Many a user find that their hard drive, especially external hard drive, USB hard drive, or portable hard drive does not showing full size when they use it. Usually, these types of hard drives are bigger than 2TB in size. In a few cases, 500GB or 1TB hard drive will not showing full capacity. “Lately I made a bootable USB drive on a USB flash drive for crashed laptop. I fixed the system problem successfully but a new problem arose in the flash drive. The problem is that the USB’s capacity shrank. The flash drive used to have 16GB storages, but it is 2.19MB in Windows Explorer only after it is made as a bootable drive.
Feb 22, 2020 If your 1TB or 2TB external hard drive shows only 32GB or not showing full capacity on the computer, don’t worry. This tutorial article will provide you with effective methods to fix 1TB/12TB external shows only 32 GB and restore to full capacity without losing any data. Hard drive used/free space info displayed is incorrect My hard drive space used and space free information is apparently hugely out of line with actual use. And the defragmenter. No change in the amount of used/free space showing. When I click on C's icon in Disk Management and choose shrink, it says I can shrink C only to about 500 GB. Mar 27, 2020 The hard drive or external hard drive shows the wrong capacity may result from many reasons. If you happen to encounter this issue, try the practical methods in this article. Here, you will learn how to use EaseUS Partition Manager to solve hard drive showing the wrong capacity by formatting/initializing the hard disk, converting MBR to GPT, extend the hard drive, and more.
It's very common to be faced with similar disk problems such as SD card reporting the wrong size, USB drives getting incorrect size. If you are one of the victims of the hard drive showing the wrong capacity, you can deal with them with these effective solutions. Just read on, the content below will clear all your doubts.
|Workable Solutions||Step-by-step Troubleshooting|
|Fix 1. Update Hard Drive Driver||Click 'Start', type Device Manager, and press 'Enter'. Click and expand 'Disk drives'..Full steps|
|Fix 2. Reformat the Hard Drive||Click 'Start', type cmd in the search box. Right-click on the Command Prompt and..Full steps|
|Fix 3. Convert MBR to GPT||You can fix this problem by converting MBR to GPT and then extend the partition..Full steps|
|Fix 4. Initialize the Hard Drive||In Windows 10/8, press 'Windows + R' key, type diskmgmt.msc and click OK..Full steps|
|Fix 5. Check Physical Errors||You should check and repair partition errors to rectify the problem..Full steps|
What demonstrated below is a real story of a user telling his 1TB hard drive showing only 0.18TB of free space.
'My WD external hard drive gets a strange problem. It's 1TB advertised, and I only use it as a backup hard drive. But today, I surprisingly find that the free space is only 0.18TB. That's impossible because the used space can't be more than 200GB. What happened? Why is the hard drive showing the wrong free space? Can I restore the full size? And how?'
A newly bought 500 GB HDD might display only 465 GB even with no data on it. Some external hard disks and USB flash drives may show another incorrect capacity issue that the free space size hugely decreases. Is your hard drive corrupted when it shows the wrong capacity? Not really. There are quite a few reasons that lead to a hard drive showing less space than it should.
Excluding that you have bought a fake hard drive from an unscrupulous merchant, there are several reasons Windows could display the wrong amount of available space. Like hidden files, formatting overhead, virus attack, recovery partitions occupancy, a hard drive issue, etc. In addition to what just mentioned, we list other common causes to help you understand why your (external) hard drive is showing the wrong capacity or free space.
As you can tell, not all the events require fixes. Many hard drives are with an OEM partition or recovery partition for factory restore purpose, and it's usually invisible in My Computer. So, when you find a new hard drive showing less disk space than it advertised, go to 'My Computer' (in Windows 7 and 8) or 'This PC' (in Windows 8.1 and 10) > 'Manage' > 'Disk Management' and check the real space taking by the recovery partition.
For other simple causes, you can troubleshoot quickly. For instance, show hidden files and perform anti-virus to check whether the hard drive shows full capacity or not. If the problem is not solved, continue applying the corresponding solutions below. I hope they can help you.
Step 1. Click 'Start', type Device Manager, and press 'Enter'.
