Recovery

How to Recover Deleted Footage From a Lorex DVR

Footage gone from your Lorex recorder, or the screen showing No Disk after a power flicker? The recordings are usually still sitting on the disk. Here is what the Lorex errors mean, why the drive looks empty on a PC and the safe steps to get your recordings back.

DVRXaminer Team · 8 min read · Updated August 2026
The short answer

Lost Lorex footage can usually be recovered, as long as the recorder has not written over it. When a clip is deleted or the timeline goes blank, the video normally stays on the hard drive until new recording covers it. The safe move is to power the recorder down, remove the drive and read it on a PC with a tool made for the Lorex layout, all without writing to the disk. Do not let the unit re-format the disk to clear an error, as that is what erases the footage.

Lorex is one of the most popular home and small business camera brands in North America, sold widely through Costco and Best Buy. That popularity means a lot of people hit the same wall. A clip they needed has gone, or the recorder throws a disk error, and they are not sure what is safe to click next.

This guide is Lorex specific. It covers the errors these units show, the models most affected and the exact steps that protect your footage. Lorex recorders are built on the Dahua platform, so the deep detail of the file system is shared. For that technical picture, our Dahua DVR recovery guide goes under the hood. Here we stay focused on Lorex.

What the Lorex No Disk error means

One of the most common Lorex problems is a disk error that appears out of nowhere, often right after a power cut or a flicker. The screen shows one of these messages.

  • No Disk. The recorder cannot see the hard drive at all, even though it is physically installed.
  • HDD is not available for recording. The drive is detected but the recorder will not write to it.
  • Hard Drive is not detected. The same as No Disk, worded differently on some firmware.

These errors rarely mean the footage is gone. More often the recording index or the disk partition took a hit during the power event, so the unit cannot mount the drive normally. The video itself is usually still sitting on the platters. The danger is what the recorder offers next.

The recorder will offer to format the disk to clear the error. Do not accept. When Lorex shows a disk error, it often prompts you to format or initialize the drive to fix it. That lays a fresh empty filesystem over your footage and turns a simple recovery into a lost cause. Close the prompt and power the unit down instead.

LOREX DISK ERROR DECODER ON SCREEN WHAT IT MEANS WHAT TO DO No Disk Drive not mounted at all Footage usually safe Power down Do not format HDD not available for recording Seen but not writable Footage usually safe Power down Do not format Hard Drive is not detected Same as No Disk Footage usually safe Read on a PC Do not format A disk error is almost never proof the video is gone. Formatting to clear it is what makes footage unrecoverable.
The error is not the end. Every one of these usually leaves the footage intact. The one action that loses it is accepting the format prompt.

Why a Lorex drive looks empty on a PC

Take the disk out, wire it to a Windows machine and you still cannot browse the clips the way you would a memory stick. The format is the reason. Lorex writes to the same closed layout Dahua uses, which is neither NTFS nor FAT32, so Windows meets a disk it has no map for. It labels the drive unallocated and offers to initialize it.

So a Lorex disk stuffed with weeks of video can present as an empty volume. Nothing has actually been lost. Windows just cannot trace the recording map that ties the clips together. Pulling them back needs a tool fluent in the Lorex layout that rebuilds each clip from the raw sectors, as the steps below show.

Say no to the Windows initialize prompt too. Much like the recorder, Windows offers to initialize any Lorex disk it fails to read. Agreeing stamps a blank partition table on top of your footage. Dismiss it and open the drive with the proper tool instead.

Which Lorex models this covers

The same approach works across the Lorex range, whether analog, AHD or IP. Recovery does not depend on the camera type, only on the recorder writing to a hard drive.

  • LHV series DVRs. Models like the LHV1000, LHV2000 and LHV5100, hybrid recorders for analog and HD-TVI cameras.
  • LNR series NVRs. The LNR600, LNR610 and LNR680, network recorders for IP camera systems.
  • NR900 series. The NR904 and NR908, 4K network recorders for higher resolution setups.
  • Newer N series. The N841, N842 and N862 smart NVRs sold today.
  • LH home DVRs. The LH060 and LH070 lines, budget recorders with app integration.

Larger Lorex units may hold more than one drive, sometimes in a basic RAID set. If yours has several drives, label each with its slot before you remove them, because the order matters when the footage is rebuilt.

How to recover Lorex footage safely

One principle carries the whole method. Only ever read from the disk, and put nothing back onto it. Work through these steps and everything already recorded stays intact.

