Essayer les methodes ci dessous,

Admin

Few methods to switch to Rescue mode,

1) with finger / Frontpanel Bouton during start-boot

2) putty - to-the-rescue
echo "rescue" >> /proc/stb/fp/boot_mode && reboot

4) Only if your receiver dont go in recovery mode

For rescue DM900 use usb cable and putty (serial port).

Start receiver and push ctrl+C to enter in cfe mode. Use usb stick for rescue file downloaded from internet.
ifconfig eth0 -auto
show devices
dir usbdisk0
boot usbdisk0:zImage-rescue-xxxxx