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00
In productionProbeginnerDisk preparation

The installer cannot see free space

Expose safe unallocated space without deleting the Windows partition.

Pairs with Protect Windows and data in Robotics Development Setup & Recovery. Read the concept first, then diagnose it here.

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Operator report

Windows reports 120 GB free inside C:, but Ubuntu offers no install-alongside option.

Ubuntu 24.04 setup emulator, isolated disk images, Linux recovery shell, ROS 2 Jazzy

01

System boundary

Trace only the relevant path.

3 nodes
  1. 01NTFS filesystem→
  2. 02partition boundary→
  3. 03Ubuntu installerOUT
02

How this lab works

You diagnose it. No command list.

Open the repair workspace and gather your own evidence in a real terminal. No diagnostic commands are handed to you - finding the fault is the exercise. Stuck? Progressive hints unlock inside the workspace.

03

Verification

Pass more than the visible symptom.

4 checks
  • Windows partition preserved
  • 120 GB unallocated extent exists
  • Hidden regression behavior
  • Root cause explanation