| Symptom | Likely Cause | Solution | |---------|--------------|----------| | USB not booting | Secure Boot enabled | Disable Secure Boot in BIOS | | Boot failed message | Incorrect ISO write | Re-write USB using dd or Rufus in DD mode | | UCOS unreset hangs at 30% | Corrupted patch | Re-download ISO and verify checksum | | Signature verification failed | Patch not applied correctly | Confirm ISO filename contains patched ; rebuild from trusted source |
Some patched ISOs use alternative commands. Try: bootable ucsinstall ucos unrst 8621000014sgn161 patched
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