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Hi Mazin,
Try the following:
1) Log into the device and navigate to expert mode.
2) Edit the /boot/grub/menu.1st and change its timeout parameter from 0 to 4. Save the changes.
3) Reboot the machine.
4) Press a key on the "Press any key to see the boot menu" screen. This should open the Check Point Boot Menu.
5) Choose the "Start in maintenance mode".
6) Enter the Expert mode credentials.
7) Follow sk92442 to repair the filesystem.
I hope that helps.
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