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Strange Network ProblemIn my home network (wired) I have 2 computers that get limited or no
connectivity. If I plug in my laptop, everything is fine with the connection. If I move the computers from the 2 rooms to another room, they work. I thought it might be the wire, but since the laptop works I am not sure. Any suggestions? On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com>
wrote: >In my home network (wired) I have 2 computers that get limited or no Dave,>connectivity. If I plug in my laptop, everything is fine with the >connection. If I move the computers from the 2 rooms to another room, they >work. I thought it might be the wire, but since the laptop works I am not >sure. Any suggestions? 1) How many computers do you have? 2) Are the computers using Ethernet or WiFi? You say that the network is wired, then you say that if you plug the laptop in it's fine. How is it (supposedly) connected before it's plugged in? How about some history? Details about the network? <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html -- Cheers, Chuck, MS-MVP [Windows - Networking] http://nitecruzr.blogspot.com/ Paranoia is not a problem, when it's a normal response from experience. My email is AT DOT actual address pchuck mvps org. Chuck.
We have 5 computers. 3 are ethernet and two (including the laptop) is wireless. I am running a Linksys router (54G). The 4 desktops are in different rooms, 2 of which are giving me the problem. The laptop will run using the ethernet connection in all rooms. The 2 desktops will run in 2 rooms and not the other 2 rooms. This is a new problem as they have worked for over six months just fine. The message I get is limited or no connectivity. I can ping the router and other computers but can not get to the internet (broadband cable modem). Hope this helps. Show quoteHide quote "Chuck" wrote: > On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com> > wrote: > > >In my home network (wired) I have 2 computers that get limited or no > >connectivity. If I plug in my laptop, everything is fine with the > >connection. If I move the computers from the 2 rooms to another room, they > >work. I thought it might be the wire, but since the laptop works I am not > >sure. Any suggestions? > > Dave, > 1) How many computers do you have? > 2) Are the computers using Ethernet or WiFi? > > You say that the network is wired, then you say that if you plug the laptop in > it's fine. How is it (supposedly) connected before it's plugged in? > > How about some history? Details about the network? > <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> > http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html > > -- > Cheers, > Chuck, MS-MVP [Windows - Networking] > http://nitecruzr.blogspot.com/ > Paranoia is not a problem, when it's a normal response from experience. > My email is AT DOT > actual address pchuck mvps org. > On Sat, 29 Jul 2006 07:18:01 -0700, Dave A <Da***@discussions.microsoft.com>
wrote: Show quoteHide quote >"Chuck" wrote: That's a start, Dave. And since this might take a while, try and post after my> >> On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com> >> wrote: >> >> >In my home network (wired) I have 2 computers that get limited or no >> >connectivity. If I plug in my laptop, everything is fine with the >> >connection. If I move the computers from the 2 rooms to another room, they >> >work. I thought it might be the wire, but since the laptop works I am not >> >sure. Any suggestions? >> >> Dave, >> 1) How many computers do you have? >> 2) Are the computers using Ethernet or WiFi? >> >> You say that the network is wired, then you say that if you plug the laptop in >> it's fine. How is it (supposedly) connected before it's plugged in? >> >> How about some history? Details about the network? >> <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> >> http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html >Chuck. > >We have 5 computers. 3 are ethernet and two (including the laptop) is >wireless. I am running a Linksys router (54G). The 4 desktops are in >different rooms, 2 of which are giving me the problem. The laptop will run >using the ethernet connection in all rooms. The 2 desktops will run in 2 >rooms and not the other 2 rooms. This is a new problem as they have worked >for over six months just fine. > >The message I get is limited or no connectivity. I can ping the router and >other computers but can not get to the internet (broadband cable modem). > >Hope this helps. posts please. <http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting> http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting Does the laptop connect to the Internet too, when connected by Ethernet? Is it actually using the Ethernet - did you turn the radio off? Now ask yourself what's different about the 2 locations where you've tried the desktop computers? That's a total of 4 cables, 2 in one room, 2 in another? They all go to the same router? Did you try exchanging router ports? Try one of the other desktops in the problem room? What's different between the 2 desktop computers, and the laptop computer? Operating system, network hardware, drivers? What happened recently? Electrical problems maybe? It's summer - and thunderstorms have started. You're in Indiana? Any lightning recently? Brownouts? Blackouts? Any electrical differences between the rooms? UPS in use in either room? -- Cheers, Chuck, MS-MVP [Windows - Networking] http://nitecruzr.blogspot.com/ Paranoia is not a problem, when it's a normal response from experience. My email is AT DOT actual address pchuck mvps org.
