Member Avatar for interbos

My System got Off Whenever i insert a usb to my system...Pls Help!!!!...
I really need it, but anytime i insert a usb to my system it shutdown...

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  • Latest Post Latest Post by jbennet

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A few focused checks will quickly show whether this is a hardware fault (most likely) or a software/driver problem.

Because already reformatted and the shutdown still happens, start by isolating hardware. Try several USB devices (mouse, phone, thumb drive) in every port—rear motherboard ports first, then front-panel. If the PC only dies when using the front ports, unplug the case front‑panel USB header from the motherboard and test again; if that fixes it the problem is the case wiring or front socket. If every port kills the machine instantly, suspect a short on the motherboard or a PSU protection trip.

Do these safe diagnostic steps in order:

  • Test the same USB device on another computer to rule out a faulty device.
  • Try the device through a powered USB hub; if the machine stays up the direct port may be shorted.
  • With the PC powered off and unplugged, visually inspect ports for bent pins, foreign metal, scorch marks or a missing plastic guide (a misaligned plug can short pins). Use compressed air; do not probe with power on.
  • Check Windows Event Viewer for any System events at the shutdown time (look for Kernel‑Power/Event ID 41 or driver crashes) to see if it’s an immediate power cut or a crash first. Microsoft documents Kernel‑Power here: .
  • If comfortable with basic electronics and the machine is powered down, continuity-check the USB VBUS pin to chassis ground with a multimeter to confirm a short. The USB specification and pinout basics are at USB.org.

If the shutdown is instantaneous with no event log entries, treat it as a hardware short and stop using the affected port(s). If the machine is under warranty or the user is unsure, avoid DIY repairs and take it to a qualified technician. When seeking help, bring photos of the port area, timestamps from Event Viewer, and a note of which ports and devices cause the shutdown.

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Member Avatar for nuwan4u

I think it is a short circuit situation. or might be a Virus.

Member Avatar for jbennet

Are you putting it in upside down?

The little plastic tab that stops you putting in USB devices the wrong way around has fallen out of my machine, and if i do so ,it shuts down, maybe same issue?

Member Avatar for interbos

Its not a virus, cos i formatted it and is still doing the same thing..

Member Avatar for jbennet

So its a short circuit then, check for damage, e.g. what i mentioned.

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