Toshiba 1TB USB Drive Freezing Windows: Bad Sectors Cloned in Under 12 Hours

In this Toshiba external hard drive bad sectors case study, a 1TB USB drive showed a drive letter but no capacity, then froze Windows. We read it on a DeepSpar Disk Imager with a USB add-on card, cloned 99.99% of it in about 10 hours, and had the files ready in under 12 hours.

Sound familiar?

• The external drive powers up and the light keeps flashing, but nothing opens.
• Windows gives it a drive letter but shows no name and no capacity.
• The whole computer freezes a few minutes after you plug the drive in.
• Windows says the drive is inaccessible.
• It stopped being detected suddenly, with no warning.

Same problem? Call 1300 444 800 or request a free assessment.

A Teacher’s Work Files on One USB Drive

Nigel is a high school teacher in Sydney. His Toshiba 1TB USB drive held all his work files, and one day it suddenly stopped being detected. He dropped it off, and it came into our main data recovery lab in Rhodes, NSW.

That is how many external hard drive failures begin, and what the drive does next when it is plugged in tells you a lot.

What Happens When the Drive Is Plugged In?

Before any recovery work, the data recovery engineer plugged the drive into a normal Windows computer to see exactly what Nigel had been dealing with.

It powered up. The blue activity light started flashing. Windows gave it a drive letter. And that was it. There was no volume name, no capacity and no way to see how full it was, unlike every other drive on that machine.

We waited three or four minutes. The light kept flashing frantically, but nothing happened. Then Windows locked up completely. The mouse froze, and eventually an error appeared saying the drive was inaccessible.

That pattern is typical of a drive with bad sectors. The drive spins and answers, but when the computer asks for the areas it needs to show the volume, the drive struggles to read them and keeps trying. Windows waits, and waits, and the whole machine stops responding. Each of those long attempts works a weak drive harder, which is why repeated plugging in is best avoided.

How Did We Recover the Toshiba External Hard Drive?

The data recovery engineer took the drive to the DeepSpar Disk Imager, fitted with its USB add-on card. It is specialised hardware built for exactly this job: reading a drive with bad sectors in a controlled way, rather than letting a computer hammer on the same damaged areas.

There was a plan B. If the DeepSpar could not talk to the drive over USB, the next step was converting the drive to a SATA interface and moving it to the PC-3000.

It did not come to that. The DeepSpar detected the drive and started a sector-by-sector clone onto a healthy drive. From that point on, the original was read once, carefully, and every recoverable sector was copied across. All further work happens on the copy, never on the failing drive.

Toshiba External Hard Drive Bad Sectors Case Study: The Results

The clone took about 10 hours and finished with 99.99% of the drive copied across.

Then came the test that matters. The clone was plugged into Windows, and this time everything appeared correctly: the drive label, the capacity and how full it was, all reading like a normal, healthy drive.

Nigel received an email with a full file listing and a video preview of his recovered data, plus a text message to say it was all ready. From start to finish, the job took under 12 hours.

Why Stop Using a Drive That Freezes Your Computer?

A drive with bad sectors often still works a little. It shows a drive letter, or opens one folder before hanging. That makes it tempting to keep trying, or to run a recovery program over it. Every one of those attempts sends the drive back over its weakest areas, again and again, and a drive with bad sectors can get worse the more it is read that way.

What saved Nigel’s files was a controlled read on hardware designed for failing drives, with a second route ready if the first did not work. Read carefully once, copied once, then left alone. If your external drive is freezing your computer or showing no capacity, the best thing you can do is stop plugging it in and send it in.

For readers who want the background on how these drives store data, the Wikipedia entry on the hard disk drive is a good primer.

Why People Choose Payam Data Recovery

A failed hard drive needs an experienced data recovery engineer, and often a matching donor part. We work on 10 to 15 drives with failed heads every day.

• We are a specialist data recovery lab, not a computer repair shop. We have been recovering data since 1998, from over 300,000 devices.
• The best equipped data recovery lab in Australia: an ISO 5 certified laminar flow cabinet for head replacements, an anti-static lab, microscopes and microsoldering stations for circuit board work, the Ace Lab PC-3000, Atola Insight Forensic and DeepSpar Disk Imager, and over 30,000 donor parts, including around 20,000 donor hard drives. When your drive needs a matching part, it is usually already on our shelf.
• Over 2,000 IT companies and computer shops across Australia send us their customers’ complex cases, and data recovery labs and IT companies in more than 50 countries have sent us their difficult cases over the past ten years.
• Rated 4.9 from over 2,400 Google reviews.
• About 90% of our jobs are no fix, no fee. The hardest 10% carry an attempt fee.
• See your files before you pay. You tell us which files matter most. Before you pay for the recovery, we’ll send you a list of your recovered files so you can check them. If any of the files you listed are missing, tell us and we’ll search again.
• There is no card surcharge. Pay by Visa, Mastercard, American Express, Afterpay, Zip or bank deposit (EFT).
• Everything is done in our own labs in Australia and never outsourced overseas. Call or visit us, and you can speak with the data recovery engineers who do the work.

We are not the cheapest. We are the best in Australia at this work. We know what to do, how to do it, and we will do our very best for you. Your best chance of getting your data back is with us.

Hard Drive Data Recovery Pricing and Services

Every hard drive case starts with a free assessment and a written quote. We test the drive, then email you the problem we found, how we can help, the cost and the time involved, for your approval before any chargeable work. Nothing is charged until you say yes.

A bad sector fault like this one needs no donor parts and no work inside the drive, so it carries no attempt fee. Current prices are on our hard drive data recovery page. For most faults the price is the same whatever the size of the drive. Priority and Emergency service cost more and are faster. Your quote confirms the exact price.

