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Laptop starts and stops

Discussion in 'Windows XP' started by Organized-L, Aug 30, 2007.

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  1. Organized-L

    Organized-L Thread Starter

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    I am working on a Toshiba Satellite M45-S169 running Win XP It keeps shutting itself down. Basically, it will shut itself off with increasing frequency, and then, at some point, it will shut off and refuse to restart. When I try to start it, the fan turns on, but nothing else no hard drive, no monitor. If I hold down the power button, it will just continue to restart and do the same thing. It takes sometimes 20-30 tries to get it up and running again. Once it's on, it's okay, but obviously something is messed up. I have checked the hard drive with CHKDSK and all is ok. I used a program from Toshiba to check the memory, hard drive, video, audio etc and all is ok. The heatsink is not blocked and I don't see anything fried on the motherboard. Any suggestions would greatly appreciated. I am about to pull out my hair on this one. I forgot to mention I did a defrag and virus scan while the computer was up and running. I also checked msconfig to see if there was anything running that I could eliminate to correct the problem. I looked in control panel to be sure there were no unrecognized programs loaded.
    Thanks in advance.
     
  2. Organized-L

    Organized-L Thread Starter

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    I am working on a friends laptop, the M45-S169 with a similar problem. It starts, all lights are on and then the hard drive shuts off and all I see is a black screen. It won't let me use the recovery disk or the windows boot disk. It is as if the CD is not recognized once the hard drive stops. If anyone has any ideas that would be great.
    Thanks in advance.
     
  3. oshwyn5

    oshwyn5

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    I would suspect a battery and power brick issue.
    Have you tried charging it overnight?
    Have you tried running without battery?
    Running with battery and not power brick?
     
  4. Organized-L

    Organized-L Thread Starter

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    I am using the power supply. I also swapped out another toshiba power supply and that did not fix the problem. Still troubleshooting.
     
  5. caperjack

    caperjack

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    did you try booting to the recovery cd's,using them before windows starts !!!
     
  6. Organized-L

    Organized-L Thread Starter

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    I did and the laptop doesn't seem to see the CD drive.
    I also scanned with Ad-Aware and Spybot. Still troubleshooting.
     
  7. caperjack

    caperjack

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    trying to figure out how you scan for spyware on a laptop that shuts down.??
    For the cddrive to see recovery disk you amay need to go into bios to set cdrom as first boot device.
     
  8. Organized-L

    Organized-L Thread Starter

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    I can sympathize with you. I have been troubleshooting the same problem for 2 days steady. My friend's computer[Toshiba M45-S169] had been doing the on and off scenario for a couple of months. She asked me if I could take a look at it. I did a defrag, chkdsk, ran anti virus software, checked the control panel to be sure there are no unwanted programs listed, cleaned out the memory with pressurized air, reseated the hard drive, used the Windows XP boot CD as well as trying to reinstall Windows, checked the heatsink, power supply and verified all is well in msconfig. Still looking. I hope we both find the problem quickly. Good Luck. I will keep checking the forums to see if anyone else is in the same boat as we are.
     
  9. Organized-L

    Organized-L Thread Starter

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    Once I get the laptop up and running it will sometimes run for four hours and then shutdown so I have time to scan for viruses. I did go into the BIOS and changed to boot from CD first. Still looking for fix.
     
  10. Organized-L

    Organized-L Thread Starter

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    I did consider the power switch. It lights up each time I press it and the computer proceeds to try to start the HD then the HD light goes out and nothing else happens. I did take the case apart, looked at the switch and didn't see any loose connection.
     
  11. norton850

    norton850

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    That info would have been helpful. :) Intermittent problems are tough. I would try another power supply. It could also be a piece of hardware. Once it starts will it always restart that night if you shut it off.
     
  12. caperjack

    caperjack

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    have you use compressed air ,to clean heatsinc/fan and take the lid off and blow it out ,may just be overheating,also add new heatsinc compound to the cpu.
     
  13. Organized-L

    Organized-L Thread Starter

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    I am so bleary eyed looking at this problem I may have forgotten some of the steps I've done. Here is a list:
    defrgged, msconfig, chkdsk, antivirus scans, checked heatsink, power supply, memory, hard drive. Looked in control panel for strange programs that shouldn't be there. Changed BIOS to boot CD first and used WinXP recovery disk. Keep sending new suggestions, I am open to finding out how to correct this mystery.
     
  14. Organized-L

    Organized-L Thread Starter

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    Thanks for the suggestion, I did take the heatsink apart and it was nice and clean. I am beginning to think I am looking at a motherboard problem. I read on google that other people are experiencing similar problems with this model. One guy sent it back to Toshiba since it was in warranty, had the MB replaced twice and still has the problem. This problem just wants to be elusive. Now I am determinded to find the problem!
     
  15. norton850

    norton850

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    This is a preWindows loading hardware problem, so anything you do in Windows won't be important. In my last post there was a question at the end (I forget the question mark in the last sentence).
     
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