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No power replaced batteries but still no power

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Replaced coach batteries and still not working


There is a relay that operates when you hook up to shore power that switches from battery power to converter power. It also charges the batteries. If you do not have battery power then suspect a faulty relay. It is located inside the power converter.

Aug 15, 2016 | Thor Motor Coach 2014 Windsport 32A

1 Answer

My aceraspire4330 wont power on


you can try the power system check by doing the following:

To verify the symptom of the problem, power on the computer using each of the following power sources:
1. Remove the battery pack.
2. Connect the power adapter and check that power is supplied.
3. Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.

If you suspect a power problem, see the appropriate power supply check in the following list:
"Check the Power Adapter"
"Check the Battery Pack"

Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power
adapter cable. See the following figure
1. If the voltage is not correct, replace the power adapter.
2. If the voltage is within the range, do the following:
* Replace the System board.
* If the voltage is not correct, go to the next step.
NOTE: An audible noise from the power adapter does not always indicate a defect.
3. If the power-on indicator does not light up, check the power cord of the power adapter for correct
continuity and installation.
4. If the operational charge does not work, see "Check the Battery Pack"

Pin 1: +19 to +20.5V (Centre pin)
Pin 2: 0V, Ground (Shielding / Surround)


Check the Battery Pack
To check the battery pack, do the following:
From Software:
1. Check out the Power Management in control Panel
2. In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total Battery Power Remaining are correct.
3. Repeat the steps 1 and 2, for both battery and adapter.
4. This helps you identify first the problem is on recharging or discharging.

From Hardware:
1. Power off the computer.
2. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground).
(Terminal 1 is closest to the edge, Terminal 6 is closest to centre)
3. If the voltage is still less than 7.5 Vdc after recharging, replace the battery.

To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer. If the battery status indicator does not light up, remove the battery pack and let it return to room temperature.

Re-install the battery pack.
If the charge indicator still does not light up, replace the battery pack. If the charge indicator still does not light up, replace the DC/DC charger board.

Jan 20, 2015 | Acer Aspire One PC Notebook

1 Answer

Batter wont stay charge


Most laptop batteries have a life expectancy of two years or 400 to 450 charge and discharge cycles. After this time, the battery may lose the ability to charge or to hold a charge for substantial periods of time. When this happens, it's likely the battery needs replacement. However, troubleshooting can narrow the problem and ensure you are not wasting money on a battery replacement.

Check Power Adapter Turn the laptop off. Remove any power cords or power sources. Separate the battery from the bottom of the laptop. Slide or press the locking mechanism to unlock the battery. Slide the battery out of the battery compartment. Plug the power adapter into an electrical outlet. Insert the opposite end of the adapter into the charging outlet on the side of a laptop. Power on the laptop. If the laptop does not turn on, the power adapter is not correctly working. If the power adapter is not working, the battery can not charge. Replace the power adapter. If the laptop powers on, the power adapter is properly working. Clean Battery Contacts Turn the computer off. Remove any power cords or sources. Take the battery out of the battery compartment. Dip a cotton swab in isopropyl alcohol. Rub the dampened swab on the battery compartment and battery contacts. Dust and buildup can prevent battery contacts from properly charging. Slide the battery back into the battery compartment. b> Charge and Test Battery Plug the power adapter into the laptop. Charge the battery for six hours. Remove the power adapter. Turn the laptop on. If the laptop turns on and stays on for at least 30 minutes, the battery is holding a charge. If the laptop doesn't turn on or the battery doesn't power the laptop for at least 30 minutes, the battery should be replaced.
Battery Won't Charge Or Short Power Life In Notebook
http://www.daileyint.com/hmdpc/battery.htm
Laptop Battery Depot http://www.laptopbatterydepot.com/problems.asp - clean

Feb 24, 2013 | Computers & Internet

1 Answer

LDR40- I brought a replacement batery but it still not holding the charge for long. Is there an intenal battery that needs to be change also?


Hello.

With most power issues, the most common reasons are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty. It's possible that your new battery is faulty and needs to be returned for a replacement.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

Apr 22, 2011 | LG Computers & Internet

1 Answer

Dell Inspiron 1721 will not power on,light on power supply flashes rapidly.


First, try and take out the battery and start the computer with just the power adapter. If the power adapter is still blinking, replace the power adapter. If the computer turns on with just the power adapter, replace the battery.

If the battery status light rapidly flashes amber, the battery may be defective. Purchase a replacement battery from Dell.

If the power supply status light flashes, the power supply may be defective. Purchase a replacement power supply.

Feb 15, 2011 | Dell Inspiron 1721 Notebook

2 Answers

Seems to be powering off battery when plugged in


This will happen if the battery is flat, or near so, try replacing battery, connect up the power adapter, and leave alone for say over night, this should charge the battery. If it doesn't then you have to check, both the charger, and the battery, and replacement is the only real way unfortunately.

Feb 23, 2010 | Acer TravelMate 4320 Notebook

2 Answers

My computer wont charge..could it be the power cord or the computer battery?


If the laptop is old think about changing the battery.

Stelios.

Feb 22, 2010 | Computers & Internet

2 Answers

Battery will not charge. Got startup message about not being able to determine wattage. Icon says plugged in not charging. Computer was dropped on power jack. Replaced power jack. Gives computer power...


The power adapter MUST BE a Dell brand power adapter.
If it is, then the socket that was replaced is not the right part.
Of course, the laptop can work just fine with the power adapter, it justwon't charge the battery.

Oct 29, 2009 | Dell Inspiron 1000 Notebook

1 Answer

Acer AL1916 can't start


If you press the power button and nothing comes on at all then something isn't providing power to the laptop as it should and you may likely need to replace the battery or the power cord.

Find a replacement battery. Change your battery with a new one then plug it up and turn on to see if this works.

If replacing the battery doesn't work then replace the power cord and trying turning it on again. If this doesn't work either, you have a more serious issue going on.

Not too long ago, I was on vacation, my laptop had been working fine until suddenly it wouldn't come on at all. I went into the office to grab a new battery and power cord. (I work on computers so I had spare parts in my office/Tech Room.)

I got home and replaced the battery then tried to turn it on using the old power cord...didn't work. This was a brand new battery so now I knew that I could rule out the battery as the issue...the only two things left to troubleshoot were the power cord and the laptop itself.

I put my old battery back in the laptop then tried to turn it on using a different power cord and it worked. I didn't need to replace my battery or laptop. The power cord had failed.

I hope that your issue is as simple as this solution. Try confirming whether your battery and power cord are still working...you may just need to replace one or the other.

Thanks for using Fixya.

Share your experience by rating this solution.

Mar 29, 2009 | Acer AL1916B 19" LCD Monitor

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