Step 2. Click and expand 'Disk drives'. Right-click on the hard drive shows the wrong capacity and select 'Update driver'.
Step 3. Select 'Search automatically for updated driver software'. If this fails, you can manually search for and install the updated driver software on the official website.
If the hard drive driver is the latest one, but things still go wrong, you can try to uninstall and reinstall the driver.
The following two methods teach you how to format the hard drive with the command prompt and a partition management tool. The former requires particular computer technology. So if you are not familiar with CMD, to ensure safety, you'd better use the easy-to-use formatting tool in Method 2 to do it.
Step 1. Click 'Start', type cmd in the search box. Right-click on the Command Prompt and choose 'Run as administrator'.
Step 2. Type diskpart and press 'Enter'. Then, input and execute the following commands in order.
Step 3. Type list disk and press 'Enter'. All the disk drives will be listed, including your external drives that connected to the computer.
Step 4. Check the number of the hard drive showing the wrong capacity. Type select disk + disk number, and press enter. For example, select disk 1. You're telling diskpart to format disk 1.
Step 5. Go on to type clean. This step starts to clean up all files and folders on the selected hard disk.
Step 6. Type create partition primary and press 'Enter'.
Step 7. Type format fs=ntfs (or format fs=exfat) and press 'Enter'. You're telling diskpart to format the drive with a file system, let it be NTFS, exFAT, etc.
Step 8. Type assign to set a drive letter to the newly created partition.
That's a complete guide of formatting hard disk via diskpart format commands. Is this method complicated for you? If so, format your hard drive with the following easier way. Watch the video tutorial and see how to make it.
If you are not familiar with Command Prompt, you can turn to a professional and easy-to-use hard drive formatting tool. My recommendation is EaseUS Partition Master. Download it and format your HDD, SSD, SD card or USB drive easily.
If the (external) hard drive shows less space than it should because of MBR style, you can fix this problem by converting MBR to GPT and then extend the partition though adding the unallocated space.
The following video shows you to convert MBR to GPT with Windows Disk Management and EaseUS Partition Master. The Disk Management demands you to delete all existing partitions first. If you persist in this way, remember to back up your hard drive at the beginning. Or you can download the partition manager to convert disk between GPT and MBR directly and keep partitions as well as data intact.
After you have succeeded in converting MBR to GPT, continue to expand your disk as follows.
Step 1. Locate the Target Partition
To start extending partition, you should first launch EaseUS Partition Master and locate the target partition which you would like to extend.
Step 2. Extend the Target Partition
1. Right-click on the target partition which you would like to extend and select 'Resize/Move'.
2. Drag the partition panel rightward or leftward to add unallocated space into your current partition and click 'OK' to confirm.
3. If there is no or not enough unallocated space on your disk, use the advanced partition resizing function to directly allocate free space from other partitions to the target drive without deleting or formatting.
Find the 'Allocate XX space from' option, then click 'Select partition'. Choose the partition from which you want to allocate space. Drag the partition panel rightward or leftward to resize the partition you want to extend. Then click 'OK' to confirm.
Step 3. Execute Operations to Extend Partition
Click the 'Execute Operation' button and click 'Apply' to keep all the changes.
GPT header or MBR errors cause most disk size errors. Under these circumstances, initialization can resolve these problems.
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Step 1. In Windows 10/8, press 'Windows + R' key, type diskmgmt.msc and click OK to launch Disk Management. In Windows 7, right-click Computer and then select Manage option to run Disk Management.
Step 2. Find and right-click the hard drive or SSD you want to initialize, and then click 'Initialize Disk'. If the disk is listed as Offline, first right-click it and select Online.
Step 3. In the Initialize Disk dialog box, select the correct disk to initialize. And then click OK to accept the default partition style, or you can change the partition style (GPT or MBR) as you want.
Download EaseUS Partition Master. Connect the hard drive or SSD to PC.
Right-click the target HDD or SSD and select 'Initialize to MBR' or 'Initialize to GPT' accordingly.
Fig 1. Initialize to MBR:
Fig 2. Initialize to GPT:
A pending operation of initializing disk to MBR or GPT disk will be added. Execute the operation and click 'Apply'.
Too many bad sectors can make the disk unable to read and write correctly and show the wrong capacity. Thus, you should check and repair partition errors to rectify the problem. If the situation is terrible, and your hard disk has too many physical bad sectors, you have to consider replacing the new file after backing up data.
These methods are available for you to address internal or external hard drives showing a wrong capacity issue in Windows 10/8/7. EaseUS Partition Manager is very helpful when formatting, initializing, converting, and resizing hard drive. Besides, it's also good at merging/creating/deleting partitions, recovering lost partitions, migrating OS to SSD, and so on. Try it anyway.
With these useful tips, you can solve your wrong capacity problem easily and quickly. If you have other related questions about hard drive only shows half capacity or other wrong capacities, you can read the following questions and answers.
There are several reasons Windows could display the wrong amount of available space. They are:
There are five effective ways to restore the hard drive to full capacity:
The best way to restore a USB drive to its full capacity is to format it. There is more than one way to do this job: you can format a USB flash drive using File Explorer, Command Prompt, Disk Management, or third-party partition manager - EaseUS Partition Master.
To check the capacity of the external hard drive:
Step 1. Open File Explorer. Right-click on your external hard drive.
Step 2. Select Properties.
Step 3. You can see the capacity of your flash drive including the capacity, used space, and free space.
If your USB drive is shown with a wrong size on your computer, it’s likely the result of an improper formatting of the drive. Instead of seeing the actual 16GB or whatever the size of your USB drive is, you’ll see something like a couple hundred MBs available on it.
When you see that, don’t panic because your drive still has the original amount of memory space available on it. There could be various other reasons as well such as maybe your computer is infected with a virus.
Regardless, reformatting your USB drive should fix the issue for you and you’ll be able to use the entire space available on your stick.
The reason we aren’t using the default format option found in the right-click menu of your system is because it sometimes doesn’t work to fix issues like this. It’s a very basic tool and really doesn’t go in-depth to actually find what’s wrong and fix it.
EaseUS Partition Master, on the other hand, has the capability to reformat your drives and fix any issues on them.
When your USB drive is formatted, it’ll show up with its full capacity in This PC on your computer.
If you don’t want to install a tool on your computer to fix your USB drive’s wrong capacity issue, you can use Bootice which is a portable tool that requires no installation.
You just need to get the tool from a website, launch it, specify a few options, and it’ll get your USB drive fixed in no time.
Download the Bootice tool from Softpedia, extract the archive files, and double-click on the executable file to launch the tool.
Plug in your USB drive to your computer, select the drive from the Destination Disk dropdown in the tool, and click on Parts Manage.
A new screen will appear showing all the partitions available on your drive. You don’t need to do anything to them – just click on the Re-Partitioning button at the bottom.
The following screen will let you specify how you’d like to re-partition your drive. Select the options as the following and click on OK.
Disk Mode – select USB-HDD mode (Single Partition)
File system – FAT32
Vol Label – you can enter any name for your drive here
Start LBA – enter 1
Reserved Secs – enter 32
You’ll get a prompt warning you all the data on the drive will be lost. Click on OK to continue and format your drive.
Once the formatting is complete, you’ll find that your computer now shows the full storage capacity of your USB drive.
The wrong USB drive size issue can be fixed using Command Prompt as well. There’s a command that allows you to remove all the partitions, format your drive, and then re-create partitions on the drive.
Open the Start Menu, search for Command Prompt, right-click on it when you see it in the results, and select Run as administrator.
Type the following command into the Command Prompt window and hit Enter. It’ll launch the command-line version of the Disk Utility program.
Type in the following command to view all the disks attached to your computer. Your USB drive will be one of these disks.
To perform an operation on your drive, run the following command replacing N with the actual number for your USB drive.
select disk N
Use the following command to clean up your USB drive.
When the drive is cleaned, run the following command to create new partitions.
create partition primary
Finally, use the following command to format the drive to FAT32 format.
format fs=fat32 quick
Once your drive is formatted, you may need to unplug it and then plug it back into your computer. You’ll then find that your computer allows you to use the full storage capacity of your drive.