Question about Toshiba Satellite M30 Notebook

4 Answers

Toshiba Satellite M30 PSM30A-OQRM1P no go

Hi Guy's, I have a Toshiba M30 Laptop which will not start up at all. The following describes it's condition.I understand it was intermittant before I got it, some times taking a long time to boot and sometimes sopping when laptop moved.Will not start up.Blue Power In LED onBlue Computer On LED on when on when on switch is pressed and goes off when on button held down.Orange Battery Charge LED onKeyboard Function Green LED can switch on and off when used with F10 & F11CD/DVD starts running when CD installed –runs up to full speed then stops. – Audio will not play when front CD controls are used.No light or activity on LCD screenNo CPU FanNo voltage on USB socket (USB mouse has no LED light)Touch pad and computer underside gets warm (Battery charger ?)Power can be turned off by holding down the power on button – then blue power LED goes out leaving DC IN and Charge on Charge LED goes out when battery removedNo sound of any hard drive activityNo LED’s for HD, WiFi, CD etc although CD will flash briefly when power is first turned on. If the hard disk is removed it’s blue LED lights up permanentlyNo Caps Lock LEDRAM chips appear warm when touched but this could be from charger circuitsStill does not operate if CD module and battery removedI have not yet got at the mother board but would appreciate any comments from technicians and if there is anywhere one can get a circuit (or even a block diagram) would help me understand what happens when power is applied

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  • eddier Nov 16, 2007

    Hi, Thanks for suggestions. Unfortunately I am currentl\y away from home and do not have access to my Scope and multimeter. It has booted itself a few times since my query.When it happened, HD lamp flashed, screen lit up and it went through normal XP boot. Screen was slightly duller than I expected but everything ran - however it soon stopped and rebooted. Was able to get into Bios setup fine. It booted maybe 10 times in all. Since then back to original fault even after many tries.

    I think you are on the right track re power voltage but of course not able to check for a month or