Microsoft Windows Vista Ultimate Edition "flush cache" Questions

...it could be that someone is blocking the domain name 'facebook.com'.... the rest of the website is hosted on somewhere like 'fbstk.net' or something like that... so may be an idea to flush DNS

First try flushing your DNS file aka Hosts file. You do this through a cmd prompt. To open a cmd, go to start and type in cmd and hit enter. In Vista you just type in cmd in to the search bar in the ...

...Cache. As an example "Google Chrome has it under Options -> Under the Hood -> Clear Browsing Data. Its better if you can disable Local Caching. I recommend to do this in Safemode. Use F8 after ...

...cache: Click Start, click Run, type cmd, and then click OK. At the command prompt, type ipconfig /flushdns, and then press ENTER. This command flushes all the DNS entries that have been cached. ...

...to configure the DNS server. You do not need to configure ISP's PTR records. Instead define their DNS addresses as forwarders in the properties of DNS server under forwarders tab and flush DNS

Facebook not loading on any browser on pc in network, all others are fine that have vista, 7, IOS, and droid. I've cleared caches, history, cookies, changed to no proxy, rebooted the modem/router, the