If the US site is down, the UK or Asian mirrors often host the same r12943mj2r5370 files.
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Find the provided on the manufacturer's official driver page. If the US site is down, the UK
Accept the license agreement and select "Network Connection" or "USB" depending on how your device is connected. If the US site is down
Always restart your system after installation to ensure the new firmware is loaded into the kernel. Safe Downloading Tips