diff --git a/scripts/hw-diags b/scripts/hw-diags
new file mode 100755
index 00000000..feb87fc8
--- /dev/null
+++ b/scripts/hw-diags
@@ -0,0 +1,11 @@
+#!/bin/bash
+#
+## Wizard Kit: HW Diagnostics Launcher
+
+source ./launch-in-tmux
+
+SESSION_NAME="hw-diags"
+WINDOW_NAME="Hardware Diagnostics"
+TMUX_CMD="./hw-diags.py"
+
+launch_in_tmux "$@"
diff --git a/scripts/hw-diags.py b/scripts/hw-diags.py
new file mode 100755
index 00000000..26ba499f
--- /dev/null
+++ b/scripts/hw-diags.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+"""Wizard Kit: Hardware Diagnostics"""
+# vim: sts=2 sw=2 ts=2
+
+import wk
+
+
+def main():
+  """Run hardware diagnostics."""
+  state = wk.hw.diags.State()
+  wk.hw.diags.main_menu()
+
+  # Done
+  print('')
+  print('Done.')
+  wk.std.pause('Press Enter to exit...')
+
+
+if __name__ == '__main__':
+  try:
+    main()
+  except SystemExit:
+    raise
+  except: #pylint: disable=bare-except
+    wk.std.major_exception()
diff --git a/scripts/wk/hw/__init__.py b/scripts/wk/hw/__init__.py
index dbc9ea7e..b28bffad 100644
--- a/scripts/wk/hw/__init__.py
+++ b/scripts/wk/hw/__init__.py
@@ -1,3 +1,4 @@
 """WizardKit: hw module init"""
 
+from wk.hw import diags
 from wk.hw import obj
diff --git a/scripts/wk/hw/diags.py b/scripts/wk/hw/diags.py
new file mode 100644
index 00000000..a27ba087
--- /dev/null
+++ b/scripts/wk/hw/diags.py
@@ -0,0 +1,143 @@
+"""WizardKit: Hardware diagnostics"""
+# vim: sts=2 sw=2 ts=2
+
+import logging
+import pathlib
+import platform
+
+from collections import OrderedDict
+from docopt import docopt
+
+from wk.cfg.main import KIT_NAME_FULL
+from wk.exe import run_program
+from wk.std import (
+  Menu,
+  clear_screen,
+  color_string,
+  pause,
+  print_error,
+  print_info,
+  print_standard,
+  print_warning,
+  sleep,
+  )
+
+
+# STATIC VARIABLES
+DOCSTRING = f'''{KIT_NAME_FULL}: Hardware Diagnostics
+
+Usage:
+  hw-diags
+  hw-diags (-q | --quick)
+  hw-diags (-h | --help)
+
+Options:
+  -h --help           Show this page
+  -q --quick          Skip menu and perform a quick check
+'''
+LOG = logging.getLogger(__name__)
+MENU_ACTIONS = (
+  'Audio Test',
+  'Keyboard Test',
+  'Network Test',
+  'Start',
+  'Quit')
+MENU_OPTIONS = (
+  'CPU & Cooling',
+  'Disk Attributes',
+  'Disk Self-Test',
+  'Disk Surface Scan',
+  'Disk I/O Benchmark',
+)
+MENU_OPTIONS_QUICK = ('Disk Attributes',)
+MENU_SETS = {
+  'Full Diagnostic': (*MENU_OPTIONS,),
+  'Disk Diagnostic': (
+    'Disk Attributes',
+    'Disk Self-Test',
+    'Disk Surface Scan',
+    'Disk I/O Benchmark',
+    ),
+  'Disk Diagnostic (Quick)': ('Disk Attributes',),
+}
+MENU_TOGGLES = []
+
+
+# Classes
+class State():
+  """Object for tracking hardware diagnostic data."""
+  def __init__(self):
+    self.tests = OrderedDict()
+
+
+# Functions
+def audio_test():
+  """Run an OS-specific audio test."""
+  if platform.system() == 'Linux':
+    audio_test_linux()
+  # TODO: Add tests for other OS
+
+
+def audio_test_linux():
+  """Run an audio test using amixer and speaker-test."""
+  clear_screen()
+  print_standard('Audio test')
+  print_standard('')
+
+  # Set volume
+  for source in ('Master', 'PCM'):
+    cmd = f'amixer -q set "{source}" 80% unmute'.split()
+    run_program(cmd, check=False)
+
+  # Run audio tests
+  for mode in ('pink', 'wav'):
+    cmd = f'speaker-test -c 2 -l 1 -t {mode}'.split()
+    run_program(cmd, check=False, pipe=False)
+
+
+def main_menu():
+  """Main menu for hardware diagnostics."""
+  args = docopt(DOCSTRING)
+  menu = Menu()
+
+  # Build menu
+  menu.title = color_string(
+    strings=['Hardware Diagnostics', 'Main Menu'],
+    colors=['GREEN', None],
+    sep='\n',
+    )
+  for action in MENU_ACTIONS:
+    menu.add_action(action)
+  for option in MENU_OPTIONS:
+    menu.add_option(option, {'Selected': True})
+  for toggle in MENU_TOGGLES:
+    menu.add_toggle(toggle, {'Selected': True})
+  for name, targets in MENU_SETS.items():
+    menu.add_set(name, {'Targets': targets})
+  menu.actions['Start']['Separator'] = True
+
+  # Check if running a quick check
+  if args['--quick']:
+    for name in menu.options.keys():
+      # Only select quick option(s)
+      menu.options[name]['Selected'] = name in MENU_OPTIONS_QUICK
+
+  # Compatibility checks
+  if platform.system() != 'Linux':
+    for name in ('Audio Test', 'Keyboard Test', 'Network Test'):
+      menu.actions[name]['Disabled'] = True
+
+  # Show menu
+  while True:
+    selection = menu.advanced_select()
+    if 'Audio Test' in selection:
+      audio_test()
+    elif 'Quit' in selection:
+      break
+    print(f'Sel: {selection}')
+    print('')
+    pause()
+
+
+if __name__ == '__main__':
+  print("This file is not meant to be called directly.")
diff --git a/scripts/wk/tmux.py b/scripts/wk/tmux.py
index 9120a033..186878d9 100644
--- a/scripts/wk/tmux.py
+++ b/scripts/wk/tmux.py
@@ -158,7 +158,6 @@ def split_window(
     target_id=None, **action):
   """Split tmux window, run action, and return pane_id as str."""
   cmd = ['tmux', 'split-window', '-d', '-PF', '#D']
-  pane_id = None
 
   # Safety checks
   if not (lines or percent):