Default gateway not available - but only on my Windows 7 laptop
Starting to regret getting into computers, but...
I have three computers in my house as well as a blu ray player that is WiFi compatible. Two are recent purchases/replacements and are running Windows 8.1, They seem to have no problem at all staying connected to the DSL modem - which is also a fairly new development after Time Warner did another rate increase in our area without an increase in service or reliability. A brand new (less than a month old) blu ray player is also currently playing Pandora as I'm surfing the internet on my old Dell laptop with Windows 7.
About every 10 minutes, the laptop loses the internet connection. I run the troubleshooter and get the "default gateway is not available", then it goes through and resets the Wifi adapter and I'm back up and running - for about the next 10 minutes or so, when we have to do it again.
Now, I work with computer geeks, who have suggested a possible virus (as I accidentally added AVG Toolbar not too long ago when getting a message in the middle of an intense scene I was writing that "the flash player needs an update" and the link brought me to a page that looked enough like Adobe to fool me). I've downloaded and run all the programs they've suggested even though I already had Norton 360, SuperAntiSpyware, and CC Cleaner installed. The AVG has been removed and the DSL company reset the modem to make sure that it wasn't bothering anything on their end, but still...
About every 10 minutes, I'm resetting the "gateway", but in the background, Pandora is still playing, my husband is using his laptop with no interruptions, and I can go up onto the desktop in my office and surf for hours without ever losing the connection. Because the other WiFi connected computers/gadgets aren't being interrupted (which does happen if the phone rings and knocks out the connection, but otherwise), the common feeling is that it isn't anything that the WiFi is causing, so I'm being encouraged to NOT replace the WiFi router.
But why would this only be doing this with the Windows 7? I've actually even done a "restore to factory" and brought my files back via backup on the off chance that the default internet settings had been reset by AVG.
The current debate is whether this problem means that I should replace my Dell Inspiron 1545, as it's "ancient" by today's standards, or whether I would be as well served by just upgrading to Windows 8.1. Since the four techs I work with are evenly divided as to which direction I should spend money, let's hear YOUR two cents worth. Perhaps there's even someone who has experienced a similar phenomenon here, as the techies don't seem to have heard of this one before...
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