How to Fix a Slow External Hard Drive in Windows 10

If you have problems with a slow external hard drive, this post is made for you. Here I will talk about various methods to solve it in a comfortable and practical way using the Windows 10 operating system.

Mar 06,2020 • Filed to: Partition Solutions • Proven solutions


There are many reasons why an external hard drive works slowly. Regardless of the reason for the problem, it is understandable that the user wants to solve it as soon as possible. It is worth mentioning that stored information may be at risk if there is a malfunction in any external hard drive, fortunately, this problem has a solution. In this post I will teach you step by step to improve the performance of your computer, keep your information safe and if your external disk is damaged, I will teach you how to recover your information easily.

Part 1: How to Fix a Slow External Hard Drive in Windows 10

External hard drives are very comfortable devices for storing information, its practicality and easy transportation makes it the easiest way to carry large amounts of information with you.

Q: Is it possible to fix a slow external hard drive through Windows 10?

Yes, Windows 10 has several tools that will help you optimize the performance of your disks; however, it is important to know how external hard drives work to avoid future problems.

There are two types of external drives, SSD and HDD. HDD disks read and write information through a magnetic head on a disc that spins at high speeds. This technology allows storing large amounts of information but it is important to keep in mind that HDDs are very fragile due to their complex composition.

An external HDD is highly vulnerable to physical damage because they are designed to be transported from one place to another constantly, therefore, when using an external HDD, be sure to transport it in the safest and the most stable possible conditions.

SSD discs store and read information in a manner similar to flash memory, which makes them much stronger and even lighter, but these are more expensive than the HDD version.

Part 2: What Makes an External Hard Drive Slow?

The fact that an external hard drive disk works slowly may be due to several factors. Next, I will list the most common:

Part 3: How to Fix a Slow External Hard Drive in Windows 10?

Windows 10 operative system is capable to help you to fix some of the external hard drive problems; checking your device for some damaged components should help you too. Here I will show you some options that may help you to make your external hard drive work properly again:

Fix 1: Defrag Your Disk Drive

Step 1: Run “Defragment and Optimize Drives” Windows 10 tool.

defrag disks image 1

Open Start Menu and write “defrag”, scroll up and then click on “Defragment and Optimize Drives” to open it.

Step 2: Start to defragmentate your external hard drive.

defrag disks image 2

Once you have opened the application, search for the external hard drive you want defragmentate, click on it to select it and click on “Optimize”. Windows will start the defragmentation automatically.

Step 3: Choose an optionally optimization schedule.

defrag disks image 3

It is recommendable to defragmentate your disk frequently to optimize its space and keep safe your data. To do it, just click on “Change settings” in the “Optimize drives” tool, and choose for a frequency, then click on “OK”. Now Windows will automatically make a defragmentation in the selected frequency.

Fix 2: Run a Check Disk Scan

Step 1: Run “Command Prompt” tool.

check disk scan image 1

Open Windows Start Menu and write “Command Prompt”, scroll up and right click on the tool, then click on “Run as administrator” in the pop-up list. If the User Account Control’s window emerges, click on “Yes”.

Step 2: Write the command to start Check Disk Scan.

check disk scan image 2

Make sure you have closed all the applications. Once you have opened “Command Prompt” tool, write the letter of your external hard drive unit with a colon after it, then hit space bar and write “/f”. After that, hit Enter.

Step 3: Wait for results.

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Whether the process found problems or not, it will notify you. If there’s a corrupted file or something wrong, this tool will help you to fix it.

Fix 3: Check Disk Drive for Physical Damage

Make sure your disk drive is in good conditions. Check it entirely and search for a warp, a loose screw or a bent pin. If there’s nothing evident, search for a professional to check it inside. In some cases, the disk could be repaired if the damage is superficial, however, if your disk suffered serious damage, it is very likely that you will only use it to recover your information and replace it with a new drive.

The information retrieval process may seem like a complicated task, however, there are tools that make this process extremely easy.

Next, I will show you how to recover and repair the information of any drive using Recoverit Data Recovery. Once you have downloaded it, run the installer and open it.

Step 1: Select the Drive

recoverit interface

Launch Recoverit. Your drive will be there. Select and click “Start”.

Step 2: Scan your Drive

scanning lost data

Recoverit will initiate a scan on the drive. You’ll have great features you can use to streamline the scan and recovery process. For instance, you can simply tick the file types you want to recover instead of everything.

Step 3: Preview and Recover Drive Data

preview recovered file

The conclusion of the scan will reveal a long list of the files the software found. Recovering them is just matter of you selecting all the files or specific ones and clicking “Recover”. The files will all be retrieved and saved on any location of your choice.

Fix 4: Check the Cables for Wear and Tear

Cables are easy to wear and tear, if you constantly connect and disconnect your hard drive, or you just move it in some occasions, they can start to trigger connection problems. If one of the cables are not in good conditions, change it for a new one and this should be enough to make your hard drive work again properly.

Fix 5: Too Much Disk Activity

Sometimes you don’t realize about applications that are running in your computer. Remember that there are programs that run automatically in the moment that Windows 10 starts and they are not necessary for you or for your system. You can close them through Task Manager tool.

Step 1: Open Task Manager.

task manager image 1

Right click on the taskbar and select “Task Manager” to open it. Alternatively, you can press “CTRL + SHIFT + ESC”.

Step 2: Search for applications you don’t need to run.

task manager image 2

Right click on the app you want to close and click on “End task”.

Fix 6: Check for Viruses and Malware

There are many applications to check for viruses and malware, Windows has a native tool (Windows Defender) which can help you to make an effective scan.

If you do not have an antivirus installed, you can use Windows Defender.

check for viruses image 1

Fix 7: Disable Windows 10 Indexing

Disable indexing can greatly help improve the performance of your computer, facilitating the processes of reading and writing the files stored on the disk.

Step 1: Go to “This PC”

disable drives indexing image 1

You can find this option by pressing the Windows key and typing “This PC”.

Step 2: Open the “Properties” of your drive

disable drives indexing image 2

Right click on the drive you want to disable its index feature and click on “Properties”.

Step 3: Disable the Index option by unchecking the box

disable drives indexing image 3

Go to the bottom of the window and find the Index option, once you have found it, uncheck its box and click on “Apply”.


Sometimes, external disks can reduce the performance of your computer and in most cases, it is an easy problem to solve. External disks are very useful, practical and allow you to comfortably transport large amounts of information, but it is important to keep in mind that, if your external disk uses a magnetic mechanism, it needs to be transported very carefully since any blow, sudden movement or even voltage variations can irreversibly damage it and compromise the integrity of the information stored in it. Fortunately, information can be easily recovered and even repaired with tools such as Recoverit.

Theo Lucia

chief Editor

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