I am having difficulty connecting an USB external hard drive to my guest VM. My host machine is a MAC desktop and the OS is Snow Leopard 10.6.8. I am running VirtualBox 4.1.4 to create a Virtual Machine running Windows 7. This all seems to be running well with no problems and my USB drive is visible and accessible in the host OS but not in the guest Windows. I have followed the instructions in the online User Manual, and have tried at least half a dozen times to attach the USB drive to the Windows 7 machine but without success. At no time do I get any error messages of any sort. Could someone please help with this problem?

Posts: 1 Joined: 13. Oct 2011, 19:09 Primary OS: Mac OS X other VBox Version: OSE other Guest OSses: Windows 7.

This is one of the most common problems reported in the forum and you can't read more than a few topics before tripping over versions of it in it's various manifestations. The main problem is that for USB storage devices you can't have two computers (your guest VM and the host) accessing the device at the same time. What usually happens is that the host will snatch the device and mount it on the desktop before the guest has a chance to see it.

The solution to this is to create a filter as described starting on page 52 of the User Manual under USB support (ha, I bet you didn't see that coming). The filter will then allow the guest to grab the device from the host. It's usually best to create the filter (your guest needs to be shutdown first), then unplug the USB device and start the guest and wait for it to complete startup, and then plug the USB device into the computer. If the stars are aligned and the gods are smiling on you, you may actually see the device in the guest. Volunteer Posts: 910 Joined: 3. Mar 2009, 00:29 Location: Between Heaven and Hell Primary OS: Mac OS X other VBox Version: PUEL Guest OSses: Windows Server 2003 SP2, Windows XP SP3, Windows 7. The way that I have found to solve this problem that seems to work almost every time is:.

Insert the USB drive,. wait for OSX to mount the drive,.

eject the drive in Finder, and. then select the Devices USB Devices menu and select the USB drive to mount the drive. This works because you have to unmount the USB drive from OSX before you can mount it on your guest OS, but the drive must still be plugged in.

I have tried playing with filters with limited success. They work sometimes, but this method seems to work almost every time. Hope this helps. Posts: 2 Joined: 13.

Oct 2011, 18:38 Primary OS: Mac OS X Leopard VBox Version: OSE other Guest OSses: WinXP CentOS. I am having the same problem and what's worse is up until recently this worked fine.

I'm well aware a USB drive is useable by only a single computer. My host OS is Mac OS X 10.7 (Lion) and my guest is Windows XP. I have the latest versions of VirtualBox and Guest Additions installed. The USB drive does not show up in my host OS. While in my guest OS I can see that the device is checked for use under the guest.

But I still don't have access to it. I'm guessing a VB update somewhere along the line broke this functionality. It used to work flawlessly for me. Posts: 3 Joined: 21. Feb 2010, 09:05 Location: Austin Primary OS: Mac OS X other VBox Version: OSE other Guest OSses: Ubuntu 9.10, OpenSolaris, WinXP, Win 7.

Had the same problem with VirtualBox 4.1.8 running Windows 7 Ultimate 64 bit on OSX 10.6.8. To solve the problem I had to install OracleVMVirtualBoxExtensionPack-4.1.8-75467.vbox-extpack this is different than the Guest extensions (which I had installed as part of the original installation). With the extension pack install I then was able to enable USB 2.0 (EHCI) Controller in the machine setting - ports - usb. I also added the device to the filter list.

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If the USB device gets mounted in OSx then I need to be ejected before it can be access by the virtual machine. Now I can access the drive without issues. Posts: 1 Joined: 22. Dec 2011, 05:14 Primary OS: Mac OS X other VBox Version: OSE other Guest OSses: Windows 7 Ultimate 64. Thanks, this just solved my problem. I had done all the steps you mentioned, but the thing that was tripping me up was the need to shut down the guest OS before trying to enable the USB controller.

If you try to do it with the guest OS running, the checkbox is greyed out and you can't enable the controller. So, to reiterate: 1. Install the Oracle extension pack mentioned below 2. Fire up VirtualBox, but make sure the guest OS is shut down 3.

