Hard drive from desktop shows as invalid on laptop

Hey, I need some help here. Please.

So, I pulled a hard drive out of a dead desktop and grabbed one of those external enclosures to use it as an external drive—or at least to try and rescue some files. But when I plug it into my laptop, nothing shows up. Nothing.

It shows up in Disk Management, but it says it's Invalid. I could convert it to Microsoft, but that would wipe my data—and I'm definitely not doing that.
So, when I pull up that command prompt window and start typing stuff like diskpart and then list disk, it shows the drive is Online, but it’s still flagging it as Invalid. I guess.

It feels like Google barely offers any actual software to fix stuff anymore; most of what you find just wants your credit card immediately. I ended up downloading EaseUS Partition Master, but it’s pretty much useless since it says the disk is Offline and won't let me do anything—probably because it's just a trial version. It also shows up as Unlocated, claiming there's 1TB of free space available. I really hope that’s not actually true, because that drive is supposed to be completely full.

The drivers are updated for the drive, or so the computer says. I had Windows 10 installed on both my desktop and my laptop, and I even tried a different laptop running Windows 7, but no luck there either. I hear that Bing notification sound and the pop-up says it's ready to go, but nothing actually shows up.

Is there any way I can pull this off myself without some repair guy messing things up and wiping everything on that hard drive?

Thanks in advance!

rapidorca6 said:Hey, I need some help here. Please.

So, I pulled a hard drive out of a dead desktop and grabbed one of those external enclosures to use it as an external drive—or at least to try and rescue some files. But when I plug it into my laptop, nothing shows up. Nothing.

It shows up in Disk Management, but it says it's Invalid. I could convert it to Microsoft, but that would wipe my data—and I'm definitely not doing that.
So, when I pull up that command prompt window and start typing stuff like diskpart and then list disk, it shows the drive is Online, but it’s still flagging it as Invalid. I guess.

It feels like Google barely offers any actual software to fix stuff anymore; most of what you find just wants your credit card immediately. I ended up downloading EaseUS Partition Master, but it’s pretty much useless since it says the disk is Offline and won't let me do anything—probably because it's just a trial version. It also shows up as Unlocated, claiming there's 1TB of free space available. I really hope that’s not actually true, because that drive is supposed to be completely full.

The drivers are updated for the drive, or so the computer says. I had Windows 10 installed on both my desktop and my laptop, and I even tried a different laptop running Windows 7, but no luck there either. I hear that Bing notification sound and the pop-up says it's ready to go, but nothing actually shows up.

Is there any way I can pull this off myself without some repair guy messing things up and wiping everything on that hard drive?

Thanks in advance!

If the drive itself and the enclosure are functioning properly, you shouldn't need diskpart, any partition tools, or new drivers.

Try plugging it into a completely different computer; it’s possible the drive has simply failed. Or, even better, try booting from a Linux live USB.

You’re going to need to convert that dynamic disk back to Microsoft Basic so it can actually hold its own partition. The reason the disk is showing up as invalid is pretty simple—it’s missing the other partitions from the dynamic setup on your old computer. To function normally, unlike a standard basic disk, you need an MBR at the start of the first partition and an LDM at the end of the last one, as explained here:
https://www.easeus.com/resource/dyna...k-recovery.htm
http://techgenix.com/basic-disk-dynamic-disk-convert/
Don't bother trying to use Windows Disk Management or diskpart for this—both are extremely limited and will just demand that you wipe your partitions entirely. You need a legitimate, full-featured partitioning tool like Paragon, EaseUS, or AOMEI. Just a heads-up: you'll likely need a commercial version, since the free ones usually strip out the advanced features you actually need here. Your alternative is to boot from a Linux CD and use its built-in partition manager for free. In Linux, you can even access the data directly without mounting the partition, though that requires using the CLI. Honestly, if you aren't experienced with this kind of thing, you might want to just take it to a pro—this is a quick fix if you have the right software, but it can get messy if you stumble.

Thanks for the replies. Honestly, I’m pretty sure I’m nowhere near experienced enough to pull this off on my own without messing it up. I wasn't planning on sinking too much cash into this drive anyway—the enclosure ended up costing me way more than I expected, plus the service fees...
If I decide to just bite the bullet and scrap the data, can I assume it'll work fine if I just convert everything through Disk Management?

rapidorca6 said:Thanks for the replies. Honestly, I’m pretty sure I’m nowhere near experienced enough to pull this off on my own without messing it up. I wasn't planning on sinking too much cash into this drive anyway—the enclosure ended up costing me way more than I expected, plus the service fees...
If I decide to just bite the bullet and scrap the data, can I assume it'll work fine if I just convert everything through Disk Management?

Yeah, probably.

For what it's worth, TestDisk actually worked for me when I needed to grab files from a dynamic disk. The interface is a bit clunky since it runs in the command prompt, but if you follow a decent tutorial, you should be able to pull your data back. Maybe just look around online for a guide.

If you're looking to salvage files or fix things on a corrupted drive, TestDisk is actually a solid choice—it's a reliable tool for this kind of mess. I haven't personally put it through its paces for this specific issue, but I found these guides that should walk you through the process:


🧐

Thanks guys, I'll see what I can do

Frank Smith10 said:If you're looking to salvage files or fix things on a corrupted drive, TestDisk is actually a solid choice—it's a reliable tool for this kind of mess. I haven't personally put it through its paces for this specific issue, but I found these guides that should walk you through the process:

🧐

Okay, so this definitely works—I managed to grab all 5—but there are a few issues.

The estimated time to recover everything shot up to over 200 hours after just 15 minutes of scanning, and that wasn't even 10% of the drive. Another thing is that the recovered files don't have their original names, dates, or anything. That’s basically useless to me since I have tens of thousands of photos; I could NEVER organize them without the original timestamps or filenames... I have a backup of those pictures, but I'm not totally sure if everything actually made it. If I had the names and folders, I could at least check and get everything sorted properly.

So yeah, this isn't really helping me much because those hundred or so files that popped up in that first 15 minutes looked like total junk. It was just every possible type of random file, and among the photos, there was a ton of cache stuff (like YouTube thumbnails?) which I don't need at all.

Plus, I have thousands of Adobe Acrobat, IND, and ILL files I want to check to see if they're backed up, along with all my old work docs and faxed files... going through them one by one would take forever.

Uh, all in all, thanks for the options, but unless I totally botched the process, this isn't doing the trick for me.😵