I disconnected battery, pushed power for a while, connect battery again and after I connect AC adapter the yellow led is lighten up every time I push the power button. nothing else happen.
thank you. meanwhile I was able to get the Dell logo displayed but not more, also (just once) the display test with pressing the D while powering on worked, but still no boot.
I guess this is align with your diagnostic...
I am looking for a refurbished motherboard now, any "7390 2-in-1 motherboard" independently of their cpu gen/ram will do and work with my components, right?
update: I plugged in AC shortly after disconnecting the battery and reconnecting again. Disconnected AC again. NOW I was able to get to the part with the Dell-logo displayed but nothing happen. When I now connect the AC adapter again there are two of the five white LEDs constantly on. In the handbook I can only find blinking error Codes. Is that telling me something ?
Anonymous
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Posted July 27th, 2022 03:00
thank you. meanwhile I was able to get the Dell logo displayed but not more, also (just once) the display test with pressing the D while powering on worked, but still no boot.
I guess this is align with your diagnostic...
I am looking for a refurbished motherboard now, any "7390 2-in-1 motherboard" independently of their cpu gen/ram will do and work with my components, right?