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Lenovo often used proprietary front-panel audio pinouts and ACPI power management tables. Generic reference drivers from Intel may work, but for full stability (especially sleep/hibernate), Lenovo’s custom-tuned drivers are superior.
If you search for "lenovo g31tlm motherboard drivers full" on Google, the first 10 results are likely fake "driver update" software.
Install the Intel GMA driver to fix display issues.
Even with the correct drivers, you may encounter problems. Here is how to fix them:
