Question about Toshiba P25-S670 Notebook

8 Answers

Laptop Power Issues

I have had this Toshiba laptop since late 2004 and never had any problems (besides occasionally overheating) until about a year ago. The laptop has remained dormant since then and I have put this problem off for awhile but it's time to hopefully get this issue resolved. I will try to be as clear and concise as possible.

The original charger was damaged so I bought a new, generic version about a year ago. It was all downhill after that. The computer would turn on for a few minutes and then shut off with no warning (I have seen this problem in another post) almost like it was overheating. All three lights on the front of the laptop would light up and then shut off except for the green ac adapter light so it was recognizing that it was still plugged in to the wall. The orange battery light would blink sporadically and then shut off as if the connection was spotty and not getting through. After only a month or two the charger began to act up and the sound of crackling live electricity could be heard coming from it. I figured the problem had to be the ac adapter.

I just bought a new charger about 2 days ago and gave it a try tonight. The computer started up, ran for about 10-15 minutes without issue although it was very slow. All of a sudden it shut off again. The battery had been charging during this time and got up to a 9% charge. Upon starting the laptop up again, the charge dropped to 5% and then 0%. The orange battery light began methodically staying lit as orange and then blink 2-3 times and go dark. This continued for about 5-10 minutes. At this point I thought it may be a dead battery. However, now the laptop is still plugged in but none of the lights are lit up and the power button will not respond.

The charger seems to work fine so I ruled that out. I then figured it was a dead battery but the laptop should still power on even if the battery is out and it is plugged in to the wall, correct? Short of ordering a new battery and trying that I am not sure what else to do. Could it be an internal power connection problem that can't be solved with a new charger or battery?

Any help would be greatly appreciated. Thanks.

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  • 4 more comments 
  • styce Feb 05, 2008

    Thanks for the comments.

    An update on what's happening. I have left the laptop plugged into the wall without the battery (the tv tuner in its place). The ac power light has been lit for about a day or two. I just tried to put the battery in and the laptop turned on and all three lights lit up. The battery light glowed orange for about 5 minutes as I started the laptop up in safe mode. It never held a charge. I performed a few tasks until the laptop again shut off without warning (~7-8 minutes). The ac light remains lit however.

    You may be on to something with the battery gobbling up power from the charger. I am going to order a new battery (which I probably should do anyway considering the original is so old) and see how the laptop responds. This seems like the most logical next step before taking it in to the shop.

    Also, the charger I have is 19V and 6.3 Amps so that matches up. I am looking on-line right now and am trying to choose between a battery which is DC 14.8V & 6450 mAH or the DC 14.8V & 6600 mAH. The former possesses the specs on my ol battery but in my internet travels I have seen the latter as being compatable with my laptop as well (it is cheaper too). Is there a significant difference in terms of the mAH levels and the effect on the laptop?

    Thanks again for you help.

  • styce Feb 13, 2008

    Update: I just received my new battery and upon plugging in the laptop with the new battery in place, both the green ac power connection light and the orange battery charging light came on. I let it sit for about 20 minutes and then started it up. The computer ran on its own for about 5 minutes before the battery light turned off and then the laptop itself shut off about 5 minutes after that. Now, the laptop is showing no lights on (even when the ac cord is plugged in) and the power button won't respond. I unplugged the ac cord and plugged it back in and the green light came on. The power button then responded but the laptop quickly shutdown again. Very odd. I feel like some internal connection must be off for this type of thing to keep happening. Any more ideas short of shipping this thing to Toshiba?


  • styce Feb 13, 2008

    I read your comment and decided to be more patient so I left the laptop plugged in all night. The battery light somehow remained lit up as orange all night signaling that it was in fact charging. I am not sure why it decided to stay light all of a sudden after beginning the night very unreliably. When I awoke this morning, the battery light had turned green meaning a full charge (it had been charging for about 10 hours). This was exciting as I had not seen this happen in almost a year. The laptop turned on fine and ran well with all the lights on for about 10 minutes. Then the battery light went out. The battery charge read 100% and even when I unplugged the ac cord, the laptop continued to run fine - even though the battery light was still dark it had accepted a charge and was working. The charge of the battery decreased at a normal pace and was about 50% when I left for work this morning. I tried plugging the ac cord back in before I left and the battery and the battery light would still not accept a charge/light up. Why would the battery initially accept a full charge and then not recognize the ac cord? Any ideas?

    I am letting the power drain completely from the battery and then I will charge it up again when I return home. Thanks for responding so quickly last time.

  • styce Feb 19, 2008

    Sorry I posted this as a solution #2 - Hey there again, after a few days of testing out the battery I am still unsure of the problem. If the laptop is off and the ac power cord is then plugged in, the battery will charge to 100%. Once the laptop is turned on however, the battery light will switch off and the battery will drain down to nothing and finally the laptop shuts off. The whole time, the power icon says the laptop is running on AC power yet the battery still drains. The battery will not charge again until the ac power cord is unplugged and plugged back in while it is off. This is the most consistent the machine has been in awhile but it is still odd that it's not recognizing that it is plugged in when powered on. Any more ideas? Thanks again for your help.

