How to Restore a Deleted ISO Image

Updated on Oct 18, 2026 | by Qiling

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Determine Whether the ISO Is Replaceable
Protect a Unique ISO
Scan for a Unique ISO Image
Check Image Integrity
Frequently Asked Questions

Many public installation ISOs can be obtained again safely from the publisher. A custom or irreplaceable image needs a different approach: protect its source disk before scanning.

Determine Whether the ISO Is Replaceable

Search the original download or build folder, browser download history, Recycle Bin and backups. For a public OS image, prefer an official fresh download over a possibly incomplete recovered executable image.

If the ISO contains a custom deployment build or archived data, record its expected size and any known checksum. A file with the right name may still have missing blocks.

Protect a Unique ISO

Stop large downloads, virtual-machine exports and ISO builds on the physical disk that held the missing image. These activities can overwrite substantial free space.

Prepare another disk large enough for the full ISO and any copies needed for verification. Do not place recovered output on another partition of the source disk.

Scan for a Unique ISO Image

Qiling Deep Data Recovery provides a visual scan of storage that Windows can detect. In this case, use scanning mainly for unique images that cannot simply be reacquired from the publisher. A listed file is only a candidate until you open and verify its recovered copy.

Step 1. Check Download and Backup Sources

Find the original publisher or project backup. If an official intact ISO is available, download it to a separate device rather than scanning.

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Step 2. Choose the Deletion Mode

For a recently deleted local ISO choose Fast Scan. Choose Recycle Bin Scan after emptying the bin, or USB/SD Scan if the ISO was stored on removable media.

Step 3. Select the Original Disk

Identify the physical volume by size and label. Start the scan without saving new large files to the source.

Step 4. Compare ISO Candidates

Filter for .iso and compare size and date. A scan result is not proof the image is mountable or bootable.

Step 5. Recover and Verify a Copy

Click Recover and save to another disk. Mount or inspect a copy and compare a known checksum when available.

Check Image Integrity

A recovered ISO may mount while a later file inside it is corrupted. For boot media, test the image through an appropriate verification process before using it.

Keep custom source files and build scripts, if available, so you can recreate the image rather than depending on one large archive.

Frequently Asked Questions

Is it better to recover or redownload a public Windows ISO?

A fresh official download is usually preferable if the same image remains available.

Does mounting prove an ISO is complete?

Not always. Compare a trusted checksum or inspect important contents.

Can I save a recovered ISO to the same disk?

Use a different physical device during recovery.