The ideas you give us are your own and are not confidential.
You’re giving your ideas freely for us to use so we can improve our offerings to you. This area is for ideas – improving our products or suggesting entirely new products – please keep technical support issues on the other boards designated for that purpose. Additional terms governing the Ideation Program are included in the Ideation Terms and may be found here. Ideation sections have been created for customers to engage with us by discussing and promoting ideas and improvements relating to Lenovo’s products and services.Īs a reminder, your participation in Ideation is governed by Lenovo’s website Terms of Use and by Lenovo’s Forums Community Guidelines. Lenovo Smart Tablets with Google Assistant. Lenovo Link App, Smart Home Essentials and Smart Frame. Lenovo Smart Display & Lenovo Smart Clock with Google Assistant. Windows 8.1, 8, 7, Vista and XP Discussions. Pre-Installed Lenovo Software and Applications. VR Classroom Software, Content, and Educator Resources. External Displays, Options and Accessories. 
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Lenovo Beacon, Stick 300, D, J and S Series Desktops. Lenovo Android based Tablets and Phablets. Y Gaming Accessories & Curved Gaming Monitors. Mirage AR Hardware – Technical Questions. Lenovo C, E, K, M, N and V Series Notebooks. Lenovo IdeaPad 1xx, 3xx, 5xx & 7xx, Edge, LaVie Z, Flex Notebooks. ThinkPad T61 and prior T series plus Other Legacy ThinkPads. ThinkPad: 11e (Windows), 13, E and Edge series Laptops. ThinkPad: S Series, ThinkPad Yoga and Twist Laptops. ThinkPad: X Series Tablet and Helix Laptops. ThinkPad: P and W Series Mobile Workstations. ThinkPad: T400 / T500 and newer T series Laptops. Recently Released Critical Drivers - Read Only. Recently Released Service Tips - Read Only. However, even with HDR enabled, the dimming/brightening of the screen is significantly less pronounced after applying the above regedit fix. I just switched both keys ACUserPreferencePolicy and DCUserPreferencePolicy to 0 under Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\\0000, rebooted my computer, and voila, no more weird automatic brightness changing! In order for there to be absolutely no brightness changing when images are switched, also disable HDR in the Windows display settings. Intel for some reason doesn't give you the option to switch off automatic brightness adjustment in the Graphics Command Center on AC power. T his fix actually worked when nothing else did. You have to edit two simple registry entries on Windows. I solved it thanks to a post on SuperUser for good. I have a Lenovo S740-15IRH and I also experienced a weird auto-brightness adjustment when switching between dark and light images on screen that was very annoying.
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