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vmounts's avatar
vmounts
Follower
Feb 15, 2017

C7000-100NAS - Ethernet disconnects frequently with one specific computer

Laptop: Satellite C55-B5100, Running Windows 10 64 bit.  Router: Nighthawk C7000-100NAS  Firmware: V1.01.15 (which my ISP said is up to date)   One paticular laptop I own seems to be losing its et...
C7000
disconnecting
ethernet
Troubleshooting
JimPugilist's avatar
JimPugilist
Aspirant
Apr 11, 2017

same here!

Started with trouble to open Internet pages. Blamed Mcaffee (they confirmed an issue with there software) and deinstalled all Mcaffees on all devices. Had to reset Pc .Now over ethernet all fine, wifi keeps getting disconnected randomly. Did all restes, even phone factroy reset. STill. Checked finally router: sync time failure---a lot!!!! Find online a lot of complaints, but no solution...anybody an idea??

SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=9c:3d:cf:9a:32:f8;CMTS-MAC=00:01:5c:79:04:6d;CM-QOS=1.1;CM-VER=3.0;
2017-3-2, 18:23:50Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=9c:3d:cf:9a:32:f8;CMTS-MAC=00:01:5c:79:04:6d;CM-QOS=1.1;CM-VER=3.0;
2017-3-3, 13:13:31Critical (3)SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=9c:3d:cf:9a:32:f8;CMTS-MAC=00:01:5c:79:04:6d;CM-QOS=1.1;CM-VER=3.0;
2017-3-3, 13:13:33Critical (3)SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=9c:3d:cf:9a:32:f8;CMTS-MAC=00:01:5c:79:04:6d;CM-QOS=1.1;CM-VER=3.0;