This specification for the DELL Inspiron 7790 Hybrid (2-in-1) can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 7790 boardview and 7790 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for DELL Inspiron...

Board is IPCML-CL REVa00

HI, I am trying to get this to power on to get data from a drive that has bitlocker, but there is no recovery key available.

I have 3.3v and 5v rails available, and I have 1.075v that, if I am following the schematic correctly, should be +1P05VSB (1.05v i believe?)

If I check pin 127 on the EC chip (PWRBTN#_IN), I see 3v, which drops to 0 when the power button is pressed. If I check Pin 52 (#PWRBTN), which again if I'm undestanding correctly, from power flow chart, goes to CPU, I have 3.3v which does not change if I hit the power...

Re: Dell Inspiron 7790 AIO not powering on



Yeah, I tried that before anything else. And thanks for the reply, I'll look into those....

Re: Dell Inspiron 7790 AIO not powering on

Have you tried a CMOS reset? Pull the RTC battery, short pins, and retry?

Check pre-requisites for the MEC EC. VBAT, DAC_VREF, ADC_VREF, AC_DET, PCH_DPWROK etc

Re: dell inspiron 5490 (24inch)aio working bios 100%

both files tested on 7790. tpm error ...

Re: dell inspiron 5490 (24inch)aio working bios 100%

It also works with dell inspiron 5491 and 7790