A surprising find has been made.
A surprising find has been made.
We’re using a desktop PC linked to our living room TV. Recently, static buildup caused a loud pop when touching my shoes, followed by the machine shutting down. After restarting, it powers on but doesn’t respond—no POST sound, no video output, nothing at all. It seems the BIOS data got corrupted, likely due to CMOS battery issues or reset pins. This happened after handling a Bluray disc yesterday; touching the case metal triggered a strong discharge and forced a BIOS reset. The room has carpeting, and the PC is connected to an UPS. Grounding through the wall outlet probably made the static path too short for safe operation. Also, the internal drive wasn’t recognized until I used refind to boot and reinstalled the bootloader. The static interference seems to disrupt the system’s boot process. I need to avoid touching it while wearing shoes.
Consider stabilizing your setup by directing the surge around parts, passing through the metal casing and straight to ground. This should halt any power interruptions or static discharges moving through components. It may still produce shocks, but they shouldn’t harm the system.
The issue needs to be resolved by connecting through the power outlet, avoiding all PC parts. The route should follow: you → case → PSU shell → ground wire in power cable → third prong (some sockets or alternative ground) → house wiring → ground stake outside. My concern is likely a poor PSU or damaged house wiring. Are you in an older building or one with extensive DIY work?
The house seems recently installed, and I handled the installation myself by driving and connecting the ground rods. It might be related to the power source—a Thermaltake 650-watt unit. I should also inspect the ground rods to verify they’re not corroded.
Consider using a multimeter to test the connection between the ground prong on the back of the PSU and the unpainted surface of the case. It should read 0.0Ω. If not, all static current flows directly into your components. A reading other than zero indicates a problem. If it matches zero, verify that both the PSU ground prong and the metal casing are also at 0.0Ω. Otherwise, there may be an issue. If everything checks out, securing the PSU should provide proper conductivity. Ensure the ground rod is correctly installed; if not, it could be the source of the fault. Your self-installation might have missed something, especially in a new build where professionals typically handle this step.
I experienced issues with static during winter. I connected a 1MΩ resistor to ground and touched it to discharge static.
I had an electrician present to assist with completing the project so I could finalize it and then approve it once finished. Several grounding rods were placed at intervals, etc. I’m able to verify them myself to ensure no extra corrosion or buildup exists between the clamps and the rods themselves. It might be due to the case paint. The power supply is secure, but both the unit and the case are painted, and the screws appear black—though I’m uncertain if that’s paint or another finish. I’m not sure if this has anything to do with electricity; I once touched a metal screen door handle while wearing shoes on the carpet and felt shocked. It seems to happen only when I’m wearing my tennis shoes and walking on the floor for a while.
Begin at the connection point. The cable might have slipped out. You can purchase a simple plug checker for around ten dollars, which will confirm proper wiring and grounding.