regardless of what client has requested the mount (e.g. Finder or Safari or Disk Utility or DiskImageMounter.app).
Message was edited by: leroydouglas
Mac Invalid Checksum Dmg Windows 10
Nov 9, 2010 1:56 PM