Hello YourLips, thanks for joining the Intel Community.
Could you please attach the DX Diag report from your system? (Start -> Run -> dxdiag -> Save All Information).
We always recommend customers to download and install the drivers provided by the system manufacture, in your case from Lenovo, since our drivers are generic drivers and sometimes these cannot be installed on other systems or the installation of them could overwrite their customizations and possibly change the functionality of the graphics.
It is also important to check if CATIA V5R21 is compatible with Windows 8.1.
The latest Graphics driver available from our side is version 4061
You can also try installing the previous version 3958 and check the behavior of the system https://downloadcenter.intel.com/download/24329/Intel-HD-Graphics-Driver-for-Windows-7-8-8-1-64-bit