I have a laptop computer and have problems with Ethernet port when a connection is to be placed on your computer. After you restart your computer. See the event log when I see ACPIEC, "error" General error ":" deviceacpiec: calendar of o n: response embedded control (EC) this can be caused by evil, the material that appears suspicious or planned economy or the BIOS firmware. The European Community is the European Union EU: n. a driver does not retry transaction. If possible.