Intel HD Graphics (typically for Core i3/i5 processors) from the Intel Download Center.
Let me know in the comments if you need the matched to a driver file. I can help you find the legacy Realtek or Atheros package still hosted on a safe OEM site like HP or Dell (which often uses the same parts).
Alternatively, use – a portable, open-source tool that includes verified drivers for legacy hardware. Choose the “Index” version for offline use. Sony Vaio Pcg-71811w Drivers For Windows 7 64 Bit
For essential hardware, Microsoft's Windows Update can often automatically detect and install basic functional drivers for the chipset and display.
After installation, open . All items should have no yellow exclamation marks, especially: Intel HD Graphics (typically for Core i3/i5 processors)
Finding the correct is challenging but far from impossible. Focus on the Intel HM65 chipset, Intel HD Graphics 3000, Atheros Wi-Fi, and Realtek audio. Prioritize the chipset driver first, then graphics, then Sony utilities for hotkeys.
If you have downloaded a driver package (.exe) from a third-party archive: Drivers and Software updates for Personal Computers - Sony Alternatively, use – a portable, open-source tool that
Avoid “driver updater” software like Driver Booster, DriverPack Solution, or any pop-ups asking for payment. They often bundle adware or outdated/corrupt drivers for legacy hardware.