Question about Toshiba Satellite M30 Notebook

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Toshiba Laptop BSOD and powers off by itself

Troubleshooting some problems with a laptop. 

This system does NOT have the following issues:
-ac power jack malfunction
-cpu overheat
-chassis/shielding short circuits
-display problems, LCD connectivity or anything related

The problem:
-The computer simply shuts itself off after being moved just slightly, or it eventually powers itself off when use after 5 to 10 minutes of normal use.
-most likely something wrong with the motherboard

What i have attempted so far:
-Laying the laptop on its screen side has been the only way to get the laptop working continuously without powering itself off. I was able to have this computer running steadily for 3 hours while it was layed in this awkward position.
- this computer only runs properly in a certain position or it will not boot, sometimes slightly bending the mainboard upwards solves this, or putting something beneath the mainboard to apply just little pressure upwards (i used cardboard) has helped. I did my best not to put too much strain on the solder joints or traces which may cause a mircro-crack.

My theory & question:
1 The issue i believe is due to something wrong with the motherboard and is electrical in nature. Something has a poor electrical connection, a trace is damaged, or a component has a cold joint. How should i pinpoint the part of the mainboard that needs soldering? Which is the most likely component that has failed? I have taken a good look at this mainboard through a microscopic lense in an electronics lab, and i found nothing.

Posted by on

  • stejeda777
    stejeda777 Oct 19, 2008

    I posted 7 youtube videos that show what happens with my laptop, here's 2 below:
    I can try any of your suggestions and display them on youtube by request.




  • stejeda777
    stejeda777 Nov 06, 2008

    sorry i forgot to mention that ive fully tested the memory in the laptop, switching both chips and slots. PLus I have done software-based memory tests.

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Probabily you a malfuntion on some cable connection. Remove everyone then plug into place again.
That should fix it.
If don't you have a connection malfuntion on you motherboard, processor or memory, try memtest.org to download the memtest program and test all memory.

Best Regards,

Creon

Posted on Jan 20, 2009

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This seems like memory issue. Have you tried to replace the memory? Static electricity can cause this sort of errors. If you take out the battery, unplug it from power source completely and take out the memory and put it back, it might help, if it is caused by static electricity. Otherwise try to put it in different memory slot. 

Posted on Oct 31, 2008

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Posted on Jan 02, 2017

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Hi,

Welcome to FixYa!


Im very sorry to hear that, please follow these simple steps for you to be able to isolate the exact problem.


1. Removed the battery.
2. Connect the laptop directly to the power outlet without using the battery just for the meantime.
3. Turn on the laptop. If the laptop is able to power on, that means that the AC adapter is working fine as well as the DC port. If the laptop is not able to turn on, it maybe the AC adapter itself or the DC port.
4. Try to use another AC adapter if possible, make sure that that AC adapter is working fine. If the laptop is still not turning on, the problem is with the DC port itself. In that case, you will need to replaced the Motherboard itself.


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Toshiba A105-S4104 laptop restarts shortly after powering on. Replaced memory same issue, upgraded OS to Win 7 Pro by using another Toshiba laptop it works there with no problem. Put in A105 starts but...


If it completes the power on self test and reboots when starting windows, you are getting a BSOD, If you have a recovery disk or recovery partition on the hard drive, try a repair install of windows 7.

You are getting the BSOD because the hardware between the two laptops are different. Windows is looking for one thing and receiving an unexpected result. A repair install using the hardware windows will be running on will fix the problem

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My laptop turn off itself while loading



You may have a loose DC jack:

Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.

If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it's still under warranty, it would be fixed at no charge to you.



If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy New Year!

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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

3 Answers

It won't turn on


Hi. Try theses simple steps:

Remove the Battery
Remove the AC Adapter
Press/hold down power button for 10 seconds
Plug AC Adapter in and turn the computer on
If the system doesn't turn on still then there's a problem with your motherboard. and it might need replacement.

Jun 06, 2010 | IBM ThinkPad T40 2373 Notebook

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My daughters Toshiba satellite l505d will not boot up correctly. It starts but then nothing happens. What do I need to do. Have already taken battery out and restarted. Any help would be helpful.


Try the following.
1. Remove battery and plug in the AC Adapter and check if it works
If yes - Battery is defective
If no - Motherboard Problem/AC adapter

2. Check the AC adapter LED indicator if its lighted or not(double check by a multitester)
If lighted - it works properly
if not - replace
3. Try to reinstall WINDOWS operating system by the use of the installer CD
4. Reformat your computer and install necessary drivers and applications

Thanks. Cheers!

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Toshiba Satellite A200 unstable on power


The problem is probably not in the motherboard itself, but may be internal to the laptop.
From what you've described the problem is either in the AC Adapter itself or in the power supply inside the laptop (the area where you plug the AC adapter into the computer.
The first thing to try is another AC adapter if you can get a hold of one or purchase one if need be as it's the most likely source of the problem. More than likely it's providing enough power for the system to recognize it's attached and draw power from it, but there is likely a short inside it or the cords keep the power from being constant.
If you do not have a full adapter to test with, you can replace the end that plugs into the wall with and universal plug - something you can buy at major retail stores. The adapters take a lot of wear and tear and can be damaged from all the stuff we put them through.

Dec 25, 2009 | Computers & Internet

1 Answer

When i plug in the power cord, the lights do not come on at all that it is connected to ac power.


The only solution is try the laptop with another similar laptop's ac adaptor if that works issue is with the ac adaptor of your laptop else with the laptop itself

i hope you have tried changing the power socket already

Regards

Nov 30, 2009 | Toshiba Satellite A60 Notebook

2 Answers

Screen black & with no power


hi there,

you can follow this instruction and try to your laptop to resolved the problem.

A bad connection between DC-IN power jack on the system board and the system board is a very common problem with Toshiba Satellite M35X and Toshiba Satellite A70/A75 notebooks. If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN jack on the system board. If it’s still under warranty, it would be fixed at no charge to you.
Problem symptoms:
  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).
To fix the problem, you have to take your laptop apart, remove the system board to resoleder or replace the DC-IN jack. Toshiba Satellite M35X and Toshiba Satellite A70/A75 disassembly guides will help you to remove the system board. Take a closer look at the power jack on the system board with a magnifying glass. In most cases you get the power problem because of a bad connection between the DC jack and the system board, you’ll see a crack between the DC jack connector and the system board.
Here is an example of Toshiba Satellite M35X power jack. The crack occurs between the DC jack pin and the system board.
satellite-m35x-crack.jpg satellite-m35x-contact.jpg In some cases the connection is good, but the DC jack is bad itself. You can find a new DC jack for Toshiba Satellite M35X and Toshiba Satellite A70/A75 laptops here. Search for DC jack M35X or DC jack A75.
How to resolder laptop power jack yourself.
UPDATE:
Sometimes, after you replace the jack, you can see that the system board doesn’t get power at all. The battery will not charge and the power LED will not light when you plug in the AC adapter. So, here’s a possible explanation.
When a connection between the positive pin and the motherboard breaks (cracks), the power jack gets loose. You can feel it when you plug in the adapter plug. A loose power jack can damage the trace inside the hole in the system board. Take a look at the picture.
power-jack.gif As you see, the positive pin goes through the hole in the system board and you solder it on the top side. Right? What if the trace between the top side and the bottom side is broken somewhere inside the hole? I’ve seen it before a few times. In this case everything looks nice and clean on the top side. When you plug in the AC adapter, you get normal voltage readings between “+” and “-“ pins on the top side, but the power DOESN’T go to the motherboard at all, because there is no connection between the top and bottom sides. Test with a multimeter if there is a connection between the top and the bottom.
If the trace inside the hole is broken you still can fix it. You can run a wire to connect the top and the bottom sides. Be careful not to short something on the board.
Update:
Here’s another solution to fix the power jack problem, it shows how to relocate the power jack outside the laptop base. Check it out here: Toshiba Satellite A75 failed power jack workaround.
When you repair a loose power jack, it’s a good idea to check the jack on both sides of the motherboard. When you remove the top cover from a Toshiba Satellite A70/A75 laptop you can see only points where the jack is soldered to the motherboard as it shown on the second picture in this post, but you cannot see the jack itself as it shown on the first picture.
Removing the motherboard from Satellite A70/A75 laptop is a good idea because the jack itself might has a broken “+” pin, as it shown on the picture below. If the “+” broke off the base, you’ll have to replace the jack.
power-jack-broken.jpg

Feb 15, 2009 | Toshiba Satellite A75-S229 Notebook

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