Knowledge Point Analysis:
Different models of the computer, the BIOS setup inside the dual graphics card mode of the interface, operating mode, may be slightly different, but very similar. Several common ways are listed below. If you do not find the desired model in the following list of models, please find a similar reference operation.
Operation Steps:
Summary
1. IdeaPad y480/s300/s400/s405/z400/z500
2. IdeaPad y460a/y560a/v360a/v460a/u460a
3. Lenovo b480a/b580a/v480a/v580a/b490a/b590a/v490a/v490u/m490/m495, Zhaoyang k49a/e49a/k4350a,thinkpad
4. IdeaPad z370/z470/z570
5. IdeaPad z475/z575
6. IdeaPad Z380/z480/z580/u310/u410,lenovo g480a/v370a/v470a/v570a
After the boot, in the display of Lenovo Screen press F2 key (some models are F1), into the BIOS setup.
1. IdeaPad y480/s300/s400/s405/z400/z500:
Select "Configuration", "Graphic Device" in turn, with two options: Switchable graphics indicates a switchable video mode; UMA graphics represents the set-display mode. After the selection is good, press F10 and save exit according to the prompts.
2. IdeaPad y460a/y560a/v360a/v460a/u460a:
Select "Configuration" and "Graphic Device" in turn, with two options: Switchable graphics indicates a switchable video mode; discrete graphics represents a single display mode
。 After the selection is good, press F10 and save exit according to the prompts.
3. Lenovo b480a/b580a/v480a/v580a/b490a/b590a/v490a/v490u/m490/m495, Zhaoyang k49a/e49a/k4350a,thinkpad notebook computer
1 Select "Config" and "Display" in turn.
2 First make sure that the option "OS Detection for switchable graphics" is "enabled".
3 then see "Graphic Device", which has two options: Switchable graphics represents a switchable video mode; integrated graphics represents the set-display mode. After the selection is good, press F10 and save exit according to the prompts.
4. IdeaPad z370/z470/z570
Select "Configuration", "Optimus dgpu Device" in turn, with two options: Optimus Graphics indicates a switchable video mode; UMA Graphics only represents the set explicit mode. After the selection is good, press F10 and save exit according to the prompts.
Select "Configuration" and "Graphic Device" in turn, which has two options: dynamic means that the video card mode can be switched;
UMA only represents the set explicit mode. After the selection is good, press F10 and save exit according to the prompts.
6. IdeaPad Z380/z480/z580/u310/u410,lenovo g480a/v370a/v470a/v570a
Select "Configuration", "Graphic Device" in turn, which has two options: Optimus represents a switchable graphics mode;
UMA only represents the set explicit mode. After the selection is good, press F10 and save exit according to the prompts.
