diff --git a/AdaptiveBrightness/main_window.cpp b/AdaptiveBrightness/main_window.cpp
index 30c4521..8277944 100644
--- a/AdaptiveBrightness/main_window.cpp
+++ b/AdaptiveBrightness/main_window.cpp
@@ -87,6 +87,17 @@ void MainWindow::loadIcons()
 
 void MainWindow::setupMonitorsTab()
 {
+    m_ui.monitorBrightnessSlider->setDisabled(true);
+    m_ui.monitorOverallBrightnessSlider->setDisabled(true);
+
+    m_ui.monitorOverrideCheck->setChecked(false);
+    connect(m_ui.monitorOverrideCheck, &QCheckBox::stateChanged,
+            [this](int state) { m_ui.monitorBrightnessSlider->setEnabled(state == Qt::CheckState::Checked); });
+
+    m_ui.monitorOverallOverrideCheck->setChecked(false);
+    connect(m_ui.monitorOverallOverrideCheck, &QCheckBox::stateChanged,
+            [this](int state) { m_ui.monitorOverallBrightnessSlider->setEnabled(state == Qt::CheckState::Checked); });
+
     connect(m_ui.monitorBrightnessSlider, &QSlider::valueChanged, [this](int value) {
         const auto mappedBrightness = utils::map(value, 0, 100, 0.f, 1.f);
         const auto newBrightness = std::clamp(mappedBrightness, 0.f, 1.f);