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"Chuck" wrote: The laptop is connecting through the ethernet. I did not connect to the > On Sat, 29 Jul 2006 07:18:01 -0700, Dave A <Da***@discussions.microsoft.com> > wrote: > > >"Chuck" wrote: > > > >> On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com> > >> wrote: > >> > >> >In my home network (wired) I have 2 computers that get limited or no > >> >connectivity. If I plug in my laptop, everything is fine with the > >> >connection. If I move the computers from the 2 rooms to another room, they > >> >work. I thought it might be the wire, but since the laptop works I am not > >> >sure. Any suggestions? > >> > >> Dave, > >> 1) How many computers do you have? > >> 2) Are the computers using Ethernet or WiFi? > >> > >> You say that the network is wired, then you say that if you plug the laptop in > >> it's fine. How is it (supposedly) connected before it's plugged in? > >> > >> How about some history? Details about the network? > >> <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> > >> http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html > > >Chuck. > > > >We have 5 computers. 3 are ethernet and two (including the laptop) is > >wireless. I am running a Linksys router (54G). The 4 desktops are in > >different rooms, 2 of which are giving me the problem. The laptop will run > >using the ethernet connection in all rooms. The 2 desktops will run in 2 > >rooms and not the other 2 rooms. This is a new problem as they have worked > >for over six months just fine. > > > >The message I get is limited or no connectivity. I can ping the router and > >other computers but can not get to the internet (broadband cable modem). > > > >Hope this helps. > > That's a start, Dave. And since this might take a while, try and post after my > posts please. > <http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting> > http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting > > Does the laptop connect to the Internet too, when connected by Ethernet? Is it > actually using the Ethernet - did you turn the radio off? > > Now ask yourself what's different about the 2 locations where you've tried the > desktop computers? That's a total of 4 cables, 2 in one room, 2 in another? > They all go to the same router? Did you try exchanging router ports? Try one > of the other desktops in the problem room? > > What's different between the 2 desktop computers, and the laptop computer? > Operating system, network hardware, drivers? > > What happened recently? Electrical problems maybe? It's summer - and > thunderstorms have started. You're in Indiana? Any lightning recently? > Brownouts? Blackouts? Any electrical differences between the rooms? UPS in > use in either room? > > -- > Cheers, > Chuck, MS-MVP [Windows - Networking] > http://nitecruzr.blogspot.com/ > Paranoia is not a problem, when it's a normal response from experience. > My email is AT DOT > actual address pchuck mvps org. > Chuck, wireless. The 2 desktops run XP home and the laptop runs on XP Professional. All have SP2. I have tried 2 compltely different routers with the same results. You are correct that the computers are in 2 different rooms and the laptop is used in other locations either wired or wireless. We have had some thunderstorms but no power problems. Neither room have a UPS just on good surge protection. I have tried both desktops in each of the other rooms with the same results. They will not connect. I took the computers to a friends house and they connect right up? Everything I see points to the wiring, but I can't explain why the laptop will connect with the same wiring. Thanks for your help. Dave On Sun, 30 Jul 2006 07:59:02 -0700, Dave A <Da***@discussions.microsoft.com>
