I got the right info about toshiba portege 4000 battery on http://www.adapterlist.com/toshiba/portege-4000.htm toshiba portege 4000 battery but i not sure whether it will fit my notebook or not.

http://www.computerhope.com/issues/ch001302.htm
http://www.computerhope.com/issues/ch000235.htm

How to replace the CMOS battery in your laptop
http://www.youtube.com/watch?v=MTg8qhWKNpA http://www.irisvista.com/tech/laptops/ToshibaM205/Portege_M205_disassemble_1.htm Dismantle portege laptop
this might not be your specific laptop it might give you some insight into its removal i have provided an ebay link showing the cmos battery and its connection lead
http://www.ebay.com/itm/Toshiba-Portege-R500-CMOS-Battery-BIOS-System-Clock-RTC-/330629760910

Toshiba Portege A100 http://www.irisvista.com/tech/laptops/Toshiba-Portege-A100/remove-systemboard-replace-fan-1.htm Toshiba Portege A600 or A605 http://www.irisvista.com/tech/laptops/Toshiba-Portege-A600-A605/disassemble-laptop-1.htm Toshiba Portege M700 http://www.irisvista.com/tech/laptops/Toshiba-Portege-M700/take-apart-tablet-pc-1.htm Toshiba Qosimo F40 or F45 http://www.irisvista.com/tech/laptops/Toshiba-Qosmio-F40-F45/laptop-disassembly-1.htm Toshiba Qosimo G25 or G20 http://www.irisvista.com/tech/laptops/toshiba-qosmio-g25/replace-cooling-fans-1.htm Toshiba Qosimo X305 http://www.irisvista.com/tech/laptops/Toshiba-Qosmio-X305/laptop-disassembly-1.htm Toshiba Satellite 1955-S805 http://sites.google.com/site/electrochain/toshibafan Toshiba Satellite 2410 http://mardou.dyndns.org/Privat/homepage_cms.ns5/content/homepage_tutorials_toshiba_satellite_2410_-_luefter_tauschen.html?Open&lang= Toshiba Satellite A35 http://www.irisvista.com/tech/laptops/ToshibaA35/Satellite-A35-fixing-overheating.htm Toshiba Satellite A60 http://tech.icrontic.com/articles/clean_laptop_heatsink Toshiba Satellite A105 http://www.paulstravelpictures.com/Toshiba-Satellite-A105-Laptop-Overheating-Dust-Removal-Guide/index.html Toshiba Satellite P10 http://loblog.wordpress.com/2006/03/08/toshiba-p10-schaltet-sich-ab/ Toshiba Satellite P305D http://www.insidemylaptop.com/clean-cooling-fan-toshiba-satellite-p305d/ Toshiba Satellite X205 http://www.irisvista.com/tech/laptops/Toshiba-Satellite-X205/take-apart-laptop-1.htm List of a lot of pc fan repair guides:http://repair4laptop.org/notebook_fan.html

go to WWW.driverguide.com
and enter your model number,operating system.

You can do it in the following methodology

http://www.irisvista.com/tech/laptops/ToshibaM205/Portege_M205_disassemble_1.htm
http://www.irisvista.com/tech/laptops/ToshibaM205/Portege_M205_disassemble_2.htm
http://www.irisvista.com/tech/laptops/ToshibaM205/Portege_M205_disassemble_3.htm

Hello,

The only solution is to take the computer to a Toshiba Authorized Service Center to have the password reset. If you have registered ownership of the computer with Toshiba they will be able to help you for a fee.

Hope it helps.

my toshiba portege 3490CT is not working. i think the hard disk is damaged. i don't know what to do before a month there was a chance to see the option to select the boot option but now it is not working like that.
it totally can't start.
can you help me please?

Hello, yes Toshiba provides them free of charge. I have provide you a link, click on it, go to the website select the proper model and download the video/graphics driver you need and you should be good.
The link for your driver:
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/home.jsp?nav=Product%20Support

Please rate my solution, should you find it helpful.

You will ´find it here
http://www.toshiba-europe.com/computers/products/notebooks/portege3440/index.htm

Good luck to you

Nic

here it is..

good luck

http://www.network-drivers.com/drivers/151/151670.htm