

When you follow this procedure, you will see some pop-up windows and I highly recommend to read the information provided there. In the tool’s main window select your virtual machine and click Start.In the Add dialog window, select your VirtualBox virtual machine under VM name and add your USB drive under Drive to add and boot.Notice that that the tool needs administrator rights.

#Virtualbox boot from usb download#
Download Virtual Machine USB Boot, start the tool and click Add.You have to follow the procedure below instead. The I/O cache encountered an error while updating data in medium “ahci-0-0” (rc=VERR_ACCESS_DENIED).įreeing disk space as the dialog box suggests, won’t solve your problem. If your operating system requires write access, VirtualBox will throw this error message: Select Use an existing virtual hard drive file and choose the VDMK file (C:\usb.vdmk in the example) you created in step 2. Launch VirtualBox with administrator privileges (right-click and select Run as administrator), create a new virtual machine and follow the wizard until you are asked to add a virtual hard drive.You can also store the VDMK file at another location. Replace # with the disk number you noted in step 2. "%programfiles%\Oracle\VirtualBox\VBoxManage" internalcommands createrawvmdk -filename C:\usb.vmdk -rawdisk \\.\PhysicalDrive# Launch a Command Prompt with administrator privileges (type cmd in the Start menu (Windows 7) or Start screen (Windows 8), right-click the Command Prompt icon, and select Run as administrator) and then type.Launch Disk Management (Press the Windows Key + R and type diskmgmt.msc), locate your USB device and note its disk number.For the sake of completeness, I describe both methods here.