wrote: Show quoteHide quote > Dave,> >"Chuck" wrote: > >> On Sat, 29 Jul 2006 07:18:01 -0700, Dave A <Da***@discussions.microsoft.com> >> wrote: >> >> >"Chuck" wrote: >> > >> >> On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com> >> >> wrote: >> >> >> >> >In my home network (wired) I have 2 computers that get limited or no >> >> >connectivity. If I plug in my laptop, everything is fine with the >> >> >connection. If I move the computers from the 2 rooms to another room, they >> >> >work. I thought it might be the wire, but since the laptop works I am not >> >> >sure. Any suggestions? >> >> >> >> Dave, >> >> 1) How many computers do you have? >> >> 2) Are the computers using Ethernet or WiFi? >> >> >> >> You say that the network is wired, then you say that if you plug the laptop in >> >> it's fine. How is it (supposedly) connected before it's plugged in? >> >> >> >> How about some history? Details about the network? >> >> <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> >> >> http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html >> >> >Chuck. >> > >> >We have 5 computers. 3 are ethernet and two (including the laptop) is >> >wireless. I am running a Linksys router (54G). The 4 desktops are in >> >different rooms, 2 of which are giving me the problem. The laptop will run >> >using the ethernet connection in all rooms. The 2 desktops will run in 2 >> >rooms and not the other 2 rooms. This is a new problem as they have worked >> >for over six months just fine. >> > >> >The message I get is limited or no connectivity. I can ping the router and >> >other computers but can not get to the internet (broadband cable modem). >> > >> >Hope this helps. >> >> That's a start, Dave. And since this might take a while, try and post after my >> posts please. >> <http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting> >> http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting >> >> Does the laptop connect to the Internet too, when connected by Ethernet? Is it >> actually using the Ethernet - did you turn the radio off? >> >> Now ask yourself what's different about the 2 locations where you've tried the >> desktop computers? That's a total of 4 cables, 2 in one room, 2 in another? >> They all go to the same router? Did you try exchanging router ports? Try one >> of the other desktops in the problem room? >> >> What's different between the 2 desktop computers, and the laptop computer? >> Operating system, network hardware, drivers? >> >> What happened recently? Electrical problems maybe? It's summer - and >> thunderstorms have started. You're in Indiana? Any lightning recently? >> Brownouts? Blackouts? Any electrical differences between the rooms? UPS in >> use in either room? >> >> -- >> Cheers, >> Chuck, MS-MVP [Windows - Networking] >> http://nitecruzr.blogspot.com/ >> Paranoia is not a problem, when it's a normal response from experience. >> My email is AT DOT >> actual address pchuck mvps org. >> >Chuck, > >The laptop is connecting through the ethernet. I did not connect to the >wireless. > >The 2 desktops run XP home and the laptop runs on XP Professional. All have >SP2. > >I have tried 2 compltely different routers with the same results. You are >correct that the computers are in 2 different rooms and the laptop is used in >other locations either wired or wireless. > >We have had some thunderstorms but no power problems. Neither room have a >UPS just on good surge protection. > >I have tried both desktops in each of the other rooms with the same results. > They will not connect. I took the computers to a friends house and they >connect right up? > >Everything I see points to the wiring, but I can't explain why the laptop >will connect with the same wiring. > >Thanks for your help. > >Dave In cases like yours, where the symptoms don't make any sense, I try and explain the symptoms. The laptop is the odd symptom. How do you test the laptop, when you say that it connects with the problem wiring? Try and explain how the laptop connects. How do you know that the laptop is not connecting by WiFi? Do you turn the radio off? -- Cheers, Chuck, MS-MVP [Windows - Networking] http://nitecruzr.blogspot.com/ Paranoia is not a problem, when it's a normal response from experience. My email is AT DOT actual address pchuck mvps org.
