Unsolved
1 Rookie
•
1 Message
•
2 Points
0
30
October 15th, 2025 12:43
Vostro 3420, display brightness no changing
display brightness not changing and power saving option not working
<Warranty expired January 2025. Moved thread out of Inspiron Desktops and into Vostro Laptops. DELL-Admin>
No Events found!


user_df36b5
1 Rookie
•
2 Posts
•
2 Points
0
February 23rd, 2026 15:15
On the Dell Vostro 3420, brightness not changing is usually fixed by reinstalling/updating the Intel graphics driver from Dell Support and then restarting.