In both cases, the firmware update driver package must be universal.įor more info about universal drivers, see Getting started with Windows drivers. If your device uses a Microsoft-supplied driver, you must provide a separate firmware update driver package. If your device uses a vendor-supplied driver, you have the option of adding the firmware update logic and payload to your existing function driver, or providing a separate firmware update driver package. To do this, you'll provide an update mechanism, implemented as a device driver that includes the firmware payload. For information about updating system firmware, see Windows UEFI firmware update platform.
This article describes how to update a removable or in-chassis device's firmware using the Windows Update (WU) service.
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