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"Chuck" wrote: I have eliminated the wireless possibility by eliminating that from the > On Sun, 30 Jul 2006 07:59:02 -0700, Dave A <Da***@discussions.microsoft.com> > wrote: > > > > > > >"Chuck" wrote: > > > >> On Sat, 29 Jul 2006 07:18:01 -0700, Dave A <Da***@discussions.microsoft.com> > >> wrote: > >> > >> >"Chuck" wrote: > >> > > >> >> On Sat, 29 Jul 2006 05:50:01 -0700, Dave A <Da***@discussions.microsoft.com> > >> >> wrote: > >> >> > >> >> >In my home network (wired) I have 2 computers that get limited or no > >> >> >connectivity. If I plug in my laptop, everything is fine with the > >> >> >connection. If I move the computers from the 2 rooms to another room, they > >> >> >work. I thought it might be the wire, but since the laptop works I am not > >> >> >sure. Any suggestions? > >> >> > >> >> Dave, > >> >> 1) How many computers do you have? > >> >> 2) Are the computers using Ethernet or WiFi? > >> >> > >> >> You say that the network is wired, then you say that if you plug the laptop in > >> >> it's fine. How is it (supposedly) connected before it's plugged in? > >> >> > >> >> How about some history? Details about the network? > >> >> <http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html> > >> >> http://nitecruzr.blogspot.com/2005/06/background-information-useful-in.html > >> > >> >Chuck. > >> > > >> >We have 5 computers. 3 are ethernet and two (including the laptop) is > >> >wireless. I am running a Linksys router (54G). The 4 desktops are in > >> >different rooms, 2 of which are giving me the problem. The laptop will run > >> >using the ethernet connection in all rooms. The 2 desktops will run in 2 > >> >rooms and not the other 2 rooms. This is a new problem as they have worked > >> >for over six months just fine. > >> > > >> >The message I get is limited or no connectivity. I can ping the router and > >> >other computers but can not get to the internet (broadband cable modem). > >> > > >> >Hope this helps. > >> > >> That's a start, Dave. And since this might take a while, try and post after my > >> posts please. > >> <http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting> > >> http://nitecruzr.blogspot.com/2005/05/how-to-post-on-usenet-and-encourage.html#TopPosting > >> > >> Does the laptop connect to the Internet too, when connected by Ethernet? Is it > >> actually using the Ethernet - did you turn the radio off? > >> > >> Now ask yourself what's different about the 2 locations where you've tried the > >> desktop computers? That's a total of 4 cables, 2 in one room, 2 in another? > >> They all go to the same router? Did you try exchanging router ports? Try one > >> of the other desktops in the problem room? > >> > >> What's different between the 2 desktop computers, and the laptop computer? > >> Operating system, network hardware, drivers? > >> > >> What happened recently? Electrical problems maybe? It's summer - and > >> thunderstorms have started. You're in Indiana? Any lightning recently? > >> Brownouts? Blackouts? Any electrical differences between the rooms? UPS in > >> use in either room? > >> > >> -- > >> Cheers, > >> Chuck, MS-MVP [Windows - Networking] > >> http://nitecruzr.blogspot.com/ > >> Paranoia is not a problem, when it's a normal response from experience. > >> My email is AT DOT > >> actual address pchuck mvps org. > >> > >Chuck, > > > >The laptop is connecting through the ethernet. I did not connect to the > >wireless. > > > >The 2 desktops run XP home and the laptop runs on XP Professional. All have > >SP2. > > > >I have tried 2 compltely different routers with the same results. You are > >correct that the computers are in 2 different rooms and the laptop is used in > >other locations either wired or wireless. > > > >We have had some thunderstorms but no power problems. Neither room have a > >UPS just on good surge protection. > > > >I have tried both desktops in each of the other rooms with the same results. > > They will not connect. I took the computers to a friends house and they > >connect right up? > > > >Everything I see points to the wiring, but I can't explain why the laptop > >will connect with the same wiring. > > > >Thanks for your help. > > > >Dave > > Dave, > > In cases like yours, where the symptoms don't make any sense, I try and explain > the symptoms. The laptop is the odd symptom. > > How do you test the laptop, when you say that it connects with the problem > wiring? Try and explain how the laptop connects. How do you know that the > laptop is not connecting by WiFi? Do you turn the radio off? > > -- > Cheers, > Chuck, MS-MVP [Windows - Networking] > http://nitecruzr.blogspot.com/ > Paranoia is not a problem, when it's a normal response from experience. > My email is AT DOT > actual address pchuck mvps org. > Chuck: picture by using a straight wired 8 port switch. Same results. It connects at 100 mps in both rooms. Any other thoughts. Dave So many reasons for your symptoms. Your posts are so vague as to
