Question about Toshiba Satellite A75-S209 Notebook

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Toshiba boots up power light stays on and shuts down, bad m/b ?

I have tried new memory, removing the battery, and tested the charger, boots for about 8 seconds and shuts down. No display but does leave a line in the screen for about 10 seconds. The comp shuts down, fans turn off but the power light stays on. Could this be signs of a toshiba mother board

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  • hwyhmmr Mar 12, 2009

    I have checked, theer are two fans, they both fire up at boot and when it shuts down the fans shut off, it doesnt boot long enough for the cpu to over heat. I know it doesnt take long but it shuts down it 5-8 sec and the fans are running. Tanks for the input, im thinking a m/b

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I own a Laptop Toshiba Satellite A75-S2131.
This series have a problem with the cooling flow to the processor.
The processor overheats and the laptop shuts down.To solve this particular problem you must tear down the laptop and clean up the processor heatsink (you will find it totally plugged or partially dirty).
Find in the internet the step by step instructions (with photos) for dismantling this laptop. Do not forget to apply thermal paste between processor & heatsink.

I hope this solution helps.

Posted by MCampos

Posted on May 31, 2009

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Check if your cpu fan is working...that scenario is caused by overheat of processor

Posted on Mar 12, 2009

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HP Compaq Presario CQ60 Won't Charge


Three blinks in a row is the LED code for a memory issue.

Turn the laptop over, remove the panel over the RAM, remove the DIMMs (it will likely have 2 in it), place one in at a time and try powering the system on.


One of the two is likely bad although it is possible (although very unlikely) that both are bad. It should boot up when the good DIMM is in place. Once you have identified the bad one, buy a replacement or possible choose to upgrade the total amount of RAM.

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I have a 4-year-old HP Compaq Presario CQ60. Last night it shut itself down, due to low power, even though the charger was plugged in. Now, when the charger is plugged in the power supply indicator light...


It looks as if the LED code would indicate a memory issue. Three blinks in a row.

Turn the laptop over, remove the panel over the RAM, remove the DIMMs (it will likely have 2 in it), place one in at a time and try powering the system on.

One of the two is likely bad although it is possible (although very unlikely) that both are bad. It should boot up when the good DIMM is in place. Once you have identified the bad one, buy a replacement or possible choose to upgrade the total amount of RAM.

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1 Answer

It shut down automatily


Shuts down when? Immediately when you start trying to boot it? And if nothing ever posts on the lcd screen your problem is either the memory or the video card most likely.

When you plug in the power cord is there any lights whatsoever on the laptop, where the plug goes in or on the AC Adapter of the power cord?

When you press the power button do you hear fans running, hard drive spinning, lights on the computer, hear any beeps or lights constantly blinking, hear the DvD/CD drive click and the light on the drawer of the DvD/CD turn on for a second or two? If so the laptop is trying to boot or may have booted, but the screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with the laptop and why it is not booting. Most times it's a motherboard issue when you hear beeps or blinking lights continuous. Most times the problem is with the memory or Video Card. Count the Blinking Lights or Beeps and take note of their pattern (1 Long or 1 Long followed by 2 Short).

Maybe your power cord is bad if you don't get anything to happen whatsoever when you press the power button. And if that's true maybe you was operating off the battery the last time you had it on and since the power cord is bad, it was not charging the battery so the battery is drained and the power cord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove the Battery, then Press and Hold the power button for 30 seconds. After 30 seconds plug the power cord back in (leave the battery out) and hit the power button to see if it boots. If it does, you can put the battery back in and let it charge.


Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.


Maybe your memory is bad or the memory slot is bad.

Remove the Power Cord, Remove the Battery, Remove the cover that houses the memory on the bottom of the laptop then remove one of the memory chips. Set the chip aside then try rebooting the computer. If it boots, then you know the memory chip you set aside is bad so mark an x on it with an ink pen. If it fails to boot then move the chip to the next memory slot and try rebooting. If it fails take the chip out and set it aside, then put the other chip in and try booting it in both slots. If it boots, just to verify that the chip set aside is bad, mark an x on it and put it into the open memory chip slot and try booting.

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Remove the battery, hard drive, optical drive and memory. Install a known-good memory module. If the system starts up and complains about not finding a boot device, or just displays a blinking hyphen, one of the devices you removed is bad. Put in the battery and see if it continues to run. Shut down the system and reinstall one of the memory modules. Try it again. If it still starts up, shut it down, remove the battery again and put in the other memory module in place of the test unit.
Do the same with the remaining components (shut down and remove the battery before installing each part). Save the hard drive for last so you don't have to worry about messing up the operating system with the forced shutdowns. When the system fails to start, you've found your bad part. (If it won't start with all of the parts removed and test memory installed, the logic board has a failed part on it.)
Sometimes removing and reseating a memory module will fix the problem - that would happen automatically with the procedure I just described. Your User's Manual should have the instructions for replacing memory. I'd give you a download link and page number, but the Samsung support website says the SCH-R700 is a cell phone. Use the complete model number from the bar code sticker on the bottom.

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2 Answers

I shut down the laptop at once and i turned it on immediately.so only power light is on and the computer is not working.only black screen is seen.


Try this :

1. unplug the ac adapter and remove the battery .
2. press and hold power button for a minute
3. now put the battery back and plug in ac adapter
4. turn on the laptop now

it should work.

if not, try removing hard drive and memory modules then reinstall them back.

if the issue persists, your motherbord has gone bad.

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1 Answer

I have a toshiba satellite x205-s9349. It won't boot at all, no beep codes or screen. The fans start and the hard drive lights go on for a bout 4 seconds and then the fans turn off and nothing....


Try this
unplug plug the power cord and remove the battery and hold the power button for 45 seconds,Then reinstall the battery and and try to start the computer,

if it fails to start
unplug plug the power cord and remove the battery and hold the power button for 45 seconds and
remove the memory and any usb devices that may be plugged in,then start it,

If it starts

Allow it to load completely and then shut it down and install one memory stick and restart, if all is well after if loads completely, shut down again and install the other memory stick and restart, if all is well again wait until it loads completely and then plug in and allow to load each of the usb devices you may have

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2 Answers

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Try also taking out the hard drive and the dvd drive to make sure that they aren't shorting out the motherboard.

Also try another stick of memory besides the one that came with your laptop to be sure the memory isn't bad.

If after you do these steps you still can't get video then your motherboard is bad.

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