All connections, wired, wireless, internet, intranet, and cable fall under this category. Use this tag if your issue involves establishing, maintaining, adding, or removing connections.

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10
votes
5answers
81k views

Open a test TCP connection to a specified IP/Port

I'm looking for a tool that works across windows (xp through 7) that will allow me to open a TCP connection to a specified ip and port. This functionality used to exist in windows xp (netsh diag ...
0
votes
1answer
15 views

HP printer will print and scan from browser but not from printing utility

I am trying to fix a friends printing issues with his HP Envy 5530. He switched internet provider earlier this week and since then he has not been able to scan or print. His computer is on a wired ...
-1
votes
0answers
25 views

are there any window filters that block wifi? [on hold]

I'm able to use a wifi network only when my window is open. Since I'm living in a student's building where you need to pay for internet, it makes sense for the manager to try to block the wifi ...
2
votes
1answer
4k views

Windows 7 loses all network connectivity after screensaver is disabled

I have a very strange problem: My Windows 7 laptop is set to show the default windows screensaver after 10 minutes. No matter how long the screensaver is active, the network connections are fine. I ...
0
votes
0answers
10 views

Cannot connect to machine on local, statically configured network

I'm trying to set up a second NIC on my desktop to be able to ssh into another local machine running ubuntu (I don't want that machine to be on the other network). My second NIC and my ubuntu machine ...
0
votes
1answer
5k views

RDP connections keep dropping

I have an odd problem on my notebook (HP Pavilion dv7). My Internet connection seems OK for the most part. But lately I've been having trouble with Remote Desktop connections. While I can connect ...
29
votes
2answers
47k views

How can I change the default website connection timeout in Chrome?

I want to change the default timeout in Chrome. In Firefox I can set the value of network.http.connection-timeout in about:config - but how can I do that in Chrome?
2
votes
1answer
1k views

Laptop suddenly cannot access Outlook from one WiFi location

I am using a Lenovo laptop which has been set up with Outlook 2010 for nearly a year without any problems. I use it to work from both my home and my office, and both are set up with Wi-Fi. When I ...
1
vote
1answer
488 views

Windows Script for connecting to remote SFTP server with public key authentication

I am trying to connect to a SFTP server for a client of ours and send files in an automated process using MS Windows. The details I have received from the client do not include the password. I instead ...
0
votes
1answer
20 views

How to get rid of Filezilla connection timeout?

I have a problem with connecting to server with filezilla. First of all it sometimes can connect to the server but then I can't browser files because of the timeout error (adding more time doesn't ...
0
votes
1answer
3k views

Mac Connect to Server doesn't show login screen:

Using Connect TO Server function, I entered credentials once, incorrectly, now I use connect to server and it doesn't show me the login screen but goes ahead and tries to mount the share ... Anyway ...
0
votes
2answers
255 views

Distorted audio, lagging mouse, slow speed, no internet

So when I turn on my computer now the windows booting sound is all distorted almost like it's stretched or crackling, when I log in the mouse lags, and everything seems to load a bit longer. It can ...
0
votes
1answer
45 views

Firefox strange connection established, what is this?

I have accidentally found inside Firefox process properties (using Process Explorer) a weird connection in tcp/ip tab: bandicam.com:some_ports it points at localhost 127.0.0.1:some_ports bandicam ...
0
votes
1answer
3k views

Multiple mac address connections from the same device

My internet speed dropped from aobut 90Mb/s to 0.5-2Mb/s. Only one computer seemed affected. So I was been looking through the device list on my Linkysys Smart Wi-Fi router and came across something ...
1
vote
1answer
3k views

Asus DSL-N12E router frequently drops Wi-Fi connections

I have a Asus DSL-N12E router (DSL uplink + router + Wi-Fi AP) at house, and on average 5-10 devices which connects to it with Wi-Fi. Frequently different devices reports they lost Wi-Fi connection. ...
0
votes
1answer
3k views

Pinging default gateway and DNS over ADSL connection failed

My ADSL modem lights are on. When I run diagnostics from my router's IP address it cannot ping the default gateway and DNS. I contacted my ISP ,they say that there is no problem on their end. What ...
0
votes
2answers
718 views

USB keeps constantly connecting/disconnecting Windows 7

We just migrated one of our sites to Windows 7 and suddenly 2 PCs started having a wierd issue. A USB device suddenly starts connecting and disconnecting non stop with the usual "Ding Dong" sound. I ...
-3
votes
0answers
10 views

Internet radio connection

My internet radio is timed out getting connected to my wireless router. It says that it can't get the IP address. It just stopped working for no apparent reason. Any ideas anyone?
0
votes
2answers
773 views

How to connect a SAS drive to a notebook?

