Internet at home has slowed down alot within the last 3 weeks.?

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Internet at home has slowed down alot within the last 3 weeks.

We are at 3mbps Download and like .5mbps upload. So i think

3mbps is quite slow, that something is happening to cause it to

be weak. We have frontier, westell 7500 dsl modem/ router.

Router/ modem has no security what so ever, could someone have

caused it to slow down?


Takes forever to load a webpage. Or do anything in that matter.

3 weeks ago my computer crashed, it blue screened. Had to put

new ram in it. It now works. After that internet seem to take a

dump. And hasnt been the same since then. Could something on my

computer cause wifi to slow down?

So we live on a hill and we dont have any close neighbors and

im trying to convience my dad to put a ((wep key) or some other

security) on the wifi to protect it, but he doesnt want to

cause, if somone wanted to hack our wifi they would have to sit

in our drive way to do it. And doesnt want to remember the

password. But isnt some sort of protection better than nothing?


Can out dated firmware on modem/ router cause internet/ wifi to

slow down?
Could one of my out dated drivers on my computer

cause wifi to slow down?
What could cause the wifi/ internet to drastically decrease in

speed?

Can i get some help please?