Question about Toshiba Qosmio G25-AV513 Notebook

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Power failure laptop works fine then shuts down for no reason at all and won't start again unless i unplug the power lead and reinsert it?

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When I play my TV tuner on LIVE television, my Qosmio G25-AV513 will shut completely down after about 15 minutes. No lights will remain on and in about 3 minutes I will see lights and then can power it back up. I always hear a winding sound prior to its shut down. However, if I watch programs that I have recorded I can watch the whole program without any problems. I suspect I may need another fan. It makes a funny winding, stuttering, and hesitating sound more often now. I can configure regular PC's and would like to tackle replacing whatever I need to...

Posted on Jul 30, 2008

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Your laptop may become overheated and that is why it shuts down, make sure the laptop is on a hard service so that the fan can get air. hot weather can cause problems as well.

Posted on May 28, 2008

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I have a Proline W763S laptop and it won't start


Whats plugged into laptop ? Try unplugging any USB and any external VGA cables. Try holding down power button for 30 seconds and then try again. Also Try power button being held down for 30 seconds to shut down laptop and then remove power cord and battery and then reinsert them into laptop.

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For this kind of issue, please follow up the following steps to check:

1.confirm your Lenovo IdeaPad S10 ac adapter and battery connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includes two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:
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Laptop keeps shutting down


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My laptops shut down when i put the adapter and doesn't get start up , but it's work normally with betray


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

Reference: http://www.chargerbuy.com/blog/laptop-shuts-off-when-ac-adapter-plugged-in/

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My laptop was left with the top down and turned on. It was plugged in and when I opened it to use it again, the screen remained black. I tried using different keys but nothing would happen. I unplugged...


Hi, Nan.

Disconnect the power adapter, flip the laptop, unlock and remove the battery. Then, reinsert and lock the battery, connect the power adapter and try again.

Hope this helps.

Jul 30, 2011 | Toshiba Computers & Internet

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Hi.

Take out the AC power jack and then remove the laptop battery. Plug AC power back in and see if the laptop will turn on. If it turns on let it boot the operating system and then shut down as normal, remove the power cord and reinsert the battery and again see if it will switch on. If it does then there has been a glitch with the battery. If it doesn't then there is a problem with the battery.

If the laptop won't switch on either with or without the battery then there is a possibility that the motherboard has developed a problem.


Good luck.

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1 Answer

My laptop will not start up


Hi mgforlife, try this solution:

turn off the pc, unplug all the cables on your laptop , remove the battery
then press & hold the power button for 5 seconds. Then replug the cable and reinsert the battery on it. Turn on the pc and check if the video in full screen would work..

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Sounds Like Video Failure...
If you were Gaming On THat Laptop, You Probably Overstressed The Graphics Chip/GPU..

Other things that would cause the shut downs would be, Incorrect or Faulty AC Adapter, Make sure you use a 19.5v 90Watt.. Not the 65 Watt..

Failing or Bad Ram, Misseated RAM... Open port to RAM on underside of laptop, Pull The RAM and reseat it..

Make sure Hard Drive (s) are securely seated..

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