I have just bought a Sandisk Extreme USB 3.0 64G SDCZ80-064G to install Windows 8.1 Pro.
I have tried with with WinToUSB V2.1 and with the patched VHD version, and there is no way to boot neither on my PC (Samsung NP740U3E-A01FR), nor on other PC (Example NUC Intel i5).

Could you give me some advice ?
Do I have to format the USB key first ?
-GPT or MBR ?
-FAT32 or NTFS ?
-create 2 partitions ?

Do I have to run WinToUSB on legacy mode or VHD mode (I have tried both, VHD with 32Go) ?

Thanks for your help.

Apologies in advance if this has been addressed already but I did search and didnt see any relevant posts.

I am attempting to clone my existing windows 7 enterprise install to an external USB drive and it repeatedly fails [System Clone was not successfull] with the above error.

I was able to open a command prompt and verify that both disks are visible [diskpart; list disk]

I noticed after each failed attempt, the destination disk ends up in "unallocated" [partitions wiped out] state and the tool wouldnt accept a blank/unformatted destination disk.

Any help would be greatly appreciated.

Trying to to get windows 7 on my usb. First try looked like it works, till my pc turned off on his own. Now i wanted to try it again, but I get the error on the Second attachment.

First Attachment appears when i start WinToUSB (before the actual programm starts), the second when i try to format my flash drive.

Hope you can help me. If you need more info just write.

€dit: For those who got the same problem, just Format your Stick to FAT-32 and then let WinToUSB Format it.

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Norton wont let me download wintousb (either 2.0 or 2.1 beta) claiming file is infected with suspicious.cloud.9 trojan horse virus.
Can anybody confirm this is true or false?

WARNING: The Sandisk Extreme disk as recommended is now set up as a removable disk not a fixed disk, and so cannot be used for EUFI.    You can still use it in legacy BIOS mode.

 I was sceptical of its speed claims, but on a website, it said if you are copying from/to an SSD drive via USB3, then you can get close to the maximum speeds claimed 100 MB(ytes)/s write, and 245 MB/S read.

I tried it on my laptop which has an ssd as main drive, and I got 98.5 MB/s read and 210 MB/S read i.e. pretty close to claims.  The USB does get pretty warm though - I wonder about long term usage of this.

I cannot get the drive to boot on Lenovo laptop that has Win8.1 and McAfee Disk Encryption.  Works fine on system with Win 7.0 and Symantec encryption.  Anyone else have this working successfully on Win8.1 and McAfee?

Hello, I want to clone my current Windows USB drive (32GB) to a better USB drive (64GB) without losing changes already made...

Is there a way to do that  ???

Hi All!

So I was successful in building and booting up Windows 8.1 from a USB on my Lenovo Yoga 2 Pro. I am currently running Fedora 21 on my machine and it works very well, however, I wanted to upgrade my BIOS and can't from my Linux system. So I thought that WintoUSB would be the perfect solution. I would boot up Windows and be able to apply the BIOS update.

The problem is that after Windows boot up, it's not recognizing my systems Wireless hardware and, therefore, I have no connectivity. I was expecting that when the system booted, it would recognize my systems hardware. As far as can tell, it does for everything but the Wireless (and there's no ability to connect via wire on this system).

Any suggestions?

Hi, i want to install Windows 10 Build 10041 using WinToUsb on my external HDD. Is it compatible with Legacy mode? And will the perfomance be lower if i use VHD mode? Thanks
Also, is there any trick to delete the 127 Gb of the VHD??

WinUSB Support,

I am using the WinToUSB (2.0, January 2015 Build) version that supports cloning a hard drive to an external USB drive.

Here is my configuration
External USB Drive; WD MyPassport Ultra 0830. Formatted NTFS
Source Computer;
• DELL Latitude E5540
• Windows 7 Professional, 32 bit

During the setup phase of WinToUSB I select the following options;
• Hard Drive; it displays the correct operating system and hard drive characteristics
• Destination Drive; Disk1: WD MyPassport 0830

After the application re-boots and executes the WinToUSB program it issues a dialog (Cloning,…please wait…)
However, I immediately get an error message; Specified disk not found. (0x0005003501220000)

NOTE:  if the USB drive does not have a volume on it; I get an error in the configuration setup (above). Setting a volume on the external drive gets me past that.

I was able to successfully clone a hard drive to the same model of USB drive on a DELL Latitude 6420.

When it mentions “specified” drive; is that the source or the destination drive?

Any ideas on what might be going on?  

Thanks,

Rich