Sony VPCF1290S notebook Marvell Atheros AR9287 Wireless Network Adapter Driver v.9.0.0.125 for Windows 7 64-bit
This utility installs the originally shipped version of the Marvell Atheros AR9287 Wireless Network Adapter driver.
This driver also resolves the yellow exclamation point error that may appear in Device Manager next to "Network Controller" which indicates that a driver is not installed for that device.
download link
ftp://download.sony.com/CA/pc/MRDWLL-00221597-0042.EXE
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