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Answer : You could resolve the error by repeating the steps : Run the installer. Open a shell ( ALT + F2 ). Create the directory cdrom directly on the root of the file system: mkdir /cdrom Note : If you got problems making the directory /cdrom, disable the CD-rom player in BIOS or disconnect the cable Mount the USB as if it is a CD-ROM: mount -t vfat /dev/sdb1 /cdrom Where sdb1 is your USB device. You could carry on installation now After executing mount -t vfat /dev/sdb1 /cdrom , cd into the /cdrom directory and do an ls to see if the files are there. Then press ALT - F1 to go back, continue and re-select "detect CDROM" Source :ubuntu and debian Another layman solution was : when the Window shows CDROM couldn't be mounted , Unplug your USB from system and re insert it wait for mount/ detection (usb LED glow) Hit Continue You could do what I did. Hit escape, type install, hit enter, skip CD drive. If you ...

Answer : Yes. This is definitely possible, requiring no modifications or drivers on the PC. As the OP mentions, the USB identification on the phone end is ultimately done in software (in this file https://github.com/android/kernel_msm/blob/android-msm-2.6.35/drivers/usb/gadget/composite.c), and it could be modified to identify itself as a standard USB keyboard. This change would require a couple of things. A modified kernel with a patched USB driver An Android app that could talk to some interface exposed by the modified USB driver. There was a paper published a couple of years ago (titled Exploiting smart-phone USB connectivity for fun and profit ) that described using a phone to brute-force desktop login screens. The method they used involved making the phone appear as a USB keyboard. This doesn't exactly answer your question, but it might help in your use case. Maybe you want to have a look at InputStick. It'll be a USB thumb drive that you pair to Android via...