Use BIOS/UEFI hardware monitor
Use Windows Task Manager for limited GPU info
Use third-party tools like HWMonitor, HWiNFO, Core Temp, or Open Hardware Monitor
Check CPU temperature in system tray apps or widgets
Check GPU temperature in NVIDIA GeForce Experience, AMD Adrenalin, or MSI Afterburner
Check laptop manufacturer software if available
Use command-line tools if supported by your system
Enter BIOS/UEFI and look for hardware or PC health section
Compare readings with safe temperature ranges for your CPU and GPU
Check temperatures while the computer is idle and under load