If you need to know sooner, an urgent written quote within 1 to 2 hours is available for a fee. If we recover your data and you pay, return delivery within Australia is free. We can supply a destination drive, or you can send your own.

When the recovery is finished, you get an email with a full file list and a video preview of your data. You can collect the drive from our office, or we ship it back to you. We work for people all around Australia, and you can request a free data recovery quote for any external or internal hard drive.

How Our Process Works for International Customers

International customers are always welcome. The easiest way to reach us from overseas is by email at help@payam.com.au, which works in every time zone. Start with the free quote form. If the indicative pricing suits you, we send job instructions and you post the drive to our main data recovery lab in Rhodes, NSW by a tracked courier. Recovered data comes back on a new drive.

Frequently Asked Questions

My external hard drive shows a drive letter but no capacity. Is the data gone?
Usually not. A drive letter with no name or capacity means the drive is powered and answering, but Windows cannot read the areas it needs to show the volume. In this case the cause was bad sectors, and 99.99% of the drive was cloned. Stop plugging it in and have it assessed.

Why does my computer freeze when I plug in my external hard drive?
A drive with bad sectors keeps retrying the areas it cannot read, and Windows waits for an answer that does not come. The mouse freezes and an “inaccessible” error often follows. Each attempt works the damaged areas again, so it is safer to stop using it.

Should I run data recovery software on it first?
We advise against it on a drive that is freezing your computer. Software reads through the same damaged areas over a normal connection, which is exactly what locks the machine up. Specialised imaging hardware reads the drive in a controlled way and copies it once, so all further work happens on a healthy copy.

How long does bad sector recovery take?
It depends on the drive’s size and condition. This 1TB Toshiba took about 10 hours to clone, and the files were ready in under 12 hours from start to finish. We give you a realistic timeframe for your drive, with Economy, Priority and Emergency options, in the written quote.

Do you need to open the drive?
Not for a bad sector fault like this one. The drive was read over USB on a DeepSpar Disk Imager with its USB add-on card. Opening a drive in an ISO 5 laminar flow cabinet is only needed when the heads or motor have failed, which is a different fault with different pricing.

If you cannot recover my data, is there nothing to pay?
Yes. The assessment and quote are free, and for most faults there is nothing to pay unless we recover your data. See your files before you pay. You tell us which files matter most. Before you pay for the recovery, we’ll send you a list of your recovered files so you can check them. If any of the files you listed are missing, tell us and we’ll search again. The one exception is cleanroom and other high risk work, where part of the quoted price is a non-refundable attempt fee paid upfront so we can begin. That covers the data recovery engineer time and donor parts we commit whatever the outcome. If an attempt fee applies to your job, it will be stated clearly in your quote before you approve anything.

How do I get my files back?
You receive an email with a full file listing and a video preview of your recovered data, so you can check it before anything else happens. The data comes back on a destination drive, which you can collect from our office or have shipped back to you. Within Australia, return delivery is free once you have paid for a successful recovery.

I am outside Australia. Can I send you my drive?
Yes. International customers are always welcome. Request a free quote first. If the indicative pricing suits you, we send job instructions and you post the drive to us by a tracked courier. The easiest way to reach us from overseas is by email at help@payam.com.au, which works in every time zone.

About Payam Data Recovery

Payam Data Recovery has been recovering data since 1998, with more than 300,000 devices recovered. Hard drive work is done on specialised imaging equipment including the DeepSpar Disk Imager and the Ace Lab PC-3000, with donor parts held in-house. Everything is done in Australia and never outsourced overseas. Head office and full service lab in Sydney CBD, with our main data recovery lab for complex cases in Rhodes, NSW, full service labs in Melbourne and Brisbane, and secure drop-off offices in Adelaide and Perth with free overnight delivery to Rhodes, NSW. International customers are always welcome. The easiest way to reach us from overseas is by email at help@payam.com.au, which works in every time zone. You can read more about Payam Data Recovery or see what our customers say in our reviews.

Request a Free Hard Drive Data Recovery Assessment

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Video Transcript

Hey, it’s Mike back at Payam Data Recovery’s lab in Rhodes, New South Wales to see a job that came in today. Nigel, a high school teacher here in Sydney, dropped off a Toshiba 1TB USB drive holding all his work files. It had suddenly stopped being detected.

Payam showed me exactly what Nigel was dealing with. He plugged the drive into a normal Windows computer. It powered up, the blue activity light was flashing away, and Windows gave it a drive letter. But that was it. No volume name, no capacity, no way to see how full it was, unlike every other drive on that machine. We waited 3 or 4 minutes and the light kept flashing frantically, but nothing happened. Then Windows locked up completely. The mouse froze and eventually an error appeared saying the drive was inaccessible.

Payam took it to his DeepSpar Disk Imager with the USB add-on card, specialised hardware built for exactly this purpose. If that failed, plan B was converting the drive to a SATA interface and moving it to the PC-3000. It did not come to that. The DeepSpar detected the drive and started a sector-by-sector clone onto a healthy drive.

About 10 hours after, it finished with 99.99% copied across. Payam plugged the clone into Windows and this time everything appeared correctly: drive label, capacity, how full it was, all reading like a normal healthy drive. Nigel got an email with a full file listing and a video preview of his recovered data, plus a text message to say it was all ready. Start to finish, under 12 hours.

Payam tells me bad sector recovery is one of their most common jobs, with a 99% success rate, and it is no fix, no fee. If your external drive has stopped being detected or is freezing your computer, Payam Data Recovery in Rhodes, Sydney takes on cases like this from across Australia and around the world, with a free assessment and quote. Thanks for watching.