Axioo Hype 5 X6 Ryzen 6600h, blank screen but laptop running

 Symptoms;

1. laptop on, fan on, indicator on
2. no any image nor characters appear on screen, backlight on
3. ctl-alt-del is working
4. can not enter bios 

Steps to diagnostic

How to remove static voltage

1. open back cover you need screw driver + small
2. remove all rams
3. remove all nvme
4. remove / unplug battery 
5. Press and hold power button at least 15 seconds
6. reconnect/plug battery 

Check ram

1. clean ram connector with eraser 
2. put in a ram in slot 1
3. turn on laptop, and see what screen show, usually it will enter uefi/bios settings
4. if not ram not detected, blank screen or not appear in uefi, turn of laptop and put ram into another slot. repeat until no more slot to try. if it still does not detected, ram fail/damage.
5. If ram detected in another, it may something wrong with previous slot, check connector and clean if necessary. if still can detect, slot failure.
6. repeat step 2 with another ram.

Check nvme (or sata)

1. clean vnme connector with eraser 
2. put nvme in the slot
3. turn in laptop
4. if it does not go to os or uefi, turn off and move vnme to another slot if available.
5. if no more slot can detect nvme and start uefi/os, nvme is failure/demage