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Does not power up.

Led on power light is on, light on PC shows its connected to a power supply. The Battery checks as fully charged. But when I press the power button, nothing happens. Not even a moment of power. I have a MT6723 Laptop. Any help you can provide would be great.

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  • avatar23815 Jun 28, 2009

    Tried it and it does not work, However when i was holding the power button, i could hear a faint continuous clicking sound.

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  • 24 Answers

Remove the battery and try to turn on the laptop without the cord plugged in to allow the device to completely discharge. Put the battery back in and hold the power button in for 45 seconds, the lights should flash and then turn the laptop on normally.

This always works for my laptop.

Posted on Jun 27, 2009

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1 Answer

18v 12 cordless trimmer/edger. Why won't it start?


the trimmers switch may be faulty.

CHARGING THE BATTERY PACK
Battery packs for this tool are shipped in a low charge condition
to prevent possible problems. Therefore, you should
charge them until the green LED on the front of the charger
comes on.
NOTE: Batteries will not reach full charge the first time they
are charged. Allow several cycles (operation followed by
recharging) for them to become fully charged.
CHARGING A COOL BATTERY PACK
See Figure 3.
If battery pack is within normal temperature range, the red
LED on charger will come on.
NOTE: If the charger does not charge the battery pack
under normal circumstances, return both the battery pack and
charger to your nearest Ryobi Authorized Service Center for
electrical check.
n Charge the battery pack only with the charger provided.
n Make sure the power supply is normal household
voltage, 120 volts, 60 Hz, AC only.
n Connect the charger to the power supply.
n Place the battery pack in the charger aligning raised rib
on the battery pack with the groove in the charger.
n Press down on the battery pack to be sure contacts on
the battery pack engage properly with contacts in the
charger.
n Normally the red LED on charger will come on. This
indicates the charger is in fast charging mode.
n Red LED should remain on for approximately 1 hour
then the green LED will come on. Green LED on
indicates battery pack is fully charged and charger is
in maintenance charge mode.
NOTE: The green LED will remain on until the
battery pack is removed from the charger or charger is
disconnected from the power supply.
n If both yellow and green LEDs come on, this indicates
a deeply discharged or defective battery pack.
Allow the battery pack to remain in the charger for 15
to 30 minutes. When the battery pack reaches normal
voltage range, the red LED should come on. If the
red LED does not come on after 30 minutes, this may
indicate a defective battery pack and should be
replaced.
n After normal usage, a minimum of 1 hour of charging time
is required to fully recharge battery pack.
n The battery pack will become slightly warm to the
touch while charging. This is normal and does not
indicate a problem.
n Do not place the charger and battery pack in an area of
extreme heat or cold. They will work best at normal room
temperature.
NOTE: The charger and battery pack should be placed
in a location where the temperature is more than 50°F
but less than 100°F.
n When batteries become fully charged, unplug the
charger from power supply and remove the battery
pack.
Source(s):http://toolboyworld.com/eBay/Ryobi_P110/...

Jan 23, 2016 | Ryobi Garden

Tip

Laptop Battery and Power Supply Problems


POWER SUPPLY & BATTERY PROBLEM
If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all.
OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time.
If the battery drops to an unacceptable charge level then the battery needs to be replaced.

Check power adapter’s DC plug that connects into the laptop power socket with a multi-meter, the voltage should be slightly higher than the voltage that is printed on the label on the bottom of the adapter. If the voltage is zero or way below the voltage that is printed on the label then the power adapter is faulty and needs to be replaced.
If the adapter is OK then connect it to the laptop and power it up, then look at the power/battery charging LED light and wriggle the power plug in the laptop's power socket. If the power/battery LED light flashes and in a certain position this LED light stays firm, then the power socket is either faulty or it has a dry solder joint where it is connected to the motherboard.
This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. If you cannot DIY then I suggest you get a quote first.

on May 17, 2010 | Computers & Internet

1 Answer

Gateway NV5378u lap top, brand new battery installed and status says 100% charged. When I unplug the computer it shuts off as if there is no battery. Could the new battery be defective?


