Core switch repeatedly powered off

If a switch is not powering on or behaving inconsistently, first check: �� Power Supply: Ensure the switch is plugged into a working power source. Try a different power cable o...

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May 12, 2026

Core Switch reboot

Cisco Community Technology and Support Networking Switching Core Switch reboot 1370 5 4

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Oct 10, 2025

I totally fucked up our network core switch and everything is

We have a pair of Dell N3224P-ON switches and today''s morning my colleague gave me a task and instructions to remove some unused VLANs. I''m sure I removed the correct VLANs. When I saved

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Nov 01, 2025

(Don''t Worry!) Computer Turns Off and On Repeatedly

Are you wondering what to do if the computer turns off and on repeatedly and randomly? Learn the ways to fix the issue with steps and

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Apr 20, 2026

Automatic Power Strips: Devices Repeatedly Switch On/Off or Loose

Automatic power strips are designed to detect device usage and switch connected equipment on or off for energy efficiency. However, you might encounter issues where devices

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Nov 24, 2025

Core Switch Randomly Restarting

I have tracked down the culprit to be my MDF core switch that everything routes back through. It appears that it has been restarting itself and I am having trouble finding the cause.

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Feb 15, 2026

Motherboard repeatedly turns on and off without POST

Power Supply: EVGA SuperNOVA NEX 750w 80+ Gold Second PSU for testing: Cooler Master RS-500-PCAR-D3 500w When booting, my pc will

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Sep 19, 2025

How to fix a PC that turns on and off repeatedly?

How to fix a PC that turns on and off repeatedly? Follow these steps to troubleshoot the issue and ensure proper hardware installation.

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Nov 30, 2025

What To Do When Your Computer Switches On And Off

Why Does My Computer Switch On And Off Repeatedly? Power issues, incompatible hardware, faulty motherboard, computer Virus, BIOS issues,

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May 29, 2026

Question

After using this rig for 3 years I had an issue where suddenly one day after being powered on the machine would turn on and then after around a second turn off.

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Apr 22, 2026

Computer turns ON then turn Off immediately

Today we are going to solve "computer turns on for few seconds and then turn off immediately". Please watch the video till the end to solve the problem______...

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Nov 30, 2025

Question

Question - Computer Switches On then Off Repeatedly Hi all, I was wondering if anyone could help me. I have been running a custom build desktop for around 3 years solidly, I use it roughly

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Jul 14, 2025

Rebooting core switches? : r/networking

When the switch that feeds your control room reboots during live news, you lose control of your cameras, coms, video switcher, rundown control, everything. We had to run commercials for 15

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Nov 13, 2025

Fixed: Computer Turns On And Off Repeatedly

There are multiple reasons why a computer turns on and off repeatedly. However, most of them can be fixed with few tweaks here and there.

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Feb 19, 2026

The switch performs a random self-reboot.

A: Unfortunately, for 30 hours, the switch does not want to restart itself. It is likely that there is an issue with the firmware on the switch. I would recommend checking for any available

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Guide
May 09, 2026

Computer Turns Off and On Repeatedly? Try These Fixes

Other than that, broken power supply cables, sockets, pins, and ports can result in the computer turning off and on repeatedly. Check each and every

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Feb 17, 2026

Core Switch''s : r/sysadmin

Usually Firmware updates but more commonly only when testing failover. How often do you restart your core switches?

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Jul 07, 2025

Today my PC has been turning on for a few seconds before turning itself off. When I press the power button, all fans (CPU fans, GPU fans, case fans, PSU fans) work properly, but after

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Sep 30, 2025

Fix Network Switch Failure: Step-by-Step Guide

Whether using a managed or unmanaged switch, diagnosing and fixing switch failures requires a structured approach. This guide will help you troubleshoot and

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Oct 23, 2025

Fix Computer Turns On And Off Repeatedly [Best Guide]

Fix Computer Turns On And Off Repeatedly [Best Guide] Computers, whether desktops or laptops, are essential tools for work, entertainment, and communication. However, nothing is more

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Mar 16, 2026

Solved – Computer Turns on and Off Repeatedly

To fix the problem that computer turns on and off repeatedly, you can check the power supply and cable firstly. If the input voltage for the power supply

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Guide
Oct 23, 2025

Rebooting core switches? : r/networking

Recently the server guy in my team has been proposing to reboot the 6509 core switches as a matter of practice in order to "clear stuff out". As of last night, core1 was up for two years, four months, and

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Dec 25, 2025

Cisco Core Switch loses power, network loses it''s mind!

This past weekend we lost power for a long duration at our main facility. When power was restored everything started up normally, but on Monday we started to have networking issues.

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Guide
Aug 08, 2025

Fixing A Computer That Keeps Power Cycling

Why does my computer keep starting up and then turn on repeatedly? this is normally due to a hardware problem and it will need to be diagnosed and troubleshooted to find the hardware fault.

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Jan 22, 2026

Network Switch Keeps Rebooting

You could buy a 24-port Netgear ProSafe switch at a local OfficeMax, OfficeDepot, or Staples since your current switches are not in managed mode and use it to temporarily replace your

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