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Dell 7290, mb: DAZ20 LA-F312P rev 3.0

Attached are 3 bios: the original - not working, the second - working but without lan and the third with a long start but with a working lan. I kindly ask for help...

try...

Dell Latitude 7290 LA-F311P Laptop Board View
LA-F311P...

Schematic...

Hi,

I have a Dell Latitude 7290 that power cycles instead of turning on. The circuit board is an LA-F311P

I have systematically checked pretty much every internal voltage, and they all seem to be present except for CPU Vcc_Core, which doesn't turn on.
The impedence the Vcc_Core coils is 8.3 Ohms, though, which seems reasonable.
Vcc_SA does get enabled, and reads 1.05V. This is driven by the same power controller IC as Vcc_Core, so I am assuming that that is good.
There is no Vcc_GT, but I have read that that can be normal as it only turns on when GPU...

For those that have worked through the 7290 BIOS in the past, do you happen to know if there is a switch in it to enable a touchscreen entry in the BIOS setup?

The 7290, 7390, and 7490 all use the same BIOS, and the 7390 has an FHD touchscreen as one of its' options. It turns out it can be installed in a 7290 BUT since the BIOS doesn't have the entry to turn it on, it just becomes an FHD upgrade to the 7290.

I was hoping if any of you that had worked on the BIOS in the past would know if either the touchscreen settings could be turned on in the 7290, or the BIOS could...

Hello guys, could you repair this bios I was updating and it stays on a black screen

DELL latitude 7290
DAZ20 LA-F311P REV.1
SERVITAG: BRRYRN2...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...

This specification for the DELL Latitude 7290 Notebook 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 7290 boardview and 7290 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 Latitude 7290...