Dear friends
Dell A860 Model laptop not powering on please help. when i plugging in the adapter battery light is on.
Dell A860 Model laptop not powering on please help. when i plugging in the adapter battery light is on.
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My question pertains to understanding the control circuity inside a Dell PT434 type battery used in Dell E6400, E6410 and other Dell notebooks?
Does anyone have a circuit diagram for the inside of a Dell PT434 battery and/or a description of how the control lines work to control this battery?
My reason for asking is I have a battery which I cannot get to charge beyond 1% in a Dell E6410 or E6400.
The LED bar graph charge indicator on the battery shows one LED lighted when the info button is pressed.
I have tried multiple different Dell power adapters. My Dell... -
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I would like to share my experience about charging issues with Dell power supplies with the tech community. I am working on a Dell Inspiron 5590, Mainboard 18778-1 with charging problems. The device can be switched on and works so far, only the message appears at startup:
Alert! The AC power adapter wattage and Type cannot be determined. The battery may not change. The System will adjust the performace to match the power available.
The power supply unit is not recognized in the Bios and the charging process is set to "idle". I use original Dell battery, type... -
Hello guys, I need some help for troubleshoot my personal laptop. It's my first attempt to repair a laptop, I have good soldering skills and basic electronics knowledge.
Dell Latitude 7430 - not powering on, not charging.
The USB charger is negotiating the voltage and the USB meter shows 19.98V and 0.08A on both ports.
When I plug in the charger the led on the power button lights up and stays on for 30s, turns off for 1s and turns on again for 30s and so on.
The main power rail is done by ISL9538, without battery I have +8.6V and with the battery plugged in... -
Hello all,
this is my first post, so if I make mistakes please do not hesitate to point them out, thank you in advance.
I got a Dell Latitude 5420 (Service Tag: 7RFM6D3, Motherboard: GDF40 LA-491P Rev.: 2.0 (A01)) which does not start and I want to repair it. These are the symptoms:
If the laptop is only connected to the AC adapter (battery removed):
When I press the power button, the keyboard backlight and the display backlight are turning on. Caps key light is lightning, but key does not respond to pressing it.
The power/battery...
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