How Do You Recover Data From a Failing Hard Drive?
Published: 17 de julio de 2026
Pulling live prices…
📊 As of July 25, 2026, internal HDD (4TB+) averages $58.13/TB vs $56.98/TB for external HDD (4TB+) on Amazon.com — external HDD (4TB+) is about the same per TB.
📊 As of July 25, 2026, internal HDD (4TB+) averages $42.41/TB vs $53/TB for external HDD (4TB+) on eBay.com — internal HDD (4TB+) is about 20% cheaper per TB.
📊 As of July 25, 2026, internal HDD (4TB+) averages $48/TB vs $55/TB for external HDD (4TB+) on Newegg.com — internal HDD (4TB+) is about 13% cheaper per TB.
📊 As of 25 July 2026, internal HDD (4TB+) averages £54.8/TB vs £45.2/TB for external HDD (4TB+) on Amazon.co.uk — external HDD (4TB+) is about 18% cheaper per TB.
📊 As of 25 July 2026, internal HDD (4TB+) averages £37.79/TB vs £44.05/TB for external HDD (4TB+) on eBay.co.uk — internal HDD (4TB+) is about 14% cheaper per TB.
📊 As of 25 July 2026, internal HDD (4TB+) averages £41.5/TB vs £37.5/TB for external HDD (4TB+) on Overclockers.co.uk — external HDD (4TB+) is about 10% cheaper per TB.
📊 As of 25 July 2026, internal HDD (4TB+) averages £46.02/TB vs £34.51/TB for external HDD (4TB+) on Box.co.uk — external HDD (4TB+) is about 25% cheaper per TB.
📊 As of 25. Juli 2026, internal HDD (4TB+) averages 59,32 €/TB vs 43,38 €/TB for external HDD (4TB+) on Amazon.de — external HDD (4TB+) is about 27% cheaper per TB.
📊 As of 25. Juli 2026, internal HDD (4TB+) averages 51,67 €/TB vs 43,75 €/TB for external HDD (4TB+) on getgoods.de — external HDD (4TB+) is about 15% cheaper per TB.
📊 As of 25 juillet 2026, internal HDD (4TB+) averages 50,63 €/TB vs 44,98 €/TB for external HDD (4TB+) on Amazon.fr — external HDD (4TB+) is about 11% cheaper per TB.
📊 As of 25 de julio de 2026, internal HDD (4TB+) averages 58,32 €/TB vs 47,14 €/TB for external HDD (4TB+) on Amazon.es — external HDD (4TB+) is about 19% cheaper per TB.
📊 As of July 25, 2026, internal HDD (4TB+) averages $108/TB vs $75/TB for external HDD (4TB+) on Amazon.ca — external HDD (4TB+) is about 30% cheaper per TB.
📊 As of July 25, 2026, internal HDD (4TB+) averages $39.54/TB vs $55/TB for external HDD (4TB+) on eBay.ca — internal HDD (4TB+) is about 28% cheaper per TB.
📊 As of July 25, 2026, internal HDD (4TB+) averages $64/TB vs $80.07/TB for external HDD (4TB+) on Newegg.ca — internal HDD (4TB+) is about 20% cheaper per TB.
📊 As of 25 juli 2026, internal HDD (4TB+) averages € 53,3/TB vs € 41,72/TB for external HDD (4TB+) on Amazon.nl — external HDD (4TB+) is about 22% cheaper per TB.
📊 As of 25 luglio 2026, internal HDD (4TB+) averages 60,67 €/TB vs 51,11 €/TB for external HDD (4TB+) on Amazon.it — external HDD (4TB+) is about 16% cheaper per TB.
📊 As of 25 juli 2026, internal HDD (4TB+) averages 578 kr/TB vs 451 kr/TB for external HDD (4TB+) on Amazon.se — external HDD (4TB+) is about 22% cheaper per TB.
📊 As of 25 lipca 2026, internal HDD (4TB+) averages 238 zł/TB vs 181 zł/TB for external HDD (4TB+) on Amazon.pl — external HDD (4TB+) is about 24% cheaper per TB.
Sourced from real discussions on r/DataHoarder and r/datarecovery, cross-checked against live PricePerGig listings.
You’ve found the right place, you can hear some strange clicking from the drive? It’s still powering on, but for how long? Step one? Close as much software as you can, we want to reduce to zero any write activity to the drive. Step two? While the drive still ‘works’ copy the irreplaceable files to another location ASAP. Read on to find the tools, tactics and steps to avert disaster. And remember, don’t panic, if you’ve backed up your data, you can relax, but you probably know that, and haven’t, so let’s not dwell on that right now, but when you can, upgrade your backup procedure.
The table above compares live prices for new internal and external drives of 4TB and up on your marketplace, for the replacement you will want once your data is safe.
First move: triage, do not panic
Take a breath, then act calmly. Panic is what destroys data.
If the drive still shows up and mounts, you have a window. Use it.
Copy your most important, irreplaceable files off first. Photos, documents, the stuff you cannot redownload. Do not start with the easy-to-replace movies. Triage by what hurts most to lose.
Do not run repair tools that write to the drive yet. First get a copy of what you can read.
Software recovery, if it still spins
If the drive is detected but flaky, software can often save you.
The standard approach is to clone the whole drive to a healthy one first, bit for bit, then recover files from the clone. That way you stop stressing the dying drive and work on a safe copy.
The tools worth knowing, all free:
- GNU ddrescue for the clone itself. It reads around bad sectors, comes back for them last, and keeps a map file so you can stop and resume where you left off. This is the one that matters most.
- Clonezilla or Rescuezilla if you would rather boot a USB stick and click through it. Rescuezilla is the friendlier graphical front end of the two.
- TestDisk to rebuild a lost partition table, and its sibling PhotoRec to scrape files off the clone by signature when the file system itself is beyond saving.
Point all of them at the copy, never the original.
I’ve used PhotoRec a number of times over the years, once when a child dragged the cable of an external drive onto the floor, I remember the phone call, many tears, baby photos lost forever, PhotoRec managed to get the vast majority of them back and me a bottle of wine, winner. While strictly an ‘undelete tool’ I’ve included it here to assist.
A drive that still spins and is recognised is the good news scenario. Move fast but gently.
When it clicks: stop and call the pros
Now the hard truth. Some sounds mean DIY is over.
Clicking, grinding, beeping, or the drive not being detected at all usually means physical failure. Heads, motor, platters.
Do not open the drive. Do not stick it in the freezer. Do not keep power cycling it. Every myth on the internet about reviving a clicking drive mostly just finishes it off.
This is when a professional data recovery service earns its fee. They work in clean rooms with the right gear. It is not cheap, but for truly irreplaceable data it is the only real option.
The lesson nobody wants to hear
I have to say it, because this whole situation is avoidable.
A failing drive is only a crisis if it held the only copy.
With a proper backup, a dead drive is a shrug. You buy a new one, restore, and carry on. Without one, you are reading recovery guides at midnight and pricing up clean room services.
So once this is over, set up real backups. The three two one rule is your friend.
The bottom line
To recover data from a failing drive: stop using it, copy the irreplaceable files first while it still mounts, clone it and recover from the copy with software, and call professionals the moment it clicks or vanishes.
Then buy a healthy replacement using the live price per TB above, and set up backups so the next dying drive is a minor annoyance rather than a heartbreak.
Get a good value drive ASAP, now speed is more important than cost, buy the storage you need to replace the failing drive ASAP.
