Most "1200M" or "AC1200" adapters use a or similar chipset. To be sure: Open Device Manager (right-click 'Computer' > Manage).
Yes, almost all AZ 1200M adapters support Windows 7 64-bit, provided you have SP1 and the correct Realtek or MediaTek driver.
When you purchased your AZ 1200m adapter, it likely came with a mini CD-ROM. For modern computers, this is often useless as many cases no longer include disc drives. If you do not have a disc drive, you must source the driver digitally.
Before diving into the download, it’s important to understand the problem:
Look for VID_0BDA&PID_B812 (this confirms it's a Realtek 8812BU chipset). 2. Recommended Driver Downloads
: Once the installation is finished, restart your PC to ensure the new network stack initializes correctly. Method B: Manual Installation via Device Manager

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