diff --git a/.github/workflows/release-nesdoctor.yml b/.github/workflows/release-nesdoctor.yml
index 9bb12c4f..f1c54ca6 100644
--- a/.github/workflows/release-nesdoctor.yml
+++ b/.github/workflows/release-nesdoctor.yml
@@ -130,6 +130,29 @@ jobs:
           echo "::group::${{ matrix.target }} — JSON"
           cat "$RUNNER_TEMP/probe.json" 2>/dev/null || echo "(no json written)"
           echo "::endgroup::"
+          # The raw output of the platform probes, so a field that comes back
+          # empty can be told apart from a parser that is wrong. `gpu=unknown`
+          # on the macOS runner could be either, and guessing which cost a
+          # round trip.
+          echo "::group::${{ matrix.target }} — raw platform probes"
+          case "${{ runner.os }}" in
+            macOS)
+              system_profiler SPDisplaysDataType 2>&1 | head -40 || true
+              sysctl -n machdep.cpu.brand_string 2>&1 || true
+              df -Pk 2>&1 | head -20 || true
+              ;;
+            Windows)
+              powershell -NoProfile -Command \
+                "Get-CimInstance Win32_VideoController | Format-List Name,AdapterCompatibility,AdapterRAM" 2>&1 | head -30 || true
+              powershell -NoProfile -Command \
+                "Get-PSDrive -PSProvider FileSystem | Format-Table Name,Free,Used" 2>&1 | head -20 || true
+              ;;
+            Linux)
+              df -Pk 2>&1 | head -20 || true
+              ls -l /sys/class/drm/ 2>&1 | head -20 || true
+              ;;
+          esac
+          echo "::endgroup::"
 
       - name: Package
         shell: bash
diff --git a/apps/nesdoctor/src/sys.rs b/apps/nesdoctor/src/sys.rs
index c87800aa..ccdf9082 100644
--- a/apps/nesdoctor/src/sys.rs
+++ b/apps/nesdoctor/src/sys.rs
@@ -293,6 +293,27 @@ fn gpus() -> Vec<Gpu> {
                 });
             }
         }
+        // Fallback for Apple Silicon, where the GPU *is* the SoC.
+        //
+        // The CI runner is a headless virtual Mac and still reported
+        // `gpu=unknown` after the parser above was added, which means either
+        // the parser is wrong or that machine genuinely has no display adapter
+        // to enumerate. Both are plausible and the second is likely, so rather
+        // than guess: on an arm64 Mac the integrated GPU is part of the chip,
+        // so the chip name is a true and useful answer even with no display
+        // attached.
+        if gpus.is_empty() && cfg!(target_arch = "aarch64") {
+            if let Some(soc) = sh("sysctl", &["-n", "machdep.cpu.brand_string"]) {
+                let soc = soc.trim();
+                if !soc.is_empty() {
+                    gpus.push(Gpu {
+                        name: format!("{soc} (integrated)"),
+                        vendor: Some("Apple".into()),
+                        render_node: None,
+                    });
+                }
+            }
+        }
         return gpus;
     }
     #[cfg(not(any(target_os = "linux", windows, target_os = "macos")))]