Reinstalling QRadar from media

You can reinstall QRadar from a USB drive.

Before you begin

  1. Back up your data.
  2. On a Unified Extensible Firmware Interface (UEFI) system, remove the Grand Unified Bootloader (GRUB) entries for the existing QRadar installation from the UEFI boot loader before you reinstall QRadar.
    1. At boot time, press F1 to enter System Configuration and Boot Management.
    2. Select Boot Manager.
    3. Select Delete Boot Option.
    4. Check grub, then select Commit Changes and Exit.

Procedure

  1. At boot time, press F12 to enter Boot Devices Manager.
  2. Select your installation media from the list.
  3. At the prompt, type flatten.
  4. To reinstall QRadar, follow the instructions in Installing a QRadar appliance.