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November 4th, 2012 02:00
Disable USB 3.0 functionality to install Windows 7 from a USB Flash Drive
Original Question: This is how to perform a clean install of Windows 7 from a USB flash drive on Inspiron 7520 by innogen. Instructions provided by innogen with some additions by natakuc4.
This fix is required for systems with exclusively USB 3.0 ports. If you have USB 2.0 ports use them opposed to applying this fix.
Microsoft does not include native USB 3.0 drivers in the Windows 7 installation media.
For those of you who wish to perform a clean install of Windows 7 from a USB flash/thumb drive on a system with only USB 3.0 ports. Perform the following changes in the BIOS setup.
1. Power down your computer. Wait 10 seconds and power it up. Press F2 at the Dell BIOS Screen.
2. This will take you to the BIOS setup.
3. Press the [→] key and then the [enter] key to select the Advanced tab.
4. Press the [↓] key until you get Miscellaneous devices and press [Enter].
5. Press the [↓] key until you get USB Debug and press [Enter]. Change Disabled to Enabled. This will disable USB 3.0 functionality on your 4 ports allowing you to boot Windows 7 from a USB stick.
6. Press F10 to Save and Exit. When prompted select yes by moving the [←] key and press [Enter]
7. The system will reboot.
8. Follow the installation instructions in A Clean Install of Windows 7.
9. Once Windows 7 is installed. Enter the BIOS setup and change the USB Debug setting from Enabled to Disabled.
BuyaToshiba
2 Posts
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November 5th, 2012 06:00
Wow... it would have been easier to do what I did and just use the 2.0 port on the left side!
Philip_Yip
9 Legend
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16.1K Posts
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November 6th, 2012 11:00
It would be in most cases however USB 2.0 ports are slowly being phased out. Some newer systems will be shipped with only USB 3.0 ports and that's why such a workaround is required.