Wireless network connectivity problem with my new iMac

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At home we have a wireless network. Our ISP is AOL (yes, I know, I want to change but my dad wont) and our router is a D-Link DL-604+. The wireless network was set up approx 18 months to two years ago, when there were only two PCs in the house. My dad has recently got a new PC, and I have just got a new Mac. Shortly after we got the wireless network set up my dad also bought himself a Toshiba laptop. That is when the problems started.

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:15 (nineteen years ago)

On my old PC I had no problem doing anything on the net – downloading, uploading, file transfers, accessing any sites I wanted. Likewise my dad on his desktop. However, his laptop wouldn’t access some sites – Barclays and Gmail being the most troublesome two, as my dad does his banking online and Gmail is my mail server. This wasn’t a problem particularly as a; I never used the laptop cos laptops are fucking horrible, and b; my dad could do his banking on his desktop.

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:15 (nineteen years ago)

When Matt was down he tried to get into the router to change the settings, assuming that was what was preventing online banking and the other things working. But he couldn’t. Matt runs internal communications for a big company – he knows his shit (jammy bastard never even finished his degree either). We tried using default passwords for the brand of router, but it’s been changed. We tried a couple of other things to no avail. My dad has no record of what the spotty git who he hired to set up the network changed it to. Why did he hire a spotty git anyway?!

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:16 (nineteen years ago)

Ebay does not load - message is “Safari can’t open the page “http://www.ebay.co.uk/” because your computer isn’t connected to the Internet”. And yet AT THE SAME TIME I am browsing www.ilxor.com or this forum, for instance. www.myspace.com also will not load - doubtless there are lots of others - www.barclays.co.uk works, but the connection hangs when I attempt to log in to online banking through the link on that page
I cannot check for software updates - the computer claims to not be able to connect to the internet, yet running network diagnostics claims the internet is working correctly - it says “network change has occurred” but does not tell me what, and then says the connection is working

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:16 (nineteen years ago)

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:17 (nineteen years ago)

I cannot check for software updates - the computer claims to not be able to connect to the internet, yet running network diagnostics claims the internet is working correctly - it says “network change has occurred” but does not tell me what, and then says the connection is working

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:18 (nineteen years ago)

I cannot send files via instant messenger programs
I cannot send emails (most of the time - I have sent a couple, but only very short ones)
I cannot make large posts to online forums - more than a couple of dozen words causes the page to hang - I’m a naturally verbose git, this is annoying
I have downloaded programs and widgets from the internet without any problem
I have been sent music and image files via instant messenger programs without any problem

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:18 (nineteen years ago)

At Stylus we load stuff into templates from a .php page - I cannot post from the template forms to the actual site - i.e. I cannot send information outbound over the net.
This outbound connectivity problem is the consistent theme - email, forums, our site templates, instant messenger file transfer
WHAT IS GOING ON???!!!

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:19 (nineteen years ago)

I've had to post this in 8 bits because it simply would not all go at once.

I am tempted to destroy all computers everywhere with a hammer.

― Sick Mouthy (Nick Southall), Sunday, 5 February 2006 00:20 (nineteen years ago)

The router should have a way of reseting the firmware. Look in the manual, poke around the support website. This will reset the password so you can go about fixing anything weird with that.

Given that the problems are on both computers, I'm guessing the router is the broken thing.

― Rhodia (Rhodia), Sunday, 5 February 2006 01:43 (nineteen years ago)

Also, if the router has ethernet ports you can plug into, try plugging one of the computers into that. See if that's any better. You'll need to do this anyway if the procedure for reseting the firmware is "upload new firmware", instead of holding some little button or something.

― Rhodia (Rhodia), Sunday, 5 February 2006 01:45 (nineteen years ago)

Yeah it sounds like maybe the router's gone doolally and is blocking things you dont want it to, or the firewall on it's just plain-out become screwy. Have you tried connecting one of the PCs directly to the dialup/dsl connection you're using to see what happens? (ie direct connection, no routing?)

― Trayce (trayce), Sunday, 5 February 2006 01:47 (nineteen years ago)

Hmm, have you tried altering your MTU settings? It could be the router is configered for a higher MTU than is appropriate for your DSL connection. Maybe.

Here's a page for how to set the MTU on your Mac (set it for about 1400 and see if that makes a difference)

― carson dial (carson dial), Sunday, 5 February 2006 12:41 (nineteen years ago)

probably best to phone aol...my colleague had this problem (ebay refusing to load whilst other sites working) and it was simply a matter of being talked through changing a setting.

― Bob Six (bobbysix), Sunday, 5 February 2006 12:49 (nineteen years ago)

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