Yesterday i got hp 17inch laptop, no power wont start. Dead.
After pressing pwrbtn 3x blinks white led on dc connector.
No 3.3v, no 5v because nothing on enable pin 1.
s5_on signal missing.
LDO 3.3v on pin 5 and LDO 5v on pin 7 outputs are good.
pwrbtn 3.3v good.
s5_on signal missing.
schematics and screenshots attached.
After pressing pwrbtn 3x blinks white led on dc connector.
No 3.3v, no 5v because nothing on enable pin 1.
s5_on signal missing.
LDO 3.3v on pin 5 and LDO 5v on pin 7 outputs are good.
pwrbtn 3.3v good.
s5_on signal missing.
schematics and screenshots attached.
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