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Atheros ar5bx63 the laptop is fully charged and on yet the screen fails to turn on.

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What do you mean fully charged and fails to turn on ? be specific, please typwe in a model / device / computer / laptop

Posted on Apr 07, 2014

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Posted on Jan 02, 2017

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The battery pack is failing.

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Charge battery fully (with laptop off) then unplug AC power. Do not continuously have power plugged in. This will ruin your battery. Remove battery when not in use for long periods. To refresh battery charge fully then run laptop till it turns off. Turn on again and wait for it to turn off. When laptop wont turn on, charge battery fully again and repeat process about 3 times. This should extend an old battery's run time.

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DV7 did not working from fully gharged battery


Hello. There is a hardware failure with the laptop not the AC charger. AC chargers have some range of protections of their own. If the power requirements of the laptop are bigger then what the charger can handle, the charger will turn off. Also other parameters can bring the charger offline. In your case, you have a problem with a small chip, the battery charge controller unit, which regulates the amount of current required to propperly charge the battery. When this thing fails, the charging requirements for the battery are reported rong and the AC charger is forced to give more power then necesary. This results in disconnection of the AC charger ( an internal fail safe of the
AC charger) and the laptop to swich back to battery power. When the laptop is turned off, it can charge the battery because the power requirements are low, having all processor, main board, hard disk etc turned off. Therefore the AC charger can handle the load. However you will need to have it checked by a service center as it is a hardware fault. Both AC charger and laptop needs that check.
The charge controll circuit needs to be replaced probably. It will be a somewhat expensive repair. Don't buy any other battery untill you have the laptop checked.

Replacement HP Pavilion DV7 Smart AC Adapter 90Watt 19V 4.74A

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1 Answer

Dell ADAMO 13 w/Vista 64 Random power failure...goes dead in 1 second. Battery fully charged. Happened with external power and when on battery. I have latest BIOS v6.0. I ran pre-boot diagnostics...


If the power totally fails (i.e. power is cut off, LEDs turn off, fans stop, ... etc), then this more likely to be because of a short circuit developing in a failing semiconductor component, or a power supply problem.
However, if the laptop is still running & only the display on its LCD is cut off but the laptop itself stays powered on, then your laptop might be experiencing a failing screen inverter board, a failing screen backlight lamp, or a failing LCD screen cable.

TYPICAL INVERTER FAILURE SYMPTOMS

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

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1 Answer

The screen on my laptop will not turn on, when i turn on my laptop the buttons light up but the screen wont come on.


your laptop is completely out of charge juice , charge it. if it is fully charged and still wont work, you need a new computer battery.

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3 Answers

Turn LAPTOP ON


push the screen to you and push it away so far as he can.

you hear a click the screen is fixed

May 14, 2008 | HP OmniBook XE3 Notebook

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