Help please: Sudden low signal wifi issue
I have a Linksys router and am running Windows Vista on an HP laptop--it is about 4 years old. My second floor 1500 ft condo unit always had great wifi in every room, but suddenly the signal is very weak or even absent for a few minutes at a time. Nothing has changed with the router position, etc. What's strange is that I have very strong wifi bars for my upper and lower condo neighbors as well as my next door neighbors--it is only me that has the weak signal! Again, this came on suddenly a few day's ago. Is this a Comcast problem, a router problem, a computer problem? Any solutions? Thanks so much--and be gentle as I am a novice at these issues.