Have you checked the 'Check Service Status' at the top of the page ?
If nothing is showing try phoning 0800 561 0061, this will tell you of more local issues that may be affecting the area. Be aware that it isn't a manned line.
Go round all the accessible co-ax connections and ensure that they are finger tight.
If everything above is OK we need do some troubleshooting; to start with …
Can you set up a Broadband Quality Monitor (BQM) at thinkbroadband.com - this will give you an insight into what is happening with the signal at the other side of the Hub, it will take a few hours to get any kind of trend showing although you can post the link straight away.
Post a link to your BQM on here.
Instructions for posting BQM Link
Under your BQM graph are two links in red.
Click the lower link (Share Live Graph) then click generate.
Copy the text in the Direct Link box, beware, there may be more text than you can see.
On here click the Link icon (2 links chain to the left of the camera icon)
In the URL box paste the link you copied and in the ‘text to display’ box write My BQM then click OK - you can post the link straight away.
Your last BQM link is to your logged-in profile on Thinkbroadband, so it doesn't work for anybody other than you. You'll need to put up a link to a shared graph (I suggest a "live" graph at that). Don't post an image or screenshot from your logged in account, it'll not be approved because it shows your IP address.
You may also want to re-post the hub's status data - when you did so before, your technique was right (selecting text, pasting as formatted text) but you hadn't included the full set of data, as each tab extends downwards. For example there's 24 downstream channels, and error data per channel, but you only selected the power and SNR data for the first nine. Also, the Network log is sometimes helpful in showing up a problem. It is important that you post these as text, so that the forum software can obscure personal data like the IP addresses and MAC addresses - when you do that it'll throw up an "invalid HTML message", just click on "post" again.
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