Question about IBM ThinkPad R40 2722 Notebook

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R40 2724-BU1 Power Problem

My R40 ThinkPad will not run on battery power and yes it is a good battery which works great on other notebooks. The power indicator light in the back shows orange at all times and never shows charge (green), the notebook was working fine and sat for a couple of weeks, now the battery issue.

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  • zacian156 Nov 06, 2007

    Hi, I have the same issue, and th ac adaptor is working fine. When I run the IBM check on the battry, it says it is good and fully charged. If I remove the battery and run t same test, it says bo battery intalled. I guess this means thbattery is working, the ac adaptor is working etc.. Just won't run from the battery. Anyone have any further ideas? Thanks.

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Check the ac adapter. It seems your adapter is not charging it. Either the ac adapter or your dc port may be the problem. Is this the correct adapter, is it giving the correct voltage. These should be considered also.

 

Hope this helps you

Posted on Oct 21, 2007

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1 Answer

No power to my t41 ibm laptop
you can visit : http://www.batteries-world.co.uk/ibm-thinkpad-t41-laptop-battery.html , http://www.power-battery.co.uk/laptop/ibm/thinkpad-t41.htm , http://www.battery-chargers.org/laptop-batteries/ibm-thinkpad-t41.htm

to find one

Feb 23, 2012 | IBM ThinkPad T41 Notebook

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Dosent power on... Power pluged in and better installed.... but no hdd but it should go into bios.
try remove battery and charger then press power button for 25 seconds
- then if work good!
- if not do OKR
- OKR not working use recovery disk
- still not work call thinkpad and let them create a depot service for you

Mar 27, 2010 | IBM ThinkPad T30 2366 Notebook

1 Answer

Thinkpad t60 want power up. any ideas, beside the
The power jack inside the computer is U/S This needs to be replaced and is a job for a damn good diy'er, or a professional repairer.

Jan 05, 2010 | IBM ThinkPad T60 Notebook

1 Answer

IBM thinkpad T30.The power button turned on then nothing boot up power LED light is on.Some time it boot up and run but then it won't do it nextime after it been power off. Battery for BIOS is good, Main...
There could e a problem with the battery. 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 & needs to be replaced.

Try also to reseat the main components of the notebook: the battery, the AC adapter, the memory modules, & the hard drive.
After that try switching it on & see if the problem was fixed.

Nov 14, 2009 | IBM ThinkPad T30 2366 Notebook

1 Answer

Power connector of T40 think pad loosen
if you think your adapter really works fine then you have a  motherboard issue.

May 28, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

My ibm laptop contionusly beeps and says power scource is battery,when i press esc, it boots normally and shuts down in about 15 mins to half an hour
Either:
A. Bad battery
Or
B Bad power supply.

Sounds like the battery isnt charging correctly , the beeping is warning you it is running out of power.

Take the battery out , and boot normally with the ac adapter.

Does it work?

If yes, Get new battery. about 70-90 dollars.

If no. Get new ac adapter. 20-40 dollars.

links to parts

http://www.nextag.com/ibm-a21m-battery/search-html

http://www.nextag.com/serv/main/buyer/OutPDir.jsp?search=ibm+a21m+ac+adapter&x=0&y=0

http://www.laptopuniverse.com/product/02K6496-Laptop-Notebook-Power-Supply-AC-Adapter-For-IBM-Lenovo-Thinkpad-A21M-16V-60W-Part-02K6496/LU/36124/productDetails.html


Mar 03, 2009 | IBM ThinkPad A21m 2628 Notebook

1 Answer

X41 Tablet PC the battery shows good but computer will not work
Some times a battery can pickup a dead short, and even though it shows a charge it will not work. The other possibilty is the power management chip on the mother board. This chip allows the computer to charge the battery and switch from battery to AC. (Right now I have a Thinkpad that will only run on battery, bad PM chip) Try replacing the battery first, if that doesn't work, then unfortunately the motherboard will have to be replaced.

May 24, 2008 | IBM ThinkPad T40 2373 Notebook

1 Answer

Ibm thinkpad t20
Usually, hitting the 'F7" button while holding down the 'Fn' button (function button) will brighten your screen.

Also, if you're running on battery, to conserve battery power, most notebooks will dim the screen... you can override those settings by going into the control panel and into the power settings (easiest found on the old 'classic view').

If none of that works, your video display could be starting to go bad. Let us know how you fare and we'll go from there!

Good Luck!
MaggieB

Feb 21, 2008 | IBM ThinkPad T20 Notebook

1 Answer

QUESTON
Remove the battery. Check for voltage at the connector of the AC adapter. Plug adapter into the lap top and turn on. If it runs, yes, a new battery is needed.

When power up is attempted, does it make any sounds, can you hear the fan running or do any of the indicators light up? If so, you are getting power to the laptop. If not, you probably have an internal power supply problem.

Oct 18, 2007 | IBM ThinkPad T40 2373 Notebook

1 Answer

T23 Thinkpad could not power up
Your machine should run without the battery, just plug it into the power supply. You may check the powersupply itself. Maybe the power supply was bad and not the original battery. You can pickup one at a computer store. A universal costs around $100.00 to $120.00. The power supply is the (usually) the rectangle box that is part of the power cord. Let me know if that was it. Good Luck. Tim

Mar 15, 2007 | IBM ThinkPad T30 2366 Notebook

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