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To find out which version you own, look at the packaging, the original driver CD, or use the device hardware ID in Windows Device Manager. 1. Realtek RTL8187L Version
Find the "Unknown Device" or "Wireless Adapter," right-click it, and select .
Select the .zip or .exe file compatible with your system version (32-bit or 64-bit).
Extract your driver files to a dedicated folder on your desktop.
Avoid sketchy “driver downloader” sites. Use only the following verified sources:
Open , right-click your Ralink/Realtek network adapter, and click Properties . Navigate to the Advanced tab.
Leo followed the digital breadcrumbs to a generic hardware repository. He clicked the download button for the "New" Windows 7 compatible Ralink driver, holding his breath as the progress bar crawled across the screen.
(Newer/Primary): Supports speeds up to or 300Mbps (802.11n). Realtek 8187L (Legacy): Supports up to 54Mbps (802.11g). 2. Download Sources for Windows 7