#71: Dell Studio XPS wireless failure
Solved!
On the Dell Studio XPS laptop, the WiFi / wireless Internet mysteriously deactivates. All drivers report normal, and the trouble diagnostic reports that "wireless capability is turned off on this computer" and "Turn on wireless capability" to restore functionality...
#61: MacBook Pro network access slow on battery in 10.5.8
Solved!
After upgrading to Mac OS X 10.5.8 on the MacBook Pro 15 in (early 2008), my wireless network speed plunges when on battery power, compared with adapter power. Ping to the nearest network router on AirPort Extreme should be ~1ms (and is when on adapter power...

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