what you did and did not do and change. Therefore it is difficult to almost impossible to provide a useful answer. For example, some cables can be wired backwards. Some ethernet interfaces will compensate accordingly. Others will not. You don't even list how each connection was made - 10 Mhz or 100 Mhz. You did not execute ethernet card diagnostics that echo data between two points - so that a ballpark signal to noise estimate is provided. Some computer and router ports will work at 10 Mhz but not at 100 Mhz. This due to transient damage in the router, or even due to cable miswired - the proper wire pairs not twisted together. For example, computer connects directly to router and works OK. Using that same ten foot ethernet cable, then does computer connect to router via the 'inside wall' cable to the exact same router port? Notice how details are posted to get a useful response here. You post a test. Then make only one change - add the 'cable inside wall' to the test circuit, and then test to the exact same router port. If you don't do that, they you massively confuse and drive away useful responders. You provide no clear indication that WiFi was disabled. In fact, some of your messages imply a WiFi connection is being made which you are confusing with ethernet. Does Network Connections specifically say 'Disabled' or only say 'Disconnected'. You must literally state so with the exact word quoted from Network Connections. As you can see, above demonstrates even why your laptop would work where other computers would not; with maybe four different reasons. Using information provided, one cannot even begin to guess which one would explain it. "They connected right up" is insufficient. At what speed did they connect right up? Using what cables (best that each cable has a label such as AA, BB, CC, DD, EE, etc and posted as to which cable was used)? Yes it gets that anal if you really want a final solution. Dave A wrote: Show quoteHide quote > The laptop is connecting through the ethernet. I did not connect to the > wireless. > > The 2 desktops run XP home and the laptop runs on XP Professional. All have > SP2. > > I have tried 2 compltely different routers with the same results. You are > correct that the computers are in 2 different rooms and the laptop is used in > other locations either wired or wireless. > > We have had some thunderstorms but no power problems. Neither room have a > UPS just on good surge protection. > > I have tried both desktops in each of the other rooms with the same results. > They will not connect. I took the computers to a friends house and they > connect right up? > > Everything I see points to the wiring, but I can't explain why the laptop > will connect with the same wiring.
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"w_tom" wrote: Maybe instead of telling all the things I did wrong, you could ask for more > So many reasons for your symptoms. Your posts are so vague as to > what you did and did not do and change. Therefore it is difficult to > almost impossible to provide a useful answer. > > For example, some cables can be wired backwards. Some ethernet > interfaces will compensate accordingly. Others will not. You don't > even list how each connection was made - 10 Mhz or 100 Mhz. You did > not execute ethernet card diagnostics that echo data between two points > - so that a ballpark signal to noise estimate is provided. Some > computer and router ports will work at 10 Mhz but not at 100 Mhz. This > due to transient damage in the router, or even due to cable miswired - > the proper wire pairs not twisted together. > > For example, computer connects directly to router and works OK. > Using that same ten foot ethernet cable, then does computer connect to > router via the 'inside wall' cable to the exact same router port? > Notice how details are posted to get a useful response here. You post > a test. Then make only one change - add the 'cable inside wall' to the > test circuit, and then test to the exact same router port. If you > don't do that, they you massively confuse and drive away useful > responders. > > You provide no clear indication that WiFi was disabled. In fact, > some of your messages imply a WiFi connection is being made which you > are confusing with ethernet. Does Network Connections specifically say > 'Disabled' or only say 'Disconnected'. You must literally state so > with the exact word quoted from Network Connections. > > As you can see, above demonstrates even why your laptop would work > where other computers would not; with maybe four different reasons. > Using information provided, one cannot even begin to guess which one > would explain it. "They connected right up" is insufficient. At > what speed did they connect right up? Using what cables (best that > each cable has a label such as AA, BB, CC, DD, EE, etc and posted as to > which cable was used)? Yes it gets that anal if you really want a > final solution. > > Dave A wrote: > > The laptop is connecting through the ethernet. I did not connect to the > > wireless. > > > > The 2 desktops run XP home and the laptop runs on XP Professional. All have > > SP2. > > > > I have tried 2 compltely different routers with the same results. You are > > correct that the computers are in 2 different rooms and the laptop is used in > > other locations either wired or wireless. > > > > We have had some thunderstorms but no power problems. Neither room have a > > UPS just on good surge protection. > > > > I have tried both desktops in each of the other rooms with the same results. > > They will not connect. I took the computers to a friends house and they > > connect right up? > > > > Everything I see points to the wiring, but I can't explain why the laptop > > will connect with the same wiring. > Tom, information. If I knew all the information you needed, I probably would not be asking for help. The WiFi used to say disabled but I took that out of the picture by using a different 8 port router (no wireless). same results. If I set the computers up in the room where the cable modem and router are, I have no problems what so ever. All computers work and all connect at 100 mps. When I take them back to the individual rooms, I get the limited or no connection. I do however get a conection with the lapptop. The connection there is also 100 mps. I can also say that I have tried all port on the router and the results are the same. My next step is to test the wiring on the lines. I have had a close friend loan me a line tester and I will test in the next say or so. (I am out of town right now). Any other suggestions. Thanks Dave Show quoteHide quote > I'm not sure what line the line tester would be testing. But if
