Mar 23, 2012
I am having an intermittent problem with my network connection dropping out for no apparent reason.When it drops, I still see the lights blinking on the NIC card, but cannot pass packets even to the router.Windows does not report the connection or the cable as disconnected when this problem is occurring.The problem will persist until I disconnect and reconnect the CAT-5e wire, or disable and re-enable the NIC.As soon as I do one of those 2 things, connectivity immediately returns (and works for another hour or so).I am running a legitimate copy of Windows 7 Home Premium 64-bit on an HP Pavilion.All of the latest Windows updates and the latest firmware drivers are installed. My ethernet connection is a wired Local Area Connection with a static IP address, gateway and DNS.The IP address, gateway and DNS settings are accurate and work for several other computers here.
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The Network Interface Card is a Realtek PCIe FE Family Controller (VEN_10EC / DEV_8136 / REV_05).NIC Power Management, Energy Efficient Ethernet, and Link Down Power Saving are all turned off.On the NIC, ARP/Large Send/IPv4,TCP,UDP Checksum/NS Offload, Flow Control, and are all on.Receive Buffer Size on the NIC is 64Kb (512 buffers). Receive Side Scaling on. 128 Transmit Buffers.Interrupt Moderation is turned on. Magic Packet features are turned off. Optimal Performance enabled. [code[