diff --git a/examples/ExampleApp.py b/examples/ExampleApp.py
index 458daf76..c54d79b2 100644
--- a/examples/ExampleApp.py
+++ b/examples/ExampleApp.py
@@ -344,18 +344,15 @@ class ExampleLoader(QtGui.QMainWindow):
 
     def loadFile(self, edited=False):
 
-        extra = []
         qtLib = str(self.ui.qtLibCombo.currentText())
-        gfxSys = str(self.ui.graphicsSystemCombo.currentText())
 
+        env = None
         if qtLib != 'default':
-            extra.append(qtLib.lower())
-        elif gfxSys != 'default':
-            extra.append(gfxSys)
+            env = dict(os.environ, PYQTGRAPH_QT_LIB=qtLib)
 
         if edited:
             path = os.path.abspath(os.path.dirname(__file__))
-            proc = subprocess.Popen([sys.executable, '-'] + extra, stdin=subprocess.PIPE, cwd=path)
+            proc = subprocess.Popen([sys.executable, '-'], stdin=subprocess.PIPE, cwd=path, env=env)
             code = str(self.ui.codeView.toPlainText()).encode('UTF-8')
             proc.stdin.write(code)
             proc.stdin.close()
@@ -364,9 +361,14 @@ class ExampleLoader(QtGui.QMainWindow):
             if fn is None:
                 return
             if sys.platform.startswith('win'):
-                os.spawnl(os.P_NOWAIT, sys.executable, '"'+sys.executable+'"', '"' + fn + '"', *extra)
+                args = [os.P_NOWAIT, sys.executable, '"'+sys.executable+'"', '"' + fn + '"']
             else:
-                os.spawnl(os.P_NOWAIT, sys.executable, sys.executable, fn, *extra)
+                args = [os.P_NOWAIT, sys.executable, sys.executable, fn]
+            if env is None:
+                os.spawnl(*args)
+            else:
+                args.append(env)
+                os.spawnle(*args)
 
     def showFile(self):
         fn = self.currentFile()
diff --git a/examples/VideoSpeedTest.py b/examples/VideoSpeedTest.py
index d7ae7ed7..ecae3b30 100644
--- a/examples/VideoSpeedTest.py
+++ b/examples/VideoSpeedTest.py
@@ -6,6 +6,9 @@ it is being scaled and/or converted by lookup table, and whether OpenGL
 is used by the view widget
 """
 
+## Add path to library (just for examples; you do not need this)
+import initExample
+
 import argparse
 import sys
 
diff --git a/examples/initExample.py b/examples/initExample.py
index 97f46108..9b868803 100644
--- a/examples/initExample.py
+++ b/examples/initExample.py
@@ -20,25 +20,8 @@ if not hasattr(sys, 'frozen'):
                 sys.path.remove(p)
                 sys.path.insert(0, p)
 
-## should force example to use PySide instead of PyQt
-for module in ['PyQt5', 'PySide2', 'PySide6', 'PyQt6']:
-    if module.lower() in sys.argv:
-        QtGui = importlib.import_module(module + '.QtGui')
-        break
-else:
-    from pyqtgraph.Qt import QtGui
-
 import pyqtgraph as pg    
-    
-## Force use of a specific graphics system
-use_gs = 'default'
-for gs in ['raster', 'native', 'opengl']:
-    if gs in sys.argv:
-        use_gs = gs
-        QtGui.QApplication.setGraphicsSystem(gs)
-        break
-
-print("Using %s (%s graphics system)" % (pg.Qt.QT_LIB, use_gs))
+print("Using", pg.Qt.QT_LIB)
 
 ## Enable fault handling to give more helpful error messages on crash. 
 ## Only available in python 3.3+