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If it doesn't, then the red and black is probably the switch combination, although that doesn't eliminate the small possibility that the switch has been damaged.Įdited by Platypus, 15 December 2017 - 05:26 AM. If it starts up the laptop, you'll know any momentary contact switch across the black and brown those wires will work. If not but you're willing to do some experimenting, are you able to have the laptop together enough to operate safely, with the broken wires still accessible? If so, you could make sure the red wire can't touch anything, then rig the broken ends of the black and brown wires to make temporary through connections again, and press the power button to see if that is the button connection. One is to get a used loom to replace the broken one, e.g.:ĭo you have access to a multimeter to measure resistances? In the absence of a schematic, it looks like the black wire is probably a common connection (ground) and the brown and red wires are switch and indicator LED, but not necessarily in that order.

If still no power on the Dell laptop then it must be the faulty adapter which you need to be replaced. Connect your Dell laptop adapter or power cord and see if supply power to the system or not. As I know next to nothing about all this I would appreciate specific recommendations of momentary switches that would do the job (I'm in the UK) or any other possible fix. If nothing happens even when you hold press the power button. I appreciate that my laptop is old & the casing badly damaged so I'm probably only looking for access so as I can retrieve the contents of the hard drive before I purchase a new laptop or p.c. My question is whether I can purchase a momentary switch that would allow me to connect the three internal wires to enable me to turn my laptop on. of power when gaming gets critical with a simple press of a button. The Dell Latitude 3390 power button is located on the right side at the. The Dell G3 is Dells entry level gaming laptop for 2019 and comes in at a more.

I have included a photo which shows a black wire with three internal wires (black, brown, and red) and the piece which connects to the power button with the red wire missing, having disengaged from its housing. Clearfields teacher devices are convertible laptops/tablets with a touch screen. This came about by one or both of the hinges breaking and the subsequent cracking of the plastic casing. As the topic title states, my old Dell laptop (about 10+ years - I think Studio?) power button wires are broken.