  1. Power the Lorex off. Shut the recorder down at once. While it runs, its loop can record over the footage you want, and a disk error left on screen can tempt someone into formatting.
  2. Take out the disk. With the unit unplugged, open it up, unclip the power and data leads and slide the hard drive out. If the recorder holds several disks, note which slot each one sat in before you remove it.
  3. Attach it in read-only mode. Join the disk to a Windows computer using a SATA-to-USB dock, and where you can, run it through a hardware write blocker so the machine cannot change anything on it.
  4. Wave off every format prompt. Windows will ask to initialize or format the Lorex disk. Decline each time and leave the drive as it is.
  5. Run a Lorex-aware scan. Feed the raw disk to software that reads the Lorex layout. A quick sweep turns up recent deletions, and a deep sweep reconstructs older clips from the video data itself.
  6. Preview, then save somewhere else. Check the clips are right, then write them to a separate drive. Never save recovered video back onto the Lorex disk you are pulling it from.
THE SAFE LOREX RECOVERY FLOW Power off stop the loop Pull drive mark the slots Connect write blocked Scan Lorex format Save separate drive Each step only reads the Lorex drive, so footage still on it stays safe.
Read, never write. The Lorex disk is only ever read, never changed, which protects any footage still waiting to come back.

Check for an easier copy first

Before you open the recorder, it is worth checking whether the clip already lives somewhere simpler to reach. Lorex offers a few backup paths depending on your setup.

  • Cloud backup. If you enabled cloud recording in the Lorex Home or older Lorex Cloud app, the clip you want may already be saved to the cloud. Open the app and check the playback history there.
  • An SD card. Some Lorex cameras record to a microSD card as a second copy. If yours does, pop the card into a PC and look in the record folder before touching the recorder drive.
  • A previous export. If you or an installer ever exported clips to a USB stick, that copy is untouched by whatever went wrong on the recorder.

Grabbing a backup you already have beats a full disk scan every time. Pulling the drive is only the move when no backup exists.

What decides whether Lorex recovery works

The same error on two Lorex disks can produce very different results. A few factors tip the balance.

  • How long the recorder kept running. Every hour it records after a deletion, its loop covers more of the footage you want. Powering down fast is the single best thing you can do.
  • Whether anyone formatted the disk. A drive that was formatted to clear a disk error is far harder to recover, because a new filesystem was written on top. A drive left untouched is much better placed.
  • The state of the drive itself. Bad sectors or a failing disk, common after years in a warm cabinet, lower the odds and may need an image of the drive before any recovery.
  • Whether the index survived. If the recording index held, clips come back sorted by date and channel. If it was damaged, the raw H.264 or H.265 video can still be carved out, though the timestamps and channel labels may be lost.

Locked out rather than lost?

When the recordings are fine but the recorder will not let you in, that is a separate issue with its own answer. A lost login blocks the menu, not the disk, so reading the drive on a PC still works. To recover access to the unit, our Lorex DVR password reset guide runs through the security questions, the app reset and the factory reset.

Common questions

Can you recover deleted footage from a Lorex DVR?

Usually yes, provided you move before the recorder loops over it. The deleted clip lingers on the hard drive until fresh video takes its place. Scanning the disk read only with a tool that reads the Lorex layout can piece the clips back together. After the loop overwrites the spot, nothing can retrieve it.

What does No Disk mean on a Lorex DVR?

No Disk means the recorder cannot mount the hard drive, often after a power cut damaged the index or partition. In nearly every case the video still sits on the platters. Never let the unit format the disk to clear the error, because that wipes the video. Power the recorder off and read the drive on a PC instead.

Why does my Lorex drive show as unallocated on my PC?

Because Lorex writes in the same closed format Dahua uses rather than NTFS or FAT32. Unable to read it, Windows calls the drive unallocated and offers to initialize it. Your footage remains on the disk. Refuse the initialize or format prompt, or a blank filesystem gets laid over the video.

My Lorex says the hard drive is not detected. Is the footage gone?

Not necessarily. Hard Drive is not detected usually points to an index or partition problem, often after a power event, rather than lost video. In most cases the video is still held on the platters. Stop using the recorder, avoid formatting the disk and read it on a PC to see what comes back.

Does Lorex keep a backup of my footage?

Only if you set one up. If cloud recording is on in the Lorex Home or Lorex Cloud app, some clips may be saved there. Some Lorex cameras also keep a microSD card as a second copy. Check those first, since a saved backup is quicker to reach than a drive scan.

Can I recover Lorex footage without the password?

Yes. The login gates the on-screen menu, while the recordings on the disk stay reachable. Remove the drive, read it on a computer and the password is never checked. If regaining access to the recorder is what you want instead, our Lorex password reset guide lists the reset options.

Recover your Lorex footage

DVRXaminer reads a Lorex drive read only, rebuilds the filesystem and exports playable clips with the timestamps intact. Run the free trial to see what survives before you buy.

Free Download Talk to our team

Sources

  • Lorex support, HDD errors and storage documentation, lorex.com
  • Forensic research on Dahua DHFS recovery, shared by Lorex recorders, MDPI Information, 2025
  • Lorex Home and Lorex Cloud app backup and playback guides