Re: I got a problem with my Dell Presicion 7710

okey, i´ll order some of these ic´s. I have one notebook (MB No.: X756UXM) as replacement for some components and I found a ic chip similar to the UP101 (marking says: uP9003Q). Can i use it?

Re: I got a problem with my Dell Presicion 7710

Yep.. measured again and now we got both nearly 0V. PL101 ist fix at 0V. PL102 stays stabile at 3mV.

could that fit?

Re: I got a problem with my Dell Presicion 7710

On PL101 we got 4V and no difference with pressing power button. On PL102 nearly 0V. When i plug the charger in, PL102 goes from 0V to 14,5mV.

Its the original charger from Dell with 240W 19,5V -> 12,3A.

Btw: thanks for your help!

Re: I got a problem with my Dell Presicion 7710

On Pin 8 the resistance floats between 4k-8k ohms and on Pin 18 floats between 20k -21k ohms.

Schematics and boardview in attachments...

Hello, I would be happy if someone could help me! To me first: Im from Germany and my English is therefore not perfect! nvm..

I got a problem with my Dell Presicion 7710 with Motherboard No. LA-C551P REV2.0.

NO POWER!

I have done every ordinary thing, such as resetting CMOS and leaving the RTC battery out for a while. It is completely dead, no light, nothing. The powersupply outputs 19.5V and the DC plug measures fine. I have inspected the board, and nothing seems to be obviously damaged, no burn marks, and no apparent water damage. The next step is to check...