How to Recover MikroTik Router RB750Gr3 from Failed Firmware Upgrade Using Netinstall

MikroTik routers are known for their reliability and performance, but sometimes things can go wrong, especially during firmware upgrades. If your MikroTik RB750Gr3 router has experienced a failed firmware upgrade, you can use the Netinstall tool to recover it. Netinstall is a Windows utility provided by MikroTik that allows you to reinstall the router’s firmware over the network. Here’s how you can use Netinstall to recover your MikroTik RB750Gr3 router.

Prerequisites:

  1. Netinstall Utility: Download and install the Netinstall netinstall64-6.49.11.zip utility from the MikroTik website (https://mikrotik.com/download/archive).
  2. Firmware Image: Download the correct firmware image for your MikroTik RB750Gr3 router from the MikroTik website.                                                      I used   routeros-mipsbe-6.49.11.npk  from MikroTik website (https://mikrotik.com/download/archive).Note :- Its recommended use the same version of Netinstall utility as firmware.
  3. Ethernet Cable: Ensure you have an Ethernet cable to connect your computer to the router Ethernet port Ether1 or WAN port.
  4. Power Adapter: Make sure your router is connected to a power source.
  5. PC IP Address : Configure your PC LAN IP address as 192.168.88.2 /24  and Netinstall Netboot IP address 192.168.88.3.

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