Question about IBM ThinkPad 600X Notebook

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My laptop says its on AC Power but the batteries is low

What can I do? The power cord is not working. The power icon says its on AC but the battery sign is yellow and flashing.

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I dont think this is a problem with the powercord since AC power supply is coming into the laptop. The yellow power light blinks when the charge in the battery is less than 10%. This is a problem with the battery. It is covered under warranty(if you still have it) then i suggest that you avail it and get new battery!
Good luck!

Posted on May 23, 2008

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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 | PC Laptops

1 Answer

I had a problem with my dell latitude d510 battery so i purchased a new one. And i have to charge the battery but when i plug in the ac adapter, i will see there on power icon that charger plugged in not...


Your charge is bad. Buy a new AC Adapter Power Card. The battery will not charge if the AC Adapter does not work.

I bet if you removed the battery and tried to power the laptop on with just the power cord, it would fail because the power cord is bad.

Apr 04, 2012 | Dell PC Laptops

3 Answers

Battery has been charging to 100%. Suddenly would only charge to 76 percent. Now, after two weeks, will max at 62 percent. Computer is 1 year old. Can battery meter be recalibrated?


Pulled from Gateway's website:
Do not interrupt the battery recalibration process. If recalibration is interrupted, you must start the process over again.

  1. Close all open files and programs.
  2. Connect your notebook to AC power and allow the battery to completely charge.
  3. Disconnect the AC power and restart your notebook.Note: If the power cord plug.gif or battery baticon.gif icon does not appear on the taskbar, click the show hidden icons showhidden.gif button. If the icon still does not appear, verify thatAlways show icon on the taskbar is checked on the Power Options Properties Advanced tab.

  4. Completely discharge the battery by doing the following:

    1. From the desktop, right-click on the power icon, then select Adjust Power Properties.
    2. Click the Power Schemes tab.
    3. Click the arrow button to open the Power Schemes list, then click Always On.
    4. Click the Alarms tab.
    5. Click to remove the check mark from the Low battery alarm and Critical battery alarm checkboxes. Let the battery drain until your notebook automatically turns off.

  5. After the battery is completely drained, reconnect your notebook to AC power.
  6. Charge the battery completely until the yellow battery status indicator goes out.
  7. When you are ready to use your notebook again, do the following:

    1. From the desktop, right-click on the power icon, then select Adjust Power Properties.
    2. Click the Power Schemes tab.
    3. Click the arrow button to open the Power Schemes list, then click Always On.
    4. Click the Alarms tab.
    5. Click to select the Low battery alarm and Critical battery alarm check boxes.

Mar 11, 2011 | Gateway Netbook N450

1 Answer

When I unplug the printer from my Dell Latitude D610 laptop, the battery icon appears on the bottom right hand corner instead of the "ON AC power" icon and the computers shut down due to a low battery....


Your AC power supply is not providing power - The printer is supplying your laptop with power via the usb port. When you unplug the printer, the laptop runs on battery until it goes dead. You will need another AC power supply,

Good Luck

Oct 03, 2010 | Dell Latitude D600 Notebook

1 Answer

Dell 9400 wont show AC power icon


If the computer is connected to an electrical outlet, the about10.jpg light operates as follows:
  • Solid green: The battery is charging.

  • Flashing green: The battery is almost fully charged.

If the computer is running on a battery, the about41.jpg light operates as follows:
  • Off: The battery is adequately charged (or the computer is turned off).

  • Flashing orange: The battery charge is low.

  • Solid orange: The battery charge is critically low.
Looks like the AC adaptor is faulty.

Aug 25, 2009 | Dell Inspiron 9400 Notebook

1 Answer

Hi Charlie, Thank you for your quick reply, The problem is I do not know how to check to see if it is a problem with the battery or if it is with the power cord. Although I am going off of the assumption...


A fast check to determine whether you have a problem with the power adapter, power cord or the laptop's battery is to turn off the laptop, remove the battery, connect the power adapter, turn on the laptop & see if it works.
If the laptop works directly from the power adapter with the battery removed, then the power adapter is good. In this case we can suspect that the battery is defective.

Jul 18, 2009 | Acer Aspire 3690-2196 Notebook

1 Answer

I have a toshiba laptop, and in the last few weeks something weird started happening. When the laptop is plugged into the AC, the power meter in windows tells me that the power source is still batteries,...


Change your AC charger.
It's NOT charging "When the laptop is plugged into the AC, the power meter in windows tells me that the power source is still batteries, and the battery level drops by about 1% every few hours"
That's the reason why: "battery has completely died"
If you do not change it you'll continue to "still it gives me the same low battery indication and will not turn on. "


Jan 04, 2009 | PC Laptops

1 Answer

Dell 620 Battery Issues


Chances are pretty good that your battery just needs to be replaced. Over time all rechargeable batteries loose their ability to hold a charge. It's also possible, but less likely, that there could be an issue with your AC power adapter or the charging circuitry inside the laptop.

Best bet would be to find a similar laptop with a battery that does charge and switch. If the problem follows the battery then you need a new one.

Dec 19, 2007 | Dell Latitude D620 Notebook

1 Answer

Charge problem!


It's one of two things, the more likely of the two is that that battery is totaly shot, laptop battery's are usually only good for 1.5 years then loose there ability to retain a charge. It sounds like that one's just done. Unfortunatly that those batterys cost more than there worth, 100 bucks or more. The second possibility is the power cord, is that the original power cord for that? Or was on that was bought aftermaket, some aftermarket chargers will only power your laptop and not charge. Also remove the battery and check for corrison. You can build your own battery fot a a laptop if got a few hours time, and are good with a soldering gun. You get the litium ion cells you need for about 40 bucks. Follow the below link for a step by step on how to build your own battery http://www.metacafe.com/watch/479447/laptop_battery_hack_youll_save/

Sep 30, 2007 | Acer Aspire 5100 Notebook

1 Answer

My PC won't run with ac /dc power!


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, witch 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. For more aditional info please post back. PS. Sorry for my bad english, I am from Romania, it is pretty hard for me to explain tehnical stuff in english.

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