I believe your computer caused the circuit breaker to shut off, and it's not starting up anymore.
I believe your computer caused the circuit breaker to shut off, and it's not starting up anymore.
I was gaming Minecraft and watching YouTube on my PC about an hour ago. Suddenly there was a loud "POP," and both my PC and lights shut off. After resetting the circuit breaker, everything turned back on except the computer, which still won’t power up. I’ve unplugged it, but it’s an IBuyPower model I’ve owned for two years from Best Buy. I’m worried something might have gone wrong and want to avoid permanent damage.
Consider turning off the PSU and then switching it back on for the back switch. A strong pop often indicates the PSU activating a protection, which is how you should reset it. If the device doesn't show any activity afterward, the component is likely faulty—probably the PSU. Even if it appears to work, you remain covered under warranty (IBP offers a 3-year guarantee as of my last check) and can request a replacement if needed.
This indicates a malfunction in the machine, likely due to a component failure. You'll need to determine what caused it to fail. It's possible the power supply unit (PSU) is involved, but other parts may also be affected. Expect significant damage if the issue triggered a circuit breaker. Keep the machine off until you can safely inspect it internally—avoid any risk of electrical shock. Do not attempt to restart it unless absolutely necessary and you've confirmed the problem is resolved.
This only makes sense after checking the PSU if it failed. I made sure to highlight whether it did fail since that’s what likely caused the issue. Whatever happened triggered the breaker, making it the most probable culprit. It’s worth noting that any component can fail unexpectedly for any reason. The key is understanding the exact cause if you want a clear explanation. I’d suggest replacing it, but it might not solve everything—other parts could also be affected, so you may need to replace more than just the PSU.
Your PSU has been swapped, but your PC isn’t powering up. What could be causing this issue?
It's clear from what happened that the PSU failed, which caused other components to stop working as expected. I mentioned earlier you should expect some troubleshooting because the system has entered "Safety Mode"—it won't function until repairs are made or the board is completely unresponsive. Usually the CPU and board are affected first, but other parts like the GPU might also be damaged. You'll need to test everything to identify what's broken and whether anything remains functional. In this situation, I recommend planning a full rebuild.
Typical timing for upgrading a PC is uncertain. The inexpensive power supplies often lack the safeguards found in premium PSUs. Worse still, without clear guidance on what’s acceptable, mixing quality components can damage reliable parts, making them unusable even if they seemed fine before. Depending on your homeowner’s or renters’ insurance, you might be eligible to file a claim.
If PC is covered under warranty, I’d simply send it back to the vendor and request repairs. For a PSU to fail like this, it usually means something else went wrong, requiring more testing tools that vendors provide. The warranty makes prebuilt units a better choice—it’s not meant for DIY fixes.
Most likely took the mobo with the psu. If nothing is posting its likely the mobo got fried