Sony Pcg31311l Drivers ~upd~ -

The PCG31311L typically uses integrated Intel HD Graphics 4000. If your model includes a switchable AMD Radeon GPU, you need both.

If you go to Device Manager and see "Unknown Device" or yellow exclamation marks: sony pcg31311l drivers

Need a specific driver file? Search for “Sony Vaio VPCEH series drivers archive.org” – many users have uploaded full recovery discs. The PCG31311L typically uses integrated Intel HD Graphics

To restore on a fresh Windows install: