How long do you need to hold down the power button to turn off a PC?
Summary
The article explains how long you need to hold the PC power button to force a shutdown, noting hardware-level shutdown at 12 seconds and an 8-second window that triggers a kernel dump to Windows Error Reporting. It discusses ATX timing, motherboard variances (4–5 seconds), and LPBH classifications, and it raises questions about how these behaviors manifest across systems.