Navigate to SettingsPortsUSB and check the box for Enable USB 2.0 (EHCI) Controller 4. Plug in your USB device and add it to the USB Device Filters list 5. Oh, and if your host OS grabs the device first, just eject it from there and the guest OS will find it and mount it. Ed.vbox wrote:Had the same problem with VirtualBox 4.1.8 running Windows 7 Ultimate 64 bit on OSX 10.6.8.

To solve the problem I had to install OracleVMVirtualBoxExtensionPack-4.1.8-75467.vbox-extpack this is different than the Guest extensions (which I had installed as part of the original installation). With the extension pack install I then was able to enable USB 2.0 (EHCI) Controller in the machine setting - ports - usb. I also added the device to the filter list. If the USB device gets mounted in OSx then I need to be ejected before it can be access by the virtual machine.

Now I can access the drive without issues. Posts: 1 Joined: 28. Dec 2011, 05:19 Primary OS: Mac OS X Leopard VBox Version: OSE other Guest OSses: Windows 7 Ultimate. Read the before opening a topic.: Check this before asking questions.: A must read if you want to know what we're talking about. See the Tutorials and FAQ section at the top of the Forum for more guides.

Try searching the forums first with Google and add the site filter for this forum. Install guest additions site:forums.virtualbox.org Retired from this Forum since OSSO introduction. Volunteer Posts: 17800 Joined: 17. Mar 2008, 13:41 Location: /dev/random Primary OS: Debian other VBox Version: PUEL Guest OSses: Windows XP, Windows 7, Linux. Having similar problem OS X Lion 10.7.3 VirtualBox 4.1.8 r75467 Oracle VM VirtualBox Extension Pack 4.1.8r75467 Guest OS: Ubuntu 11.04 (Natty) Western Digital USB drive - shows up in OS X Disk Utility as 'WD 20EARS External Media' - shows up in VirtualBox as 'Western Digital My Book 0175' I have tried with USB 2.0 EHCI enabled and disabled OS X always wants to mount the drive and I have tried clicking Ignore, Eject, and just leaving the dialogue open.

After I try selecting the drive from the USB devices menu I get this error. Well, same problem here. My Imac is with Lion, the VM is an XP. My hard disk is solid state SSD: this is very fast indeed. TheUSBwon't attach to the guest XP, although I have tried all the here suggested fixes. Maybe the speed of the SSD is the cause? If I eject an USB key from the Mac host, it just does not appear on the XP desk.

All filters are adjusted I suppose, USB 2 driver is ticked indeed. 1 CPU announced. Extension pack installed. I see no way to change the drive letter in XP, I think it would reort some drive error and urge to change the letter if there was something wrong there. My VM is the one which installs itself by default when launching VM and after installing XP disks.

What else to do? Thanks for the help! Posts: 1 Joined: 20.

Feb 2013, 11:13.

Q: Is my AudioBox compatible with USB 3.0? A: The USB bus architecture allows multiple devices to connect to a computer using a standardized cable, plug, and communications protocol. Since its inception, USB has gone through three major versions: USB 1, USB 2.0, and now, USB 3.0. All versions of USB are intended to be backward compatible, meaning that a USB 1 device should work on a USB 2.0 port, and a USB 2.0 device should work on a USB 3.0 port. However, in certain circumstances, there can be incompatibilities that result in poor performance from an older device plugged into a newer USB port.

The AudioBox USB is a USB 1.1 device; the AudioBox VSL series are USB 2.0 devices. In most instances, the AudioBox USB and AudioBox VSL should work properly in a USB 3.0 port, but there are situations where problems may arise.

If you are experiencing issues with an AudioBox plugged into a USB 3.0 port, please follow the steps in this article. Ntsc capture from pal video recorder free. What is USB 3.0? USB 3.0 is a new version of the USB bus that offers many new improvements and features. These include:. More bandwidth.

Faster transmission speeds. Support for higher power demands. Longer cable length More detailed info about the technical aspects of USB 3.0 can be found I’m experiencing issues. How do I know if I have my AudioBox plugged into USB 3.0?

