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We would like to inform you that due to the Intel® Pentium® Processor E5400 has been discontinued, Intel Customer Service no longer supports inquiries for it, but perhaps fellow community members have the knowledge to jump in and help. You may also find the Discontinued Products website helpful to address your request. Thank you for understanding.
You can verify this product's discontinuance status at http://ark.intel.com/ > Product Status > "Discontinued".
Intel Customer Support Technician
...And Windows 7 has been discontinued as well, so no subsequent driver updates will be forthcoming.
It's time to purchase a newer system - much newer, considering this is a processor from early 2009. Reality bites,