You appear to have a Lenovo G50-30 laptop. The driver can be found at Laptops and netbooks :: Lenovo G Series laptops :: G50 30 Notebook Lenovo - Lenovo Support (US)
Direct link: Laptops and netbooks :: Lenovo G Series laptops :: G50 30 Notebook Lenovo - Lenovo Support (US)
This laptop has the Intel Celeron N2830 processor with Intel HD Graphics: ARK | Intel® Celeron® Processor N2830 (1M Cache, up to 2.41 GHz)
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