Question about Toshiba Satellite Pro L300 Notebook

1 Answer

My toshiba satellite L300 has no power

No power even if the power adapter is plugged. I have checked and tested the power adapter and its working. the power indicator of the laptop does not light to indicate power.

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  • 212 Answers

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

Posted on May 03, 2010

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3 Answers

Eveytime i charge my laptop, it automatically shut down, reboot and even hang,


Possible cause:

1. Power adapter failure.
2. Motherboard failure.

Possible troubleshooting steps and repair solution:

First of all, test the power adapter. Make sure the adapter outputs correct voltage. It's possible that the output voltage is not correct and the laptop shuts down to prevent the damage. Test your laptop with another known good power adapter.

If the problem still exists, even after replacing the adapter, most likely it's the motherboard failure. Replace the motherboard.

Jun 04, 2011 | Toshiba Satellite Pro L300 Notebook

1 Answer

No power when press the power button


After checking the ac adaptor and battery;

L300 series boot problems

L300 series laptops are very good normally but don't boot up if there is a device in the USB slot or a CD/DVD in the drive.
If it still refuses to POST, remove the AC Adapter, remove the battery and remove the hard drive.
Power the unit up without the hard drive and it should complete POST and complain that there is no hard drive. If that doesn't work remove AC adapter, ensure battery is disconnected and remove hard drive and RAM. Try again. If it still doesn't work, you have a mother board fault and it needs a service centre. www.Toshiba.com will help you out.
If it does work at one of the options, when you have closed the laptop down, replace the RAM first and test, then the Hard Drive.
Hope this fixes your problem.

Apr 02, 2011 | Toshiba Satellite Pro L300 Notebook

1 Answer

It works good on battery but when AC adaptor is plug in the laptop cuts out and restart by itself.


Problem description: The laptop shuts off when AC power adapter is plugged in. The laptop works fine on battery power but as soon as you connect it to AC adapter, the laptop turns off.
Possible cause: 1. Power adapter failure.
2. Motherboard failure.
Possible troubleshooting steps and repair solution: First of all, test the power adapter. Make sure the adapter outputs correct voltage. It's possible that the output voltage is not correct and the laptop shuts down to prevent the damage. Test your laptop with another known good power adapter.
Toshiba Satellite A305 AC Adapter
If the problem still exists, even after replacing the adapter, most likely it's the motherboard failure. Replace the motherboard.

Mar 11, 2011 | Toshiba Satellite A305-S6857, A305-S6858,...

1 Answer

When plugged in the laptop stops. but with back up power, it is working


If you mean it doesn't work on battery, change the battery. (Cheapest is on ebay). If you mean it won't work on the Adapter alone, change the Adapter. (Cheapest on ebay).
Or please clarify.

Jan 06, 2011 | Toshiba Satellite Pro L300 Notebook

2 Answers

TOSHIBA SATELLITE PRO L300: PSLBDG : PROBLEMS: 1) Restarts automatically when i plug in the power cord. However works fine in Battery. 2) Shuts down when i try to install graphics driver after a clean...


Replace the AC Adapter, (ebay from £10.00).
Did it come with XP on it? Mine came with Vista and there are conflicts with XP and graphic adapters. There is no XP driver for the ATI adapter in mine.
Go online to Toshiba and download all of the updated drivers that you require. A user friendly system.

Dec 22, 2010 | Toshiba Satellite Pro L300 Notebook

2 Answers

My toshiba l300 can't even power.the led lights are not coming on.i have tasted the charger and it's working


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.

Jul 22, 2010 | Toshiba Satellite Pro L300 Notebook

2 Answers

Toshiba Satellite L300 shuts down when ac power plugged in


How about this step, try to turn off the laptop itself. Remove the cables and battery just like what you did before, then press and hold the power button for 10 seconds. Then, reinsert the cables and battery on the laptop and then turn on the computer itself. If the laptop restarts, shuts down or freezes with the AC power cables, two things that you should seriously consider. It might be the power cable itself, AC cable port or the circuitry going to the motherboard. And since you have cleaned out the fan and heat sink, you have isolated that problem. Have you plug-in another power cable on your laptop? If yes, then check if it works. Otherwise, the main issue is that the AC port is loose or the circuitry of AC adapter going to the motherboard is not not working. You can re-open the unit and check the circuitry from the AC port going to the motherboard. You may check the circuitry from AC port to the power supply if it is ok. If symptom persist, please contact your local dealer...

Jul 03, 2010 | Toshiba Satellite Pro L300 Notebook

1 Answer

When I turn on my Toshiba Satellite Pro L300 nothing happens. The power(DC) and battery indicator lights are both ON but the screen remain black and hardly any vibration to show any device booting


1. you may have a non functioning adapter and it is not charging the battery
2. You may have a defective battery that needs replacement.
3.To see if the battery is defective take it to a laptop service tech to check with a new battery and have him also check the power adapter.

Jan 06, 2010 | Toshiba Satellite Pro L300 Notebook

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