  • styce May 29, 2008

    Hey everyone, I never did end up solving the problem. I bought a brand new ac adapter and a new battery but it still has the same problem. It charges for a bit (when it's off) and then once the power is turned on, the orange battery light will turn off causing the machine to shut down immediately (or shortly thereafter). Only when the cord is unplugged and then reinserted will the battery even think about charging but the response is spotty. I try jiggling the adapter once it's in but the results are mixed. The issue may in fact be a faulty dc jack but short of taking it to a repair shop or sending it to Toshiba I can't confirm this.

    All I can say is that the laptop often shut down on its own within a year or two of purchasing it and I thought this may be because of overheating or too much dust being taking in by the numerous fans. I ended up elevating the laptop off my desk and this solved that problem. The current problem started after tripping over the wire and denting the dc jack a little bit. I always thought a faulty jack may be the problem but never wanted to send it in to Toshiba for repairs.

    I haven't tried to use it in about a month though. I will check it right now and post any changes in the situation.

  • Matt33333 Jul 08, 2008

    I've got the exact same problem with my Toshiba Satellite... have gone through 2 adapters with the second one making a crackling electric noise... now considering buying a new battery. I never did see a solution posted on here. Any ideas?



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My probleams is when starting pc and at that moment laptop noise create so whats i can do piz given reply

Posted on Nov 03, 2009

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The laptop shut down unexpected the first turn on, but working good the last open? It cause as the mainboard heat too hot and the power supply fan problem. You may clean the ash of power supply fan and change a new fan for your laptop mainboard. Or you can dip some lubricating oil into the fan.
After doing this if the problem cant be solved, please change a laptop battery, as the precarious power can damage your laptop. See more laptop battery replacement in

That's all i know, hope it can help you. Good luck

Posted on Dec 18, 2008


Bad motherboard transfering

Posted on Jun 16, 2008

Did you ever figure it out? I have the same problem on my laptop

Posted on May 28, 2008

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Have you checked the power options in the control panel, if set incorrectly they could cause problems. Also are you having any problems with the ac adapter plugging into the dc jack and being loose in anyway, if so you might need a new dc jack which is a costly repair but is still better than buying a new laptop. If you are good with a soldering iorn and have a steady hand and follow directions well you can do it yourself for around 8-15 dollars. Otherwise it will cost you 200- 300 dollars to fix. Email me @ if u need more explaining.

Posted on May 28, 2008

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Hi! I have the same problem with a Dell Inspiron 1100. Turn it on and after a while, it shuts itself off. Last like 10 or so minutes. Tried to back up files off the hard disk and now after you power it on, it shuts itself off after 5 seconds! I removed the battery and ran it on AC power - same thing - power it on, it turns itself off after 5 seconds.

Any clues?

Thanks for help!


Posted on Mar 06, 2008

Hey there again, after a few days of testing out the battery I am still unsure of the problem. If the laptop is off and the ac power cord is then plugged in, the battery will charge to 100%. Once the laptop is turned on however, the battery light will switch off and the battery will drain down to nothing and finally the laptop shuts off. The whole time, the power icon says the laptop is running on AC power yet the battery still drains. The battery will not charge again until the ac power cord is unplugged and plugged back in while it is off. This is the most consistent the machine has been in awhile but it is still odd that it's not recognizing that it is plugged in when powered on. Any more ideas? Thanks again for your help.

Posted on Feb 19, 2008

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Most laptop batteries would die out after a year or two. None the less, the laptop should work with or without the batteries.

In some instances, the batteries have deteriorated to the point that it will gobble up the power from the charger denying sufficient juice for the laptop's use. The temporary workaround is to use the laptop without the batteries. if removing the battery and the unit powers up/works, then you have verified that indeed it is the battery causing you problems.

If even without the battery the unit will not operated, you can suspect the charger not 100% compatible with your laptop. If it is an original charger, then you can conclude that something is wrong inside the Toshiba.

I understand that the original charger intended for a Toshiba P25-S670 is 19VoltsDC. 6.3Amperes (120Watts).

Hope this be of some help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

Posted on Feb 02, 2008

  • 2 more comments 
  • Louie  Role
    Louie Role Feb 05, 2008

    Hi again Styce,

    Appreciate the update and you're more than welcome.

    The only difference between the DC 14.8V & 6450 mAH and the DC 14.8V & 6600 mAH is that the latter technically should last longer. If this would be cheaper, it would be to your advantage to get the 6600mAH.

    There is no significant effect on the laptop's performance other than increase in length of time of usage.


  • Louie  Role
    Louie Role Feb 05, 2008

    If I may add,

    New batteries would be better off having a continuous initial charge of at least 16 hours.

  • Louie  Role
    Louie Role Feb 13, 2008

    and hello again Styce,

    Most new batteries need to be charged a loooong time just to get them to speed. Thereafter you would be back to normal power usage and depletion.

  • Louie  Role
    Louie Role Feb 14, 2008

    There has been several issues with laptop battery being manufactured by another firm for the laptop company. What is to be realized by us users is that the life/usefulness of the battery starts to countdown the moment it leaves the factory even before it is received by the laptop company or the reseller, dealer, wholeseller, importer.

    As in your case, perhaps what would be needed is to exercise the battery and allow it to settle to a normal pattern of charge/discharge-use.

    Some batteries are also intelligent in a way. They automatically disconnect any charging when they reach a certain temperature on the assumption that at certain temp, then it has fully charge.

    In any case, pls add more to your patience and give the battery a chance to settle in into its new home.


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