Hi all,
I've had trouble with the power on this device since I got it. It always shut down with no warning and would often fail to power up. Dell's advice has been to disconnect the power and battery, wait, then reconnect and boot. Letting the battery run down completely also helped. I had them come out at one point and they said they replaced the board. This helped for a while but then it just stopped powering on. At this point it's well out of warranty. I missed the chance to get them to come out again because life. Current situation is it shows zero signs of life with both barrel and USBPD as charger. No LED, no nothing.
Wanting to fix this (and having only used it for about 2 hours in total since purchase) I decided to open it up and have a look. I have a boardview for the 19860 and schematics for the 19860 and the 19859. I had a look at standby rails. The 3V has something weird. The schematic for both models are identical and have a pair of Schottky diodes acting as an OR gate to take Type C and Barrel input (both tested to work btw). Where the component should be according to the 19860 boardview.... there's nothing. It's not stuffed. More than that, it looks like it's been taken out (see photo). The input pins are at voltage as expected, but of course nothing downstream gets anything. While the battery had charge I don't think it was a problem, but now that it's empty it's a problem I guess. Anyone heard about anything like this?
Thinking back when the engineer swapped the MB I don't remember the usual grief, it just booted up normally. Did he whip that diode pair out? Surely not. But the pads look like they've had something yanked out for sure. THis laptop has had a LOT of complaints about power issues.
I've had trouble with the power on this device since I got it. It always shut down with no warning and would often fail to power up. Dell's advice has been to disconnect the power and battery, wait, then reconnect and boot. Letting the battery run down completely also helped. I had them come out at one point and they said they replaced the board. This helped for a while but then it just stopped powering on. At this point it's well out of warranty. I missed the chance to get them to come out again because life. Current situation is it shows zero signs of life with both barrel and USBPD as charger. No LED, no nothing.
Wanting to fix this (and having only used it for about 2 hours in total since purchase) I decided to open it up and have a look. I have a boardview for the 19860 and schematics for the 19860 and the 19859. I had a look at standby rails. The 3V has something weird. The schematic for both models are identical and have a pair of Schottky diodes acting as an OR gate to take Type C and Barrel input (both tested to work btw). Where the component should be according to the 19860 boardview.... there's nothing. It's not stuffed. More than that, it looks like it's been taken out (see photo). The input pins are at voltage as expected, but of course nothing downstream gets anything. While the battery had charge I don't think it was a problem, but now that it's empty it's a problem I guess. Anyone heard about anything like this?
Thinking back when the engineer swapped the MB I don't remember the usual grief, it just booted up normally. Did he whip that diode pair out? Surely not. But the pads look like they've had something yanked out for sure. THis laptop has had a LOT of complaints about power issues.
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