Toshiba Satellite Pro L300 Notebook Logo
Posted on Jul 22, 2010
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My toshiba l300 can't even power.the led lights are not coming on.i have tasted the charger and it's working

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  • Toshiba Master 32,281 Answers
  • Posted on Jul 22, 2010
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When you connect the power adapter into the laptop, does the power LED light up? If not then -
The battery adapter or the adapter's power lead or the laptop's power socket could be faulty.
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.

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  • Contributor 2 Answers
  • Posted on Feb 14, 2013
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No power & LED Light in Toshiba Satellite L300. I've tested the charger and battery they are working fine. And I've tested the onboard volts with multimeter it shows around 20volts. Sir I would like to know what component is the problem so that I can replace it with other same laptop?

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Dec 30, 2012 • Toshiba Satellite Pro L300 Notebook
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I have a Toshiba L300, when ever i connect the Adapter Chager, the laptop freezes and it give me a blue screen background (not BSOD). The laptop' working fine when it's running on battery powe
It sounds as if you need a new charger. Try removing the battery and start the machine with just the charger. If that works then it may be a new battery you need. Some toshiba notebooks have a 'power saver tool' preinstalled, which is used to monitor battery performance. You can download a copy here:
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Mar 29, 2012 • Toshiba Satellite Pro L300-EZ1004X...
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Laptop wont power up
when you know for sure the adapter is charging ..and the battery is good..but no power seam to be present ..than the motherboard is gone .... or some contact is issued somewhere on the primary entry of the power..cause if any power would go through the motherboard..than at least the power led would be on ..or the fan should be heard .If there isn't any ..than it is something wrong with the motherboard or with some fuses on the main power source way ..but its a long guess...more than probably it is the motherboard..to blame ..
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Nov 22, 2011 • Toshiba Satellite Pro L300 Notebook
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Jun 27, 2010 • Toshiba Satellite Pro L300-EZ1004X...
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My toshiba satellite L300 has no power
Please follow these steps VERY CAREFULLY:

1) Unplug the notebook from the ac adapter (charger power cord)

2) Take off the battery pack on the notebook

3) Once the ac adapter and battery is off the notebook, hold down the power button for 15 seconds

4) After 15 seconds, let go of the power button

5) Now plug in the AC ADAPTER (OR CHARGER POWER CORD) ONLY (DO NOT PUT BACK THE BATTERY PACK)

6) Now press the power button once.

7) If the unit boots, the unit suffered a slight surge

8) If the unit does not boot and remains dead, the unit suffered a severe surge and may be burned out and needs replacing

I hope this helps and let me know how it goes afterwards
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May 03, 2010 • Toshiba Satellite Pro L300 Notebook
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Toshiba Satellite L300 Will not start
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Feb 03, 2010 • Toshiba Satellite Pro L300 Notebook
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My laptop toshiba won't power up. When I connect my charger to the laptop the charger blinks continuously...then turns off. But the laptop won't work at all. The power led on the laptop doesn't even lights...
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Jan 11, 2010 • Acer Aspire 5610-4648 Notebook
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I have a Toshiba L300. The battery doesnt charge. When plugged in, no power is coming into the unit so cannot use.
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, until they won't charge up at all.
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.
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This can be repaired but it requires the laptop to be completely dismantled to get at this power socket and repair. I suggest you get a quote first.
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Nov 13, 2009 • Toshiba Satellite Pro L300 Notebook
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There is no power lights even when plugged in i push the power button and nothing happenes but there is power at thew end of the power cord it was working then nothing can enyone help mt
DID YOU CHECK THE CHARGER? CHECK FIRST USE TESTER TO CHECK IT.. THEN IF THE SAME PROBLEM CHECK THE POWER BUTTON IF NOT THE DC CONNECTOR YOU NEED TO OPEN THE UNIT IF UNDER WARRANTY BRING TO THE WARRANTY DONT OPEN IT....
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Sep 12, 2009 • Toshiba Satellite Pro L300-EZ1005V...
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