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I would verify you are getting the right voltage out of your AC adaptor with a meter. I believe it should be 15vdc. If you are not getting the correct voltage buy a new one off eBay and charge your battery.
If you are getting the right voltage but the unit doesn't power up, remove the battery and check its condition with a meter. If the battery is bad, you may be able to run the laptop with the AC adaptor only.
http://news.cnet.com/2300-17938_105-10000721-1.html Take look inside the Dell Adamo Photos Cracking open the Dell Adamo
A) Power On switch is no good. Power On switch is usually on a Power Button Board.
B) AC adapter (Charger) could be bad. Hasn't charged Battery either, so there is NO power going to the laptop.
AC adapter needs to be checked for output voltage. It's DC output voltage, and voltage depends on laptop. Usually 15 Volts to 19. If the laptop manufacturer name, and model number was stated, I could tell you.
C) DC Power Jack problems. The DC Power Jack is the jack on the laptop (DC_IN), that the AC adapter plugs into.
DC Power Jack either is soldered directly to the motherboard, or has wires attached that end in a small male plug. Unplugs from motherboard to remove, plugs back in to install.
D) Bad Power MOSFET's on the motherboard. Example using HP Pavilion dv6000 series, and Pavilion dv9000 series Notebook PC's,
Toshiba Satellite laptops come with a unique power management software program that regulates the power consumption of your laptop. While this program is often helpful in extending laptop battery time, the program is also known to cause some operational difficulties when software conflicts occur. At some point you may want to change your power options, or remove the program.
Click "Start" and then "Control Panel." Locate the "Toshiba Power Manager" program among the Control Panel icons. Note that this differs from the familiar Windows "Power Options" icon. Open the Power Manager application. If you want to merely modify the current settings, the Power Manager gives you many options to choose from. For maximum battery life, consider setting the Power Manager to put the laptop into various states of "sleep" after so many minutes of inactivity. Select the menu items offered to achieve power savings for the monitor or hard drive, or both. Click "Save Settings" and exit the program. Remove the Power Manager if your laptop is prone to "freezing" or seems to have difficulty "waking up" from a Sleep or Hibernation mode. Go to "Start" and "Control Panel" and choose "Add Remove Programs." Navigate to the "Toshiba Power Saver" listing. Click "Remove." When Windows is done scrubbing the program from the system, click "OK" and exit Control Panel. Reboot. The Windows on-board power management program will now take precedence over this function.
Also if your ac adapter(powercord)is bad, the touchpad/mouse sometimes will malfunction and become impossible to use or not work at all.Start with checking your ac adapter voltage or try another charger first.
Does the ac adapter have output voltage ,use a Voltage Ohm Meter (VOM),does the light change on the ac adapter when plugged into the laptop.If it does,the power controller circuit needs repair by a pro.
Always start with the simplest solution first so start by cleaning all the contacts, AC adapter laptop plug, laptop socket, laptop battery contacts and battery contacts.
How have you confirmed power output from the AC adapter? have you used a voltmeter to ensure you are getting power at the laptop end?
Have you used a voltmeter to test the battery?
Assuming you have tried all this don't forget that almost any component can interrupt power on some laptops, however you're 2 main culprits with this kind of problem are usually power controller (voltage regulator) and in some cases, on a laptop of this vintage, the charge controller built in to the battery.
Try it with a different battery if you have one.