Fra Harddisk til SSD uden at geninstallere Windows

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Installing a solid-state drive is one of the best upgrades you can make for your desktop computer. And the easiest way to get one into your system is to physically install it, connect the right cables, and reinstall Windows from scratch.

(This story originally ran in April 2013, written by Lifehacker alum and former editor-in-chief Whitson Gordon. It was updated in August 2018 by David Murphy.)

But maybe you don’t want to deal with setting up Windows (again), getting all of your critical files and folders back on a new hard drive, and reinstalling all your apps. We feel you. But there’s also another option when you’re migrating to a new SSD: cloning your old hard drive onto the new one. It’s (reasonably) fast and easy to do, and something you can set to run overnight if you don’t want to wait and watch. When you wake up and switch your system over to your new SSD, everything will be exactly as you left it.

Before we begin, there are a few caveats (as always). First, your new SSD has to be big enough to hold everything on your primary hard drive. If that’s not the case, cloning won’t work. You can delete files you no longer need (or can re-download again, like your huge games library) to free up space. That, or you can just install a fresh version of Windows on the new SSD, make that the primary boot drive (via your motherboard’s BIOS), and use your older hard drive as secondary storage for your less-critical files, games, movies, or whatever.

A note for laptop owners

If you’re replacing your laptop’s drive with a new SSD, this entire process becomes a bit more difficult, since you probably only have room for one drive (unless your laptop comes with a spare slot for an M.2 SSD). You can pick up a USB-to-SATA adapter, an external dock, or one of these fancy gadgets and clone your primary drive to your new SSD that way.

Depending on your USB connection and the size of your laptop’s drive, the cloning process could take anywhere from a reasonable to a large amount of time. However, the wait is worth it: replacing an older mechanical hard drive with a brand-new SSD is one of the best performance upgrades you can give your laptop.

Step One: Grab Macrium Reflect (free edition)

We’ll be using the application Macrium Reflect to clone your hard drive to your new SSD. You can find it here—just click on the big “home use” button. When you double-click on the installer, you’ll actually see a screen that looks like a downloading tool rather than your typical application installer. That’s correct. I’m not sure why Macrium Software goes this route instead of just offering up the entire app as a download, but there you go.

Screenshot: David Murphy

You shouldn’t have to change any options on this screen. Just click the “Download” button and follow all the prompts when it has completed. Once Macrium Reflect loads up, and assuming your new SSD is connected to your desktop or laptop, you’ll see a screen that looks something like this:

Screenshot: David Murphy

For the purposes of this article, I’ll be wiping my F:\ drive (“Tiny Game Drive”) and pretending I’m cloning my primary drive, C:\, over to it. (I accidentally deleted my screenshot that showed F:\ as empty, so let’s play pretend for a moment.) Also, ignore the two hard drives in the middle (“Steam” and “Big Fatty”). I have a lot of drives in my desktop system.

Step Two: Setting up the clone

To get started, just click on the “Clone this disk” link underneath your primary hard drive, which should be selected by default. On the screen that appears, click on the “Select a disk to clone to” link in the big box of empty white space and pick your new SSD. Your screen should then look something like this:

Screenshot: David Murphy

You might have as many partitions as my example; you might have fewer. Regardless, you’re going to want to get them situated on your new SSD. You might just be able to click “copy selected partitions” and have everything map out perfectly on your new SSD. You might also get hit with a:

Screenshot: David Murphy

Sigh. In my example, I could fit the first four partitions onto my new SSD, but the fourth partition—my primary data partition—appeared as if it was eating up the rest of my SSD’s space, even though the SSD had plenty of room for every partition from my primary drive. To fix this, click on “Undo” and manually drag your partitions from your old hard drive onto your new SSD, saving the largest partition for last:

Screenshot: David Murphy

Once you’ve done that, click “Next.”

Step Three: Activating the clone

You’ll now see a screen that has a pretty detailed review of all the things Macrium Reflect is going to do once your clone starts. No, it hasn’t done anything yet—you’ve just been setting it up.

Screenshot: David Murphy

You can review these settings if you’d like, but you’re probably pretty safe to just hit “Finish,” which starts the procedure:

Depending on the size of the drive you’re going to—how much data Macrium Reflect has to move—as well as its speed, this process could take a little time. Mine was done in a smidge over a half-hour, but I was cloning an SSD (where my Windows partition lives) to an empty SSD for this example. In other words, the transfer was pretty speedy. Moving from a hard drive to an SSD might take four times as long (or more). If you’re impatient, you can just set up your clone to run overnight, and everything will be set once you wake up.

Step Four: Wrapping up

Now that you have a clone of your original drive, shut your computer off. Don’t do anything on your primary drive that might put data on your computer that you’d otherwise want to save, because that won’t be reflected on your cloned drive (obviously).

One small exception, however: Make a text file on your desktop that says “THIS IS THE OLD HARD DRIVE,” or something more witty than that.

If you’re replacing your old hard drive with your new SSD, disconnect your old hard drive from your desktop or laptop (likely a SATA and power cable) and plug in your new SSD right where your old drive used to be. You shouldn’t have to tweak anything else in your system’s BIOS—it should boot directly to your primary Windows partition on your new SSD. (Or, at least, mine did.)

If you’re keeping your old hard drive around, reconnect it to another SATA port (I’m assuming) on your desktop system. Check to make sure your computer doesn’t accidentally boot to it instead of your new SSD by seeing if the total size of your c:\ drive (in bytes, in its “Properties” screen) matches the capacity of your new SSD, not your old hard drive. That, or look for the “THIS IS THE OLD HARD DRIVE” text file on your BIOS, assuming you didn’t skip that step. If you’re booting to the hard drive accidentally, you’ll have to change your system’s boot order in your BIOS.

Assuming that your computer is correctly booting to your new SSD, pull up Computer Management (via the Start Menu), click on Disk Management, find your old hard drive, right-click on its various partitions, and select “Delete Volume” for each one. If this option is grayed out, you might need to use a third-party app like Paragon Hard Disk Manager (the free version) instead. Same concept, it’ll just allow you to delete your old volumes and re-partition the drive as a big fat chunk of empty space.

Screenshot: David Murphy (Paragon Hard Disk Manager)

Step Five: Proper SSD maintenance

To confirm that Windows 10 correctly recognizes your new SSD, and performs all the right TRIM functions on a regular basis, click the Start button, type in “Defragment,” and select the first option: “Defragment and Optimize Drives.”

In the screen that appears, Windows should note that your primary C:\ drive is indeed a solid-state drive, like so:

Screenshot: David Murphy

You can also check that TRIM is enabled via the Command Prompt. Open up a Command Prompt with Administrator access (right-click on the shortcut, via the Start Menu, and select “Run as administrator”), and enter this command: fsutil behavior query DisableDeleteNotify

If you see a screen like this, you’re golden:

Screenshot: David Murphy

If not, you can force Windows to enable TRIM by entering the following command: fsutil behavior set DisableDeleteNotify 0

While you’re at it, your SSD’s manufacturer likely has some kind of application it offers that you can use to ensure Windows (and your motherboard) are property configured for maximum performance. That, and these apps usually let you check for (and install) new firmware for your SSD. Head on over to your SSD manufacturer’s website, or the product page for your specific SSD, and see if there’s an app you can download and install, like Samsung’s Magician, for example:

Screenshot: David Murphy (Samsung Magician)

And make sure you use a third-party app like MiniTool Partition Wizard, if you’re moving from an older mechanical hard drive to a newer solid-state drive, to align your partitions for the best performance possible.

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