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Questions tagged [external-hard-drive]

A hard drive designed to be connected to a computer via an external interface such as USB, eSATA, Thunderbolt, or IEEE 1394.

0 votes
0 answers
86 views

ddrescue 0% recovered - is the external hard drive dead?

I assume my external exFAT hard drive is dead. There are many questions about ddrescue but typically the poster manages to recover something. I just want an analysis of my results. ddrescue shows: I ...
80432232's user avatar
1 vote
1 answer
456 views

Drive not appearing in Optimise Drives (Windows 10)

Running Windows 10 with two 16GB pen drives (mapped to F: and P:) and a larger 4TB WD external disk (mapped to W:). All drives work correctly, appear in Windows Explorer, Disk Management, you can ...
AlainD's user avatar
  • 4,867
0 votes
0 answers
313 views

Sandisk Extreme Portable SSD (1TB) not visible

I have a SanDisk Extreme Portable SSD (1TB), and have been using it for two years without any issue. This weekend I connected it to a new Synology NAS (DS223) and tried to copy the files over. The ...
Raymond Liang's user avatar
2 votes
1 answer
90 views

External hard drive unmounts when spun down

I'm using a Raspberry Pi 5 with an external hard drive connected via USB 3. On boot, it is mounted with the following entry in /etc/fstab: LABEL=external /mnt/external ext4 defaults,noatime,nofail 0 2 ...
Thomas's user avatar
  • 21
0 votes
1 answer
42 views

Trying to understand SmartCRTL results: Normed value less than the worst value?

Please see the below output of smartctl for external hard drive. For attribute: Offline_Uncorrectable, the current normed-value is less that the worst value. How is it possible? It should be always ...
Porcupine's user avatar
  • 473
0 votes
0 answers
241 views

SSD freezes when trying to copy particular file off of it

I have an external NVMe SSD formatted as APFS (Encrypted) that I store all my files in. I noticed that it started hanging a lot when trying to use it, so I decided to transfer all the files to another ...
Skeleton Bow's user avatar
0 votes
1 answer
234 views

Using rsync to merge two source directories

I have my photos on an external disk, which I back up to my server by manually running a script that uses rsync. This script ensures that my external disk and my backup are in sync, which means ...
Jure Merhar's user avatar
0 votes
1 answer
220 views

Files getting corrupted when copying from external HDD to self

For several years we have been successfully using an external USB3 2TB HDD (Seagate expansion). Several months ago we started having issues. I've made experiments and the issues are very reproducible. ...
Ark-kun's user avatar
  • 129
1 vote
0 answers
24 views

Eco / Stand-by / Spindown settings for LaCie Rugged Triple USB 3?

I have two LaCie Rugged Triple USB 3 external HDDs connected to a powered USB hub. When my Mac is 'on,' the drives are managed by macOS and go into stand-by correctly. But when the Mac is off, the ...
tagscuderia's user avatar
0 votes
0 answers
117 views

Is WD PR4100 supports Seagate EXOS X18z ST18000NM009J?

I'm using My Cloud Pro Series PR4100 as NAS storage. I'm using WD Red NAS Hard Drive 6TB×4 HDD right now. I want to change them with Exos™ X18 18TB×4. Is it support?
Mohammad Dayyan's user avatar
1 vote
2 answers
159 views

How can I prevent Backblaze from frequently (every few days) reuploading my entire external hard drives?

It seems that Backblaze is frequently (every few days) reuploading my entire external hard drives. Backblaze already has the files on its server, so it's only scanning my entire external hard drives, ...
Franck Dernoncourt's user avatar
0 votes
2 answers
298 views

Lost the data I moved to an external drive on Windows

This happened to me twice so far. I have 2 Windows PCs with an external drive attached to one of them (Windows 11 Pro). It is a 3TB HDD that is about 25% full. Yesterday, I switched off the Windows 11 ...
TheBlueSky's user avatar
-3 votes
1 answer
156 views

Do all external hard drives require a power supply with positive polarity?

I am shopping for an AC/DC power adapter for an external hard drive, and I've noticed that the power supply required for the couple of the external hard drives I looked at is always with positive ...
Franck Dernoncourt's user avatar
0 votes
1 answer
145 views

Preserving Quick Access Pins and Libraries with Robocopy

So I've had an external drive that I kept plugged into my laptop that later started having connection issues. I decided to use Robocopy to transfer the files over to a new drive with (effectively) the ...
woashi's user avatar
  • 13
0 votes
1 answer
97 views

Laptop RCA Connectivity

Is it possible to connect a CD/DVD Burner to a laptop computer with an RCA to 3.5mm auxiliary jack to watch movies? I have tried to connect this cable that I bought with the laptop computer to Flat ...
Kevin Morgan's user avatar

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