|Dell VOSTR I5 PC, Windows 7, connected to a Sky Router. When I power up the PC and load Internet Explorer, I occasionally get the error message: "Windows could not find a driver for your network adapter." By powering down the PC and re-booting, the channel light on the Router lights up and the connection is established and I'm up and running. If I sign off the internet and leave the PC running, I can come back to find that the channel light on the router is still lit up, but I cannot get online. By powering down the PC and re-booting, the link to the Router is re-established and I'm able to go online again.|
The fact that I can get online implies that the PC comms card, wiring link and Router hardware is OK and that a driver for my network exists, so what could be causing this intermittent failure?