Modem Crashing

I can reliably crash my modem. All I have to do is run a speedtest from any computer or phone on my network and it will restart every time. It always hangs on upload, download speeds are fine (on ultimate plan). Is my modem dying? Or is something else going on? Problem didn't start till a couple weeks ago. Have restarted modem and routers, computers etc. Called and had modem reset. Still it does it.

Responses

ChrisL

Former Moderator

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7.1K Messages

That's going to be hard to say based on the information given. Do you know what make/model modem you have? Also, could you visit http://192.168.100.1 and post the signal status results? Perhaps there are some clues there that will help.

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killerhurtz

New Contributor

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4 Messages

Sure. Modem is a Cisco DPC3010.

Model:	Cisco DPC3010
Vendor:	Cisco
Hardware Revision:	1.0

MAC Address:	bc:c8:10:29:6a:be
Bootloader Revision:	2.3.0_R1
Current Software Revision:	d3000-v302r125533-120716a-COX
Firmware Name:	d3000-v302r125533-120716a-COX.bin
Firmware Build Time:	Jul 16 17:16:46 2012
Cable Modem Status:	Operational

Cable Modem State

DOCSIS Downstream Scanning:	Completed
DOCSIS Ranging:	Completed
DOCSIS DHCP:	Completed
DOCSIS TFTP:	Completed
DOCSIS Data Reg Complete:	Completed
DOCSIS Privacy:	Enabled

Downstream Channels

	Power Level:	Signal to Noise Ratio:
Channel 1:	0.5 dBmV	37.9 dB
Channel 2:	0.1 dBmV	38.4 dB
Channel 3:	0.2 dBmV	38.5 dB
Channel 4:	0.4 dBmV	38.1 dB
Channel 5:	0.2 dBmV	37.7 dB
Channel 6:	0.5 dBmV	38.3 dB
Channel 7:	0.1 dBmV	37.8 dB
Channel 8:	0.0 dBmV	37.4 dB

Upstream Channels

	Power Level:
Channel 1:	45.5 dBmV
Channel 2:	44.2 dBmV
Channel 3:	44.7 dBmV
Channel 4:	44.7 dBmV

Sorry had to copy and paste could not upload an image.

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ChrisL

Former Moderator

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7.1K Messages

Nothing looks too alarming with those results. Do you see any change in the modem lights when this happens? Can you duplicate the results without the router attached?

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killerhurtz

New Contributor

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4 Messages

When it crashes the modems light go out just like if I reset it. Yes same results if router is bypassed. it seems to ge be getting worse. If youtube video is attempted it will crash.

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ChrisL

Former Moderator

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7.1K Messages

The only thing unusual I see from this end is the modem reporting lots of power adjustments to maintain sync. This could be a symptom of an electrical problem. You could try connecting the modem to a different power source to see if this makes a difference at all. Should that not help it may be necessary to have a technician come out and troubleshoot further.

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killerhurtz

New Contributor

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4 Messages

Ok got a new power supply and it works I can now run a speedtest without crashing. Its been a few hours and everything seems stable. Will update in a day or two to make sure it was the right fix.

Thank you so much for your help.

Garry

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ChrisL

Former Moderator

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7.1K Messages

Glad to hear that did it, thanks for sharing your feedback.

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Modem Crashing

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