Your charger supports PD3.0 and 5V3A, 9V3A, 12V3A, 15V3A, 20V5A.
But what about the device you try to charge? It must support 20V5A for 100W charging. Else your charger falls back to a lower power standard.
Did you use Windows' Event Viewer to get into possible reasons for the freezes?
Did you install a tool for surveillance of temperature of mainboard, cpu etc?
Did you test running on the batteries only as well as with your PC attached to the wall outl...
Do you have an USB to RJ45 adapter for testing a cabled connection?
Consider that your new PC because of different hardware capabilities, e.g. WIFI6/AX, connects to your router using another frequency/channel than your old PC. Then you can take advan...
Not necessarily a problem with your GPU but some people need to flash their 4090
Mentioned in this thread, and here
Symptom is blank screen rather than stock in boot.