I haven't found any SAS to USB adaptors. How do I connect a SAS drive to my computer's USB port? No eSATA port is available on the system.
1
vote
4answers
8k views

Internet wireless connected with limited access, Windows Vista

I had some malware in my computer so I did a bit of manual work to remove it including resetting TCP/IP. Now the malware is gone. I can see my home wireless network and I can get connected to it, ...
0
votes
1answer
780 views

My website is slow only when connecting from certain IP addresses

I am running an apache server on debian stable from my house. My ISP is AT&T, and my servere is ethernet connected to the gigabit router / fiber modem (Motorala NVG589) that AT&T installed ...
0
votes
1answer
19 views

Why can't Excel show me which data connections are disabled?

When opening a workbook with an external data connection, I get a yellow warning bar: Security Warning | Data connections have been disabled | <Click Here to> Enable Content I've found some ...
0
votes
0answers
9 views

How to connect android fone to laptop via router

I have a setup of Laptop, router and phone using IP address. I can access the router on laptop but I can't access the cellphone via IP and fine can't access laptop on IP. router is is managing dhcp. ...
0
votes
1answer
29 views

External HDD in USB 3.0 case unmounts on sleep

For starters, I haven't tried it on anything but my MacBook Air (10.11). I know I should have, but I can't. Further details: The disc: Hitachi 5K500 B-320, named DSRD USB 3.0 case: LogiLink UA0106 ...
-1
votes
1answer
26 views

Can someone explain intel(R) 82567V-4 gigabit network connection?

I don't know much about networks connection but I am working on a project for a class that requires solving a slow connection issue. Could someone explain what intel(R) 82567V-4 gigabit network ...
0
votes
0answers
12 views

Windows 8.1, change GSM registration mode from automatic to manual?

Is it possible to set GSM registration mode in system from automatic to manual? (e.g. I would like to use GPRS instead of LTE) on tablet with GSM modem (lenovo) I mean, Can I do, what the method: ...
1
vote
2answers
544 views

D-link DI-524 a hub connecting to a wireless router?

I live in an apartment where I am allowed to use the wireless router's connection for the internet but the speed is sometimes very shaky and weak. Is is possible to use a D-Link DI-524 wireless router ...
12
votes
5answers
52k views

How can I see all active connections?

My Internet connection has been slow lately, and I think it might be a possible attack. A friend has told me to use Wireshark, but it is a big install, and I do not have the time to learn how to use ...
0
votes
0answers
11 views

Sharing socks proxy connection over a 2nd NIC

I'm trying to accomplish the following: I have a server with two NICs One is wireless (wlan0) made as an access point (using hostapd) and the other one (eth0) is connected to a network that doesn't ...
0
votes
0answers
29 views

Trouble connecting Dell E6420 to 27" Korean Monitor

First time posting so please forgive my ignorance on this hardware issue. TL;DR I can't figure out if the issue is due to graphics card incompatibility or because of choice of connecting cables. I ...
0
votes
0answers
17 views

Limited Connectivity on 1 network Full Connectivity on another

Desktop windows 8.1 .At one location it wont connect to the internet I get a limited connectivity error . If i try any other computer in same spot it works .When i bring computer back to shop it ...
0
votes
2answers
28 views

Excel 2016 list of options for connection to DB has suddenly reduced, (MySQL, PostgreSQL)

I work with open source dbs such as MySQL or PostgreSQL as a back-end data storage with my excel 2016. I had the full list of connections to all different kinds of dbs but they are suddenly reduced ...
0
votes
1answer
3k views

Internet Explorer “There was a problem sending the command to the program” error

When I click on links to other URLs on web pages or in email messages, this error occurs about 90% of the time. Began occurring when I switched from a cable service to Verizon FIOS. What can I do to ...
2
votes
2answers
24k views

Does Mac OS X keep a log of network connection addresses and dates/times?

I have lost a file containing my hours worked for a particular client over the last month. However, I am always connected to their wireless network whilst I am working for them. Is there anyway that ...
0
votes
0answers
48 views

Microsoft Bluetooth Notebook Mouse 5000 has to be paired every time on Windows 10

Problem: After upgrading from Win 7 Pro to Windows 10 my Microsoft Bluetooth mouse won't connect unless I "Remove Device" though the Settings>Device panel and then make the mouse discoverable by ...
0
votes
0answers
29 views

Connection between 2 computers behind NAT

If I am A and know the IP public of B and his internal IP and B has open the port 1000 for incoming messages and I send a packet from A to B using all data i know of B, will the packet come to B? ...
2
votes
1answer
876 views

Lightroom causes system wide connectivity issue

Problem When starting LR all network activity on my WiFi connection stops (as observed in the "Performance" tab of the Task manager) and I can no longer access anything from the web (websites through ...
1
vote
2answers
249 views

How do I fix this internet connection error?

I am getting errors like: ERR Name Resolution Failed ERR tunnel connection failed DNS probe finished nxdomain I am using airtel broadband connection.
4
votes
12answers
20k views

LAN/WLAN/home network connection dropping intermittently

I'm having an issue on our home network that is driving me mad. More often than not, when a user on our LAN is downloading and using most of the bandwidth my connection my PC or my laptop or my ...
-4
votes
3answers
65 views

What exactly is a network socket? [closed]

I've heard a lot of different definitions online, and having trouble understanding what a socket is. It'd be great if someone could shine a light where it's all dark for me.
2
votes
0answers
27 views

Accidentally forgot network, tried to reconnect. Taking too long to reconnect with CORRECT network key

I accidentally forgot my home network on my laptop while trying to forget a different one (I have Windows 8.1), and every time I try to reconnect using the positively correct network key, it gives me ...
1
vote
1answer
36 views

Is it possible to view the exact site addresses a program is accessing on a Mac?

This might be possible on Windows or Linux, if so I'll try to change my OS, but I'd like to know if it's possible to see websites a program is looking at or trying to connect to. I need this for debug ...
1
vote
0answers
38 views

Netflix, Amazon Video and youtube intermittent streaming errors

my PC has issues streaming from Netflix, Amazon and Youtube (my laptop and FireStick work fine). When streaming the video will play fine (buffers fine etc.) but then will randomly cut out, maybe as ...
6
votes
3answers
13k views

What happens when Gigabit switches are connected over an old CAT5 cable?

If two gigabit switches are connected using an old CAT5 (not CAT5e) cable, will they slow their connection down to 100 Mbit/s?
0
votes
0answers
26 views

Unable to connect phone to android studio

Trying to get my phone connected so I can use it to test things I am trying to develop. My phone is LG G3. I verified that it is in developer mode. When I connect it to my computer I see the phone in ...
1
vote
0answers
32 views

Send large files to server through low bandwidth connection

I'm trying to send large files (> 200Mo) to a remote server with a limited bandwidth using rsync. For now, it doesn't even start sending, only dry-runs succeed. My tests are working on other servers ...
1
vote
1answer
44 views

InfiniBand RDMA: Do you need the RDMA Connection Manager?

When doing RDMA transfers over InfiniBand, is the RDMA Connection Manager required? (Also, are all calls with the prefix rdma_ related to the RDMA Connection Manager?) Also, there are no appropriate ...
0
votes
1answer
33 views

Weird Wifi Issue on Mac - some websites don't work if typed into address bar, but can be accessed otherwise

I have a really peculiar issue that I've been having at my parents' home wi-fi. At my house, all websites work without issue. However, on only my computer, if I type in google.com, I get "No data ...
0
votes
1answer
1k views

Problems connecting to Skype 2.8 with Mac OS X Snow Leopard

I have just downloaded Skype and I cannot get it work on my mac. I am running the newest version 2.8. Whenever I try to connect I get the error "Cannot connect to Skype. Please check your network ...
-2
votes
1answer
32 views

Assistance needed configuring two routers

I need help configuring 2 routers for my home internet please. My principal router is also a modem ( Vodafone.de - Kabeldeutschland modem/router )and my second router is from Linksys. Both have ...