How it works
A driver translates the operating system's requests into instructions a device understands. Graphics, printers, network adapters and storage controllers use different drivers; installing an unrelated package cannot repair their connection. Some devices work with a standard driver supplied by the operating system, while others need manufacturer software to expose particular features. The application used to control a device is not always the driver itself.
A problem appearing immediately after an update can be a compatibility regression, but timing alone does not prove that. Record the affected device, driver version and exact symptom. A printer that cannot be reached over the network needs a different investigation from a printer whose extra paper trays are missing in its settings. Changing several drivers together makes the original cause harder to identify.
Practical checks
Prefer the computer or component manufacturer's support page and supported operating-system updates. Check the exact model and operating-system version before installation. Preserve a working network connection and a recovery option when changing critical drivers. If a previous version worked, a supported rollback can help compare behaviour. Avoid unknown driver-download utilities and treat warning codes as diagnostic clues rather than automatic proof of failed hardware.