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Hello all, Been a long time since I've frequented this site, good to see it's as useful as ever! I've recently aquired a BT Infinity fibre optic line, rated at 76mb/s max dowload speed,19bm/s max upload speed. I've had it installed for about a month and had nothing but trouble with it. The speed is very consistant, unfortunately it is consistantly slow; 3.9mb/s max UP, regardless of the time of day. I am using an AMD Phenom II X4 995 processor with 4 GB RAM on a windows XP Pro operating system. I've never had issue with my hardware and tend to keep it in well fettled form. I am hard wired (ethernet) into the BT router with this machine and all testing is performed with all the other equipment in my home switched off. I get the same results on this site with my partner's rather fetching pink ASUS laptop via the wireless connection also. Streaming is poor, with anything vaguely HD requiring a lot of buffering, and my file download rate very rarely goes beyond 200KB/s on most sites or P2P. XBOX Live also has a habit of randomly disconnecting, and Netflix on the XBOX 360 is usually in 'standard' definition and stops to buffer a LOT. I've had some less than useful advice from BT over the phone and had an engineer visit (whilst my partner was home and I was in work). Both the operators and the engineer have confirmed that yes, we do have an issue but haven't been specific as to what it is. Most annoyingly when they 'speed test' my line with BT's own boradband tester my line reads as having a stable 39mb/s UP 18mb/s DOWN connection, which is quite obviously a load of old tosh. Does anyone here have any suggestions as to what to do? Is there anything I can do to speed my end up? Thanks in advance! Liam ::.. Internet Speed Test Result Details ..::: Download Connection Speed:: 3871 Kbps or 3.9 Mbps Download Speed Test Size:: 3.2 MB or 3296 kB or 3375104 bytes Download Binary File Transfer Speed:: 484 kB/s Upload Connection Speed:: 1572 Kbps or 1.6 Mbps Upload Speed Test Size:: 672 kB or 688128 bytes Upload Binary File Transfer Speed:: 196 kB/s Tested At:: http://TestMy.net Version 13 Test Time:: 2013-04-04 18:07:22 Local Time Location:: Newport, GB GB >> Destination:: Dallas, TX US Validation:: https://testmy.net/db/6Qz0O2D.ZALMPcs TiP Measurement Summary (Download):: Min 2.95 Mbps | Middle Avg 4 Mbps | Max 4.17 Mbps | 22% Variance TiP Data Points:: 3.09 Mbps, 4.08 Mbps, 3.49 Mbps, 4.09 Mbps, 4.03 Mbps, 4.1 Mbps, 4.17 Mbps, 4.1 Mbps, 4.11 Mbps, 4.1 Mbps, 4.1 Mbps, 4.09 Mbps, 4.11 Mbps, 4.09 Mbps, 3.09 Mbps, 4.1 Mbps, 4.09 Mbps, 4.1 Mbps, 2.95 Mbps More Stats:: https://testmy.net/quickstats/nitrosurf https://testmy.net/compID/743992307845 User Agent:: Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0 [!]