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Sorry man, I don’t know why iFixit doesn’t notify me :( In case you haven’t already fixed or thrashed your ESX : The LM2596 should be potent enough to drive the 1A of the ESX. Nonetheless I would monitor the output voltage of the LM2596. If it drops after a while below a relevant value maybe there is an error in your design, so that the LM2596. doesn’t deliver enough power. You could test your fix with an external 3,3V power supply instead of your LM2596. If this works then maybe there is still an error in your design.
Hi, I have written this instruction twice. I had some problems with the first not being published. Please have a look at the other instruction:
Replacing a fuse in the Electribe SX (ESX)
The EMX Service Manual is attached there.
Thanks for the very helpful guide. I used it to fix the heating problem on my HP Pavilion DV7-4159EG.
I have one addition: Leave the upper left and upper right screw in place until you open the laptop to remove the keyboard (Step 5 to Step 6). To clarify: If the laptop is lying on the back like on the first pictures. I mean the most upper left and right screws, right below the display hinges. These two screws are on my model a bit bigger and "shinyer" than the rest of the screws.
Why? The hinges are mounted by one screw into the plastic casing. This is very flimsy. In addition, the hinges are hold in place by the two screws holding the casing together. If you remove theses screws too early it may happen that the hinges will rip out of the casing if you open the laptop. At least this happened with my notebook on the left hinge. It isn't usually a problem, because you can bend them right when you put the DV7 together. But it is one mount point less for the display.