diff --git a/install.sh b/install.sh
index f6c6c59ad0..bd3029b2e6 100755
--- a/install.sh
+++ b/install.sh
@@ -998,10 +998,10 @@ get_torch_index_url() {
         # First confirm an actual AMD GPU is present (not just ROCm tools installed)
         _has_rocm_gpu=false
         if command -v rocminfo >/dev/null 2>&1 && \
-           rocminfo 2>/dev/null | awk '/Name:[[:space:]]*gfx[0-9]/{found=1} END{exit !found}'; then
+           rocminfo 2>/dev/null | awk '/Name:[[:space:]]*gfx[1-9]/{found=1} END{exit !found}'; then
             _has_rocm_gpu=true
         elif command -v amd-smi >/dev/null 2>&1 && \
-             amd-smi list 2>/dev/null | awk 'NR>1 && NF{found=1} END{exit !found}'; then
+             amd-smi list 2>/dev/null | awk '/^GPU[[:space:]]*[:\[]/{ found=1 } END{ exit !found }'; then
             _has_rocm_gpu=true
         fi
         if [ "$_has_rocm_gpu" != true ]; then
@@ -1158,10 +1158,10 @@ case "$TORCH_INDEX_URL" in
         _amd_gpu_here=false
         _amd_gpu_radeon=false
         if command -v rocminfo >/dev/null 2>&1 && \
-           rocminfo 2>/dev/null | awk '/Name:[[:space:]]*gfx[0-9]/{found=1} END{exit !found}'; then
+           rocminfo 2>/dev/null | awk '/Name:[[:space:]]*gfx[1-9]/{found=1} END{exit !found}'; then
             _amd_gpu_here=true
         elif command -v amd-smi >/dev/null 2>&1 && \
-             amd-smi list 2>/dev/null | awk 'NR>1 && NF{found=1} END{exit !found}'; then
+             amd-smi list 2>/dev/null | awk '/^GPU[[:space:]]*[:\[]/{ found=1 } END{ exit !found }'; then
             _amd_gpu_here=true
         fi
         if [ "$_amd_gpu_here" = true ] && command -v rocminfo >/dev/null 2>&1 && \
diff --git a/studio/install_llama_prebuilt.py b/studio/install_llama_prebuilt.py
index 9b76548c23..6b0bb150d6 100755
--- a/studio/install_llama_prebuilt.py
+++ b/studio/install_llama_prebuilt.py
@@ -2558,7 +2558,8 @@ def detect_host() -> HostInfo:
     has_rocm = False
     if is_linux:
         for _cmd, _check in (
-            (["rocminfo"], lambda out: "gfx" in out.lower()),
+            # rocminfo: look for "gfxNNNN" with nonzero first digit (gfx000 is CPU agent)
+            (["rocminfo"], lambda out: bool(_re.search(r"gfx[1-9]", out.lower()))),
             (["amd-smi", "list"], _amd_smi_has_gpu),
         ):
             _exe = shutil.which(_cmd[0])
diff --git a/studio/install_python_stack.py b/studio/install_python_stack.py
index bbf71b4496..4fd14e5023 100644
--- a/studio/install_python_stack.py
+++ b/studio/install_python_stack.py
@@ -110,7 +110,8 @@ def _has_rocm_gpu() -> bool:
 
     for cmd, check_fn in (
         # rocminfo: look for "Name: gfxNNNN" indicating an actual GPU agent
-        (["rocminfo"], lambda out: "gfx" in out.lower()),
+        # rocminfo: look for "Name: gfxNNNN" with nonzero first digit (gfx000 is the CPU agent)
+        (["rocminfo"], lambda out: bool(re.search(r"gfx[1-9]", out.lower()))),
         # amd-smi list: require "GPU: <number>" data rows, not just a header
         (
             ["amd-smi", "list"],