Dell d620 ( LA2791P) main borad short

pkurls

i see all short when i am pull PL22 no short any more ..... i also change max8724e same probelm

MSF113

Remove d13, check, remove pq78, check.

Sergej

pkurls, check all capacitors 10u_25v and 4.7u_25v first!

MSF113

Sergej
Agreed too.

pkurls

i cheeked every thing but still have same problem

MSF113

remove PL22 than connect power supply with current limit after PL22.
I think some capacitor is defective after PL22

pkurls

after pl25 no short any more and i see all cpaster after pl22 its show ok what u suggest me

MSF113

remove pq77

pkurls

after remove pl22 show short

Posted after 1 minute 31 second:
after remove pq77 show short

MSF113

again: Remove d13, check, remove pq78, check.

pkurls

i seen it already its same short

MSF113

again 2: connect power supply with current limit after PL22.
do you read messages or read it and not make anything?

pkurls

now after remove pl 25 no short

Posted after 5 minutes 54 seconds:
after remove pl25 no short any more which area looks short

MSF113

connect power supply with current limit after PL25

pkurls

on pl25 have 19v laptop power up and shutdown and no 3.3 on bios chip

MSF113

You must find the shortcut first, if you have it