Copy Speed 0 Bytes: How to Fix File Transfer Speed Drops to Zero

Brithny updated on Nov 29, 2018 to Partition Manager | How-to Articles

"I have a mini PC with Windows 10 64-bit preinstalled. When I set it up this weekend and copy files to my USB drive, the speed is abysmal. It fluctuates wildly during copy or move. Rarely more than 10mb/s, and every few seconds it drops to zero, where it hangs for minutes. Transferring a folder with lots of files can take hours, with most of the time wasted. Can someone help me?"

How to Fix "Copy Speed 0 Bytes" issue

Windows 10 has proved to be one of the most popular and stable operating systems to have seen the light of the day. Despite its extreme popularity, it also gets bogged down by its fair share of errors. One of the most persistent errors is the file transfer to a drive, a USB, or over the network either totally stops or suffers from extreme lags while being processed. 

On this page, we will provide workable methods to solve the problem. Let’s check them out right away.

PAGE CONTENT:
Disable Remote Differential Compression
Update All Drivers
Run Disk Defragmenter
Format the Drive

Method One. Disable Remote Differential Compression

The Remote Differential Compression task compresses data before it is sent over the network. This takes a considerable amount of time and can lead to congestion. Speed up the file copying, moving or deleting process by disabling this process.

  • Open Control Panel and select Programs and Features.
  • Now select Turn Windows features on or off from the pane on the left-hand side.
  • Search for Remote Differential Compression API Support and uncheck the box next to it.
  • Click OK to save the changes.

Method Two. Update All Drivers to Fix "Copy Speed 0 Bytes" Issue

Windows prefers to install its own drivers for computer peripherals, whereas using other drivers can result in decreased file transfer performance sometimes. Therefore, it is possible that updating the driver can fix the problem under discussion.

  • Download the latest drivers for BIOS, Chipset, HDD and IDE Controllers.
  • Open Device Manager.
  • Right-click on the device you want to update the driver for and click Update driver.

Method Three. Run Disk Defragmenter on Both Drives

  • Click the Windows button and search for Disk Defragmenter.
  • Select the concerned drive and then click Optimize.

Method Four. Format the Drive to Which You Are Copying Data in NTFS

Sometimes the only reason a drive's copy speed showing 0 bytes is that it isn’t formatted properly. So, you can format your USB drives or external hard drives in a proper way. 

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 Windows 10 is supported

EaseUS partition software is a popular disk partition management tool which is available for all disk or partition related jobs such as format disk partition, extend system partition, settle low disk space problem, convert MBR to GPT without data loss and vice versa. You can try it whenever you want to format your device in a proper way.

Tip
Before you format your USB drive or other devices to fix "file transfer speed 0 bytes" issue, you'd better back up your data to avoid data loss.
 

Step 1: Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the "Format" option.

Format Hard Drive Partition - Step 1

Step 2: Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click "OK".

Format Hard Drive Partition - Step 2

Step 3: In the Warning window, click "OK" to continue.

Format Hard Drive Partition - Step 3

Step 4: Click the "Execute Operation" button in the top-left corner to review the changes, then click "Apply" to start formatting your external hard drive/USB/SD card.

Format Hard Drive Partition - Step 4
 
 

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Frequently Asked Questions

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Will the "Migrate OS" feature transfer the Windows system files only or the whole C drive?

To ensure that the migrated system will boot normally, the Migrate OS feature will transfer all the files in the system and the boot partitions. Generally, the boot partition is the C drive so the transfer will include all the files in C.

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What should I prepare before resizing the partition?

On the partition that is going to be operated, there might be some files being occupied by other programs. To ensure a successful operation, we suggest that you close all the unnecessary software before resizing that partition. Otherwise, EaseUS Partition Master will detect the partition being locked by the other software and require a reboot to resize the partition under boot mode.

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