Restore using recovery mode. If you've never synced with iTunes or set up Find My iPhone in iCloud, you'll need to use recovery mode to restore your device. This will erase the device and its passcode. 1  Connect your iOS device to your computer and open iTunes.
So if you have a .deb file: 1  You can install it using sudo dpkg -i /path/to/deb/file followed by sudo apt-get install -f. 2  You can install it using apt-get install package_name. 3  Install gdebi and open your .deb file using it (Right-click -> Open with).
Conveniently, you can do this from the Ubuntu install CD. Boot the live CD/DVD/USB flash drive and select Try Ubuntu instead of Install Ubuntu. Open a folder window and find your Windows partition under Devices.Click it to mount it. Now you can browse and view your files there, and offload anything important.o yes, all you have to do is to download an Ubuntu ISO image on another machine, burn it to CD/DVD or write it to a USB flash drive, and then boot from the CD/DVD/USB on the machine where you want to install. However, if there are files on the old computer you want to recover, it's advisable to do that first.