When you perform system backups on Windows 7, you are prompted for a backup destination location as shown below:
You can select the following types of backup destinations:
Sometimes, you may need to prohibit access to external storage devices such as, disallowing anyone
attaching a USB device to your computer to copy data out of your computer. The following steps
demonstration how to disable write access to USB flash memory devices.
Removing USB flash memory devices from your computer does not require you to use the Safely Remove Hardware and Eject Media function if the removal policy is set to default. The default policy disables write caching on the device and Windows and is the default setting after an installation of Windows 7. Write caching uses high-speed volatile RAM to collect write commands sent to the data storage devices and cache them until the slower storage media can deal with them. You can mange write caching on the Policies tab of the device’s Properties dialog box that you access from Device Manager.
External USB hubs that have their own power supplies do not consume power from the computer and most often are called self-powered devices. On the other hand, the computer’s internal USB hub is bus-powered, that is, it consumes the computer’s bus power. One needs to be aware of devices that require a lot of power such as, cameras and should take the necessary precautions to protect both the device and the computer’s motherboard.
From the Device Manager’s USB controllers node you can check the power allocations for a USB hub and find if too many devices are using that hub.
The main advantages of using flash drives instead of DVD-ROMs are becuase of their faster read speeds and ability to customize the installation image according to your needs such as, adding additional drivers! However, your computer must be able to boot from a USB device. A capacity of 4GB is required for a normal x64 installation image and about 3GB for the x86 one.
Follow these steps to perform an installation from a USB device:
Preparing the USB device: – Read more…