tester is for AC electric, it will report nothing useful. If an ethernet cable tester, see below. Laptop making a connection at 100 Mhz implies the 100 Mhz option inside that one router port is OK. Same test must be performed on each and every router port. Only then have we eliminated that one router as one potential reason for failure. But (as addressed in another paragraph) you were using different routers with each test and not detailing that fact. IOW again, you have confused details - made more than one change with each test making an accurate reply almost impossible. That test that confirms router port working at 100 Mhz still does not eliminate each wire (inside walls) as a potential reason for failure. Just another reason why the same test is conducted to each router port using only same cable to same laptop. Then the same test conducted by only replacing 'ten foot' cable from laptop to router with 'inside walls' wire. Then do same test; this time only replace laptop with a desktop computer - again using only exact same ethernet cables. Repeat that desktop computer test to every port on that same router - not even changing router's AC electric connection. It is tedious, it is anal, and yet necessary to (for example) locate failures that may be masked by resiliency and redundancy inside all that hardware. Change only one item to then perform that same battery of tests. BTW, an ethernet hardware diagnostic (ie provided by ethernet interface manufacturer) was also defined. Amazing how an ethernet test using Windows is so resilient as to not detect a noisy or otherwise defective connection. Ethernet hardware diagnostic (running without Windows) may detect a slower, intermittent, or periodically failing ethernet. Windows is designed to make same failures irrelevant. Hardware diagnostics report same problems that Windows must mask. Defined previously was another tool to find an ethernet problem - hopefully you have already downloaded and used. Dave, I never told you what is right or wrong. I told you how to go after the problem without wasting time, and without any consideration for irrelevant emotions. You don't care how I told you. You only care about making a problem permanently solved. Take a 'kill the problem' attitude. Only women who are poor problem solvers also waste time with the Oprah attitude of "but how did you feel'. Sorry. I'm not politically correct which is why problems are solved immediately. The blunt answer is the useful one. If you were told what you did wrong, then be thankful that the post was honest rather than politically correct. You care about solving the problem yesterday. Solve the problem no matter how right or grossly misinformed you once were. Never mentioned was a 'different router'. Such details imply you were also testing using a different ethernet router. Again, confusing your support by not providing another critical detail. That was my #1 point. Provided too late was another critical detail - another router - long after it was required in your original post. Defined earlier were various types of wiring failures that would work OK (maybe with the laptop) and yet were still defective. Will a line tester find all such problems? No. Detecting some previously listed wiring failures require either 1) special 'hundreds of dollars' tester OR 2) can be suspected by listing each test with only one change each time OR 3) required visual inspection with an eyelet (or equivalent) magnifying glass. A conductivity tester will not detect many wiring problems - which is why a tester should cost hundreds or will not be useful. Again, this sounds all quite anal. Numerous reasons for your symptoms means a tedious 'one change at a time' testing is necessary. Remember, Windows and that laptop have a bad habit of 'correcting' defects. Sometimes what is tested with Windows or with that laptop as OK may actually be defective - because some hardware is so resilient. Sorry to be blunt, but ethernet problems get confusing when testing is not anally 'only one change per test'. Use of a second router without posting same is just another reason your replies would be confused. Again, you don't care what was done wrong or right (an emotional reasponse). Care about how to correct a defective procedure. Dave A wrote: Show quoteHide quote > Maybe instead of telling all the things I did wrong, you could ask for more > information. If I knew all the information you needed, I probably would not > be asking for help. > > The WiFi used to say disabled but I took that out of the picture by using a > different 8 port router (no wireless). same results. > > If I set the computers up in the room where the cable modem and router are, > I have no problems what so ever. All computers work and all connect at 100 > mps. When I take them back to the individual rooms, I get the limited or no > connection. I do however get a conection with the lapptop. The connection > there is also 100 mps. > > I can also say that I have tried all port on the router and the results are > the same. > > My next step is to test the wiring on the lines. I have had a close friend > loan me a line tester and I will test in the next say or so. (I am out of > town right now). 
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