There are three ways to tell if your computer has USB 3.0 functionality: 1. Check the technical specifications of your computer. The technical specifications in the manual that came with your computer should list the presence of USB 3.0 ports. Physically inspect the ports on your computer. A USB 3.0 port will appear distinct from regular USB 2.0 and USB 1 ports in two ways: by color and by markings.

Typically, a USB 3.0 port will appear colored blue on the inside or will have markings on the outside that state “SS” (Super Speed) or “3.0.” Below is an example of what a common USB 3.0 port looks like: 3. Check in the computer’s internal properties. For PCs running Windows: Navigate to the and scroll to the bottom of the list of categories. There will be a category for “Universal Serial Bus Controllers”; expand it. If you see any devices present labeled as below, the computer has USB 3.0 ports:. USB 3.0. XHCI.

SuperSpeed Any device with these features in its title is a USB 3.0 controller, or an element of that controller, so the system at least has USB 3.0 capability. For Macs: We recommend consulting The important element to note:. From the Apple menu, choose About this Mac. Click More Info. Click System Report. In the Hardware section of the System Report, click USB.

If your Mac has USB 3.0 ports, you will see both a USB 2.0 and USB 3.0 selection. Is there an advantage to using my AudioBox USB or AudioBox VSL on a USB 3.0 port? Because the AudioBox USB is a USB 1.1 Device, which is limited to USB 1.1 Speed. The AudioBox VSL devices are USB 2.0 devices, they are limited to 2.0 speed. Introducing the AudioBox VSL to a USB 3.0 bus will not increase the AudioBox performance because it is only capable of performing at the speed at which it was designed.

If your computer has USB 2.0 ports, we recommend using the AudioBox VSL with a regular 2.0 port, not a 3.0 port. My computer only has USB 3.0 ports. What should I do? As stated above, the USB 3.0 architecture is intended to be backward compatible. However, this is not always the case. If your computer only has USB 3.0 ports and you experience problems with your AudioBox, perform the steps below to use your device on a USB 3.0 port successfully: For PCs running Windows 7 or prior: It is necessary to update the chipset drivers for your USB 3.0 architecture.

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Windows 7, like all prior versions of Windows, is not inherently compatible with USB 3.0. Unlike with USB 2.0, no class-compliant driver is provided with these versions of Windows. You must install the latest chipset driver for your USB 3.0 chipset in order to achieve proper functionality. Determining the Computer’s USB 3.0 Chipset 1. Open the 2. Scroll to the bottom of the list of categories and open “Universal Serial Bus Controllers” 3. Locate the USB 3.0 components, per the image below. In this example, our chipset drivers are from Renesas.

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4. Visit the Web site for the vendor and download the latest drivers for your chipset. The list below provides links to each developer’s support site:.

For PCs running Windows 8 and Windows 10, USB 3.0 is natively supported in the operating system. If you are experiencing issues, you may wish to update your USB 3.0 drivers from the manufacturer’s Web site, following the instructions above.

An Alternate Solution for Windows 7 and Windows 8 PCs is to enter your System BIOS at boot-up and disable the xHCI Controller. To find out how to enter your BIOS, consult your motherboard or system manual for instructions. This will turn off USB 3.0 functionality at the motherboard level before Windows had a chance to load. Windows will only see and operate on USB 2.0 functionality.

We have found this to be a working solution for Dell Inspiron and other recent model systems made in 2013 and newer. For Macs, AudioBox USB does not need drivers as it a class-compliant device on Mac OS X. USB 3.0 is only supported on Macs running Mac OS X 10.7.5 or above. In addition, the Mac’s operating system must be fully updated to achieve proper functionality. AudioBox VSL Customers reading this should refer to the Knowledge Base article for the 1818VSL, 44VSL and 22VSL. Current USB 3.0 Support with PreSonus Products Below is a grid representing current PreSonus support for specific USB 3.0 controllers. We have tested compatibility with the latest drivers from the manufacturer’s Web site and with our latest AudioBox driver.

Please update your USB 3.0 chipset drivers using the links above before consulting this guide for proper support for your chipset.