to get a better idea of where the issue lies, you'll need more testing. for example, does this issue happen to anyone else? have you tried a different wireless card? maybe uninstall the adapter in device manager and let windows rediscover it? this will usually fix quarky issues.
JorgeM
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We have a similar setup at my place of work. Sometimes, network access points and/or routers have problems. We had such a situation today at work, very similar to what you are experiencing. So, contact the university IT help desk (you have a contact for them, right?) and let them know what is happening. No squeek, no oil...
rubberman
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