Bootable Usb Without Formatting

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An ext4 formatted USB drive with data on it was made bootable USB drive by mistake. I want to recover the USB drive along with the data without formatting the USB drive. The USB drive is an external SSD.The size of the drive is 1TB.I used Start up Disk Creator vailable in Ubuntu to create the bootable external SSD from the iso image I had. How To Create Bootable USB Drive on Windows Without Formatting It. Since, laptops are getting thinner, the first thing gets eliminated from the device is the CD Drives. Compact drives were mainly used for software and OS installations, but nowadays USB drives are mostly used for that process. To install an OS from your USB drive.

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  1. Bootable Usb Windows 7 Without Formatting

i just want to know if there is a way i can write an installation OS files to USB Flash Drive without formatting the files on it.

Shreef Amer Abu-AlrobShreef Amer Abu-Alrob

1 Answer

You can use GParted to shrink the current partition of the USB drive, and create a new partition for the OS files. As always, before you do anything, back up your USB drive. Also ensure that there's enough space on the drive to keep the extracted OS files as well as the existing files on the USB drive.

To do the resize and create a new partition without deleting the data currently on the USB drive, you can follow the steps in this guide: https://www.howtoforge.com/partitioning_with_gparted

Make bootable usb from iso

Essentially the steps are (slightly modified from https://askubuntu.com/questions/126153/how-to-resize-partitions):

(Step 0:) Back up anything really valuable. This is a pretty tried and tested formula but things can go wrong. A power cut at the wrong moment could really ruin your day if you haven't backed up.

  1. Boot to a LiveCD or LiveUSB drive in 'try me' mode.
  2. Load gparted (should be installed by default, you can apt-get it if it's not)
  3. Resize your partitions (right click, click resize, follow the instructions).
  4. Click apply and sit back while it does the job.
  5. Create the new partition on the unallocated space you just freed up.
  6. Reboot, taking out the USB stick or CD when it tells you to.
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Bootable Usb Windows 7 Without Formatting

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