Methods: Right-click on the desktop to see if there are "Configuring Interchangeable Graphics Card" and "Graphics Card Properties". If so, you can switch between the two display cards by clicking. The graphics card can be switched between "high performance GPU" and "power saving GPU", in which the high performance GPU is an independent graphics card and the power saving GPU is an integrated graphics card.
2. Please recall whether the graphics card cannot be switched after special operations (such as reinstalling the system or installing optimization software).
3. If you still can't switch, this may be a problem with the graphics card driver.
(1) If XP system is installed, the notebook with dual graphics cards cannot use the discrete graphics card under XP, so the graphics card cannot be switched.
(2) If you are using WIN7 system, you can try to install the following ATI graphics card drivers: (for WIN7 32-bit and 64-bit systems)
FTP://FTP . HP . com/pub/soft paq/sp 5900 1-59500/sp 59039 . exe