why will a computer go online with one hookup but not another if other computers go online both places?
436770
most likely the Internet connection is configured to your service tech's IP address and not for your IP address, if the ip addresses don't match you won't be able to connect.\n\ngo to start, run, type winipcfg, do release all, do refresh all, and if there is a drop down box do release all and refresh all on the other as well.  if this don't work, contact your isp and have them talk you through the configuring
1012395
maybe it is because their main server is down or repair or improvement \n\nor\n\nyour computer and internet gateway doesn't want to cooperate, which actually happens quite a lot
877708
To start off with.  Are we 100% sure that these devices are routers, and not switches.  8 port routers are not uncommon, but not as common as 8 port switchs. \nIf it were a switch, and only one computer was grabing the ip address from the modem, that would explain why only one computer could get online at a time.  I have seen switchs work with two computers for a short time before.  Afterwards, you will get a message, "Limited or no connectivity"  at the bottom of the screen.  Also, if anything has changed, that would be helpful to know.  Did you just switch from Cable internet to DSL?  Or did you change out the DSL modem?  If the DSL modem was changed out, and not put in what is called bridgemode, this problem may not come up as an issue until all 3 computers are actually on and trying to access the Internet.  (Putting the modem in bridge mode tells the Router it is in charge of establishing the credential info w/ ISP, not the modem.  If modem is in charge of this, it may only have the ability to handle one computer on the Lan side of the network.)\n\nLet's start off and assume that you do have routers.  Here are some things to check:\n1.  is the router plugged into a Uninteruptible Power Supply? (I have seen many drop off and connection issues solved with this little piece of heaven.  I know you are sceptical about purchasing new hardware, but this should be a pre-requisit for all devices that have any kind of value.)\n\n2. If you are cabable I would read the instructions for your router, and reset it back to factory settings.  You may want to write down the existing settings before you do this.  (if it is connected to DSL, your username and password, Cable, if it is a static or DHCP wan address etc. etc.)  Once back up and running, download the latest firmware from the manufacturer.  This would require Internet activity.  \n\n3.  As was stated earlier,  let's connect each computer directly to the back of the modem and check for connectivity.  (If the modem was previously set to be in Bridge mode, you will have to change it to be in charge of handling the logon creditials.  This usual setting is PPPOE)\nOnce the computer is connected to the modem, you need to power cycle the components so that they grab new IP addresses from each other.  Power off Modem and computer,  plug modem in first, let all lights quit blinking then power on computer.  If computer is unable to connect, it could be modem issue.  But let's not rule out other things.\n    a.  Check the network settings on the computer.  Right mouse click on My Network Places and go to Properties.  From there right mouse click on the Lan Properties and go to properties there.  Click on TCP/IP and hit the Properties button there.  Check to make sure the adaper is set to obtain IP address automatically.  And the DNS the same.\n\n4.  If all computers are set to obtain an IP automatically as described in step 3-a.  and they are hooked up the a factory default router, with known good cables, they should be able to at least ping each other.  Disable all Norton Internet Security, and Macafee Internet Security and Zone Alarm (Some of these actually block ICMP request so we wouldn't be able to ping the computers)  Go to computer 1 .  Start --> Run. type  CMD and hit  enter. type "ipconfig /all"  leave off quotes  write down the ip address that it assigns you.  If you have the Linksys router setup, and it is set to default factory settings, it will probably assign you an address of 192.18.1.100 or close.  Go to another computer.  Start --> Run  type "cmd" and hit enter.  type "ping 192.168.1.100" or what ever number that was listed.  if you get a reply, that means you are able to pass traffic through the router to the other computer.  if you get request timed out that means you are not able to connect.  \n\n5.  If after reseting the router to factory settings you are unable to ping the other computers on the network, but
643247
First you need to make sure that both PCs are in the same workgroup. once you confirm that then make sure the Firewall is not blocking the Traffic on the XP side. I used to have this problem until I added the Computer name as part of my trusted PC in the Firewall.
851959
If you want to connect 2 computers, you'll need a router.\n\nIf it's a single computer, call Yahoo/SBC support for help.
560545
I'm sorry, but are you talking about a forum on another site?  If such a thing happens on both computer it's probably the site's problem.
605231
If they both have Ethernet RJ-45 jacks (network cards installed) then all you have to do is get a pier-to-pier cable and plug them both in.  No other hardware is required. \n\nThis cable is special in that the transmit and receive wires are switched on one end, so what one computer transmits, the other one receives, and vice versa. \n\nPlug them in and run the network setup wizard - you'll be in business.
646964
discofro, my dad asked me to try this with his connection. We had two computers, each with an ADSL modem conecting to the master socket via a two way gang plug. It was a BT line and AOL broadband. The answer, unfortunatly, is ONE. Once one is connected, the other will not connect no mater how hard you try. Your conenction and setup may wield diffrent results however.
105509
firstly u must have two ethernet card or an usb and an ethernet card.\n\nMake a cross cable. Connect it to the both pcs.\n\nNow go on first computer, there are two connections shows.\nGo on that connection, which is ur dsl connection > right click > properties > advanced > check internet connection sharing box. but first u check that the ur second syatem ip must be automatic.\nAnd ur both computer must be in same workgroup.\n\nTo see workgroup : My computer > computer name > change.\nTo see ethernet card : Start > control panel > network connections.\n\nIf ur dsl connection hang with ur usb port, then u must have one ethernet card, otherwise it needs two.\n\n\nGood luck!!!!!!!!!!!\nIf any problem, please mail me on kamaljeet111@yahoo.com
1021920
If your using AOL broadband, just set the router up normally, then sign on each computer with a different name, that simple :)
806117
Check the IP added to the 2nd computer, is it on the same net, also what is the gateway IP? is that loaded on the 2nd computer?
168014
Probably some connection pooling happening somewhere. Don't worry about it, it'll get dropped or reused if required.
972105
Thats because you're using a dial-up or DSL connection. Each time you will get a different IP address. Because the IP is dynamic in this case
124362
If you are using a LAN based internet Connection, then there is definately there is a problem with connection, ask your network operator for a solution.
438362
I think that your are correct in thinking that everything is fine. Especially if both of you can get on the Internet.\n\nIF your ADSL modem is also acting as a router (which I guessing it does), \nAND both you and your sister's computers have DHCP enabled* \nTHEN everything is configured for you automatically!\n\nIn fact, you can connect more computers to your new switch and they will be configured automatically for the Internet as well.\n\n* Note: DCHP is what allows your computers to be automattically configured by your router. Windows 2000, XP and recent verions of the Mac OS have this installed as a standard option.
1704
When you use an Ethernet cable to connect your computer to a hub, switch or router, you use what's called an MDI (straight through) cable.\n\nIn order to connect one computer to another directly, you must use an Ehternet cable with a different pinout called an MDI-X (cross over) cable.\n\nThe reason for this is because your computer is a "terminal" device.  It transmits data on a specific wire and expects to receive data on a specific other wire.  Then you connect it to a "host" device and it expects same thing, but on the opposite wires.\n\nFor more information, see the article on Ehternet on howstuffworks.com\n\nhttp://computer.howstuffworks.com/ethernet.htm
792667
heh, your router is giving out dynamic addresses.\n\nA very simple fix would be always to start one computer before the other, or, a more permanent solution would be to assign your computer a fixed address. You could also have your router assign a fixed address to a computer based on the MAC address of that computer. Both of the latter solutions will require a bit of manual reading if you're unfamiliar with them.