There are a few things to check. The LED lights can tell you a lot. This will tell you more about the battery:
  1. On the taskbar, double-click the power cord icon or battery icon to open the Power Meter dialog box. Note: If the power cord icon or battery icon does not appear on the taskbar, click the show hidden icons button.
  2. Press Fn+STATUS to view the power status box, which opens in the upper-left corner of the screen. The power status box shows the current power source, the battery charge level, and the power management mode.
  3. Look at the battery charge indicator (if applicable).
    • LED green - Battery is fully charged.
    • LED orange - Battery is charging.
    • LED blinking red - Battery charge is very low.
    • LED solid red - Battery is malfunctioning. Note: This LED only lights up when the notebook is connected to AC power.
  4. Press the battery meter button on the battery. The battery meter lights indicate the percentage of battery charge remaining.
  5. Wait for a Low Battery warning message to appear.
If your battery charge indicator displays what looks like an inaccurate charge, you may need to recalibrate the battery.

To recalibrate the battery as mentioned, try this:
  1. Connect the AC adapter and then turn on the notebook.
  2. As soon as it starts and you see a startup screen, press the F2 key.
  3. In the BIOS Setup utility, use the TAB key to select the Advanced menu.
  4. On the Advanced menu, select Battery Auto Learning, and then press the SPACEBAR to select Enabled.
  5. Use the RIGHT ARROW key to select the Exit menu. On the Exit menu select Exit Saving Changes, and then press ENTER.
  6. At the Setup Confirmation prompt, select Yes, and then press ENTER.
  7. The battery recalibration process begins and a screen opens showing you the progress.
  8. When the recalibration has finished, and the message "Press [Esc] key to exit" appears, press Esc. The battery charge indicator now displays an accurate battery charge.

Hope this helps!!

Oct 20, 2013 | Computers & Internet

1 Answer

Acer A500 wont charge


Is the supply/power cord functional? Does an LED light up when it is plugged in? If not, the power cord is the issue, make sure the cord is fully seated into the supply and the supply cord to computer is fully seated.

If the LED comes on, the problem is the battery is likely at end of life. They have a cycle of about 400 charge/discharge cycles, less if left plugged in all the time.

Jan 19, 2012 | Acer Computers & Internet

2 Answers

Ryobi charger model # 140295003 has a red and yellow light. When charging red light is on what does the yellow light mean? Also how long should the battery be left in the charger?


Completely wrong. Quoting from the user's manual:

"The charge indicator light (LED), located on the charg- ing stand, will light up red and glow when the char- ger is properly connected to power supply. This light indicates the charger is operating properly. It will remain on until battery pack is removed from charging stand or charger is disconnected from power supply.

After normal usage, 3 hours or less of charging time is required to fully recharge battery pack.

If both red and orange LED indicators glow, the battery pack is deeply or completely discharged, and 6 hours or longer of charging time is required to fully recharge battery pack.

Note: If charger does not charge battery pack or orange LED continues to glow after more than 30 minutes of charging, return battery pack and charging assembly to your nearest Ryobi Authorized Service Center for electrical check."

So to summarize: red = charging. orange (yellow) = fully discharged battery. orange after 30 minutes - bad battery or bad charger.

Apr 23, 2011 | Garden

2 Answers

Won't turn on. Battery is plugged in and lit. n


Try removing your battery pack. Then connect the power adaptor (even without the battery) and connect is directly to the power outlet. If it powers up, then the battery pack might be defective or totally drained.

If the battery is just totally drained, simply place the battery to the laptop. Do not turn the laptop on. Plug the power adaptor to the laptop and plug it to the power source. If you see that the charging LED is blinking in your laptop, then just leave it charging up to 5 to 8 hours.

Never use a laptop on battery mode while it is plugged in to a power source. This is the number 1 reason why laptop batteries don't last longer.

Jun 06, 2010 | Sony VAIO Notebook

2 Answers

First time charging up of archos 5,it has now been charging for about 14-15 hours. but the green light did'nt blink yet. it says after fully charge, the green light blinking. what can be the promlem about...


@wilkerwkocer 

On an Archos, battery is fully charge when the CHG LED light is flashing, while that light is ON all the time, the unit is still charging.

Now, in order to charge your Archos you must leave it on Suspended mode, by holding the Power button for about 4-5 seconds until it says "Suspending", DO NOT leave it on completely "Shutdown" mode, or your battery will never charge, and you are also risking the life of your battery by doing so.

So in other words:

1) On a PC via USB it should take around 8 hours to charge, while connected to an Archos mini dock, battery dock, or DVR Station, it should take around 3 hours to fully charge.

2) Leave your unit completely "Shutdown" (hold the Power button and wait 10 secs. or so until it says "Shutting down" and let it go off.

3) Connect it to your power source, either USB on computer, or external charging device as mentioned above, it will come back on, the two LED lights CHG and Power will come on, leave it like that, and after a few minutes the unit will go into Standby/Suspended mode by itself, and there is when you are charging your battery the right way.

3) Wait 8 hours if connected to your PC, or 3 hours if connected to an external power supply (as described above). If still after being in suspended mode (not completely off) your CHG light isn't blinking after the 8 hours on PC, 3 hours on external power supply, then suspect your battery is defective.

In that case, if the unit is still under warranty contact Archos, if it is out of warranty. If it isn't under warranty, you can buy a replacement battery on eBay and either replace it yourself, or find someone with the technical skill to do it for you.

I hope this helped you.

Mar 11, 2010 | Archos Internet Media Tablet MP3 Player

2 Answers

Green battery light on the archos 5 but when i disconnect it from dock or usb no green lights abd completely dead - won't switch on either in dock or out???


Power green LED light should come on, CHG green LED light should also come on showing the battery is being charged. Leave your unit in Suspend mode while charging it, DO NOT turn it completely off as "Shutting Down.." because it will not charge your battery.

I just purchased an almost new Archos 5 on eBay recently, and the first day I had it, happened to me that I left the unit off and charging on the Mini Dock with external AC power supply, after 13-14 hours the CHG light still wasn't blinking. Then I though maybe I have to leave the unit in Suspend mode rather than completely off, which I did, and in a matter of 3 hours it fully charged the battery.

Again, do not shut down completely the unit, leave it on Suspended mode, or even on, and connected it to your mini dock, after a while the screen will go blank the unit will go into Suspended mode by itself, and after 3 hours on external power supply or 8 hours via USB on PC should be completely charged and your CHG light should be blinking, indicating the battery is charged.

I hope this helped.

Mar 10, 2010 | Archos Internet Media Tablet MP3 Player

2 Answers

I have a new e627 used only once before today. Battery connection was partially out and screen indicated low battery. After five minutes screen went black and now I cannot power up.


Maybe your battery is totally drained.

Try to connect the AC adaptor of your laptop and plug it to the wall outlet and let it charge for 3 hours or more. When you plug it on the wall socket, it won't show the laptop's led blinking since it was totally drained. But after 3 minutes or more, it will start to show the blinking led to indicate charging. When blinking stops led light disappears, it is fully charged and ready to use.

Remember: Do not use your laptop while it is plugged in to save your battery life. When at home, remove the battery while it is fully charged and plug the AC adaptor directly to the wall outlet. It will still work without the battery as long as it is plugged directly to the wall socket.

Feb 23, 2010 | Computers & Internet

1 Answer

Power indicatoror


From the manual:

"Attach the barrel tip of the AC Charging Adapter to the AC Charging port of the POWER TO GO® and plug the standard two-prong plug into an appropriate, functioning 120 volt AC outlet. The red Battery Status LED indicator will flash, indicating a proper connection has been made and the unit is charging. The green Battery Status LED indicators will gradually light as the charge level rises. The POWER TO GO® must be charged for approximately 11-17 hours prior to first use. All Battery Status LED indicators will be lit solid (the red indicator will stop flashing) when the unit is fully charged.

Aug 29, 2008 | Black & Decker Power To Go Cordless AC/USB...

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