A computer that won’t turn on is stressful. A computer that won’t turn on and might have taken your family photos or ten years of work files with it is worse. The good news: data recovery is possible far more often than people assume. Whether it works for your specific situation depends mostly on one thing — what actually failed.
Logical failure vs physical failure
Logical failure is when the hardware itself is fine, but something’s gone wrong with the data or software layer — you deleted something by accident, a virus corrupted files, the operating system won’t boot, or a drive shows up as “unreadable” without any physical damage. These situations usually have a good recovery outlook, because the data is often still sitting on the drive; it’s just not accessible the normal way.
Physical failure is when the storage device itself is damaged — a hard drive that’s taken a knock, a laptop that’s had a liquid spill, a drive making unusual noises, or storage that’s been through heat or fire damage. Recovery is still often possible here, but it typically requires specialised tools and a lot more care, since the wrong move can make things worse rather than better.
What to do right now, before anything else
If you suspect you need data recovery:
- Stop using the device. Every extra minute a failing drive runs is a chance for further damage or for new data to overwrite what you’re trying to recover.
- Don’t keep restarting it. Repeated power cycling on a drive that’s struggling can turn a recoverable fault into an unrecoverable one.
- Don’t run recovery software on the drive itself, especially “free” tools promising instant results. Installing and running software on a failing or deleted-data drive risks overwriting exactly the data you’re trying to get back.
- Don’t attempt to open or repair the physical drive yourself. This isn’t a warranty warning — it’s that doing so, without the right environment and tools, can turn a fixable problem into a permanent one.
What’s usually recoverable
- Accidentally deleted documents, photos, and videos, from most storage types.
- Data lost to a system crash, failed update, or virus/malware attack.
- Corrupted files and folders, in many common file systems.
- Failed or failing hard drives (HDDs) and solid-state drives (SSDs), whether internal or in an external enclosure.
- Files from USB drives and external hard drives that have stopped being recognised.
What’s harder — or sometimes impossible
- Drives with severe physical damage (crushed, badly burned, or long-term water exposure).
- Data that’s already been overwritten by new files or a failed DIY recovery attempt.
- Encrypted drives where the encryption key or password is genuinely lost.
- Data stored only in the cloud — recoverability here depends on the specific provider’s own policies and retention settings, not on hardware recovery techniques at all.
When to call in a professional
If the device holds anything you can’t afford to lose — and for most people, that’s most of what’s on there — the safest move is to stop, leave the drive alone, and get an assessment before trying anything else. A professional can tell you, usually quickly, whether you’re looking at a straightforward recovery or a more involved one, and what it’s likely to cost, before committing to anything.
If your computer won’t turn on or you’ve lost files you need back, talk to our data recovery team before attempting anything yourself — the earlier we look at it, the better the odds.