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jmig7's avatar
jmig7
Aspirant
Aug 30, 2020

cm500 modem downstream light blinking green have internet

cm500 modem firmware v1.01.09, spectrum cable, windsows 10   Downstream is blinking "green" light last week; still have internet access at roughly 30mbps (we have 25-30mpbs spectrum package). Only...
FURRYe38's avatar
FURRYe38
Guru - Experienced User
Aug 30, 2020

Have the ISP check the signal and line quality UP to the modem. 
Be sure there are no coax cable line splitters in the between the modem and ISP service box. 
Be sure your using good quality RG6 coax cable up to the modem. 
Be sure to power OFF the modem for 1 minute them back ON.