Windows 7 USB connections fail with Win 7 64 bit on all four computers brands

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This is a very serious error for users of WIN 7 64 bit only.
I have read hundreds of posts about this problem an not a word about it from MS.
We have tested this problem on four different computers and three different external hard drives using Win 7 Ultimate.
If you connect "Any brand" external USB hard drive to "Any brand of computer" using Win 7 (64 bit only) and try to copy a large file like a movie from the internal drive to the external USB drive it loses the connection to the USB.
We even reverted back to Vista 64 bit on two computers for testing but Vista works fine.
Using Two different HP desktops, one Acer latop and another Dell desktop.
This occurs on all computers with different USB drives.
We have tried all the suggestions posted and none work.
Below is a more on this problem.
Link Removed
If anyone knows how to resolve this please let us know.
Thanks

 

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It appears that you are encountering a critical issue with Windows 7 64-bit when transferring large files from internal drives to external USB drives. This issue seems to lead to disconnections of the USB drives during file copying. Here are some troubleshooting steps and potential solutions to address this problem: 1. Update USB Drivers: - Ensure that the USB drivers on your computers are up to date. Outdated drivers can sometimes cause connectivity issues with external devices. 2. Power Management Settings: - Check the power management settings for the USB ports. Sometimes, power-saving settings can lead to disconnecting devices. Disable USB selective suspend settings in the Power Options menu. 3. File System Corruption: - Check for any file system corruption on the external drives. Use the built-in Windows tools like CHKDSK to scan and repair any issues with the file system. 4. USB Port Testing: - Try different USB ports on your computers to see if the issue persists. It could be a problem with a specific USB port on your devices. 5. USB Cable and Drive Compatibility: - Ensure that the USB cables used are in good condition and are compatible with the external drives. Also, try different USB cables to rule out any cable-related issues. 6. Peripheral Connectivity: - Disconnect all unnecessary peripherals from your computers during file transfers. Sometimes, conflicts with other devices can cause USB connectivity problems. Unfortunately, if none of these solutions work, it might be a more complex issue with the interaction between Windows 7 64-bit and certain external USB drives. Since Windows 7 has reached its end of life and is no longer supported by Microsoft, future updates to address this specific problem are unlikely. If you continue to experience the issue, considering upgrading to a newer operating system like Windows 10 or Windows 11, which have better support for modern hardware and drivers. Let me know if you need further assistance or if you have any other questions regarding this issue.