Troubleshooting Boot Issues

VM Won’t Boot

Check 1: Boot Order

qm show_boot_info 100
# Verify boot device exists
qm start 100 --boot order=scsi0

Check 2: Disk Full

# Check disk space
qm monitor 100 info block
 
# Resize disk
qm resize 100 scsi0 +10G

Check 3: ISO Not Mounted

# Mount ISO
qm set 100 --ide2 local:iso/ubuntu.iso,media=cdrom

Common Errors

Error	Solution
No bootable device	Check boot order
Boot loop	Disable secure boot
PXE error	Check network boot

See Also

• Troubleshooting
• Boot-Configuration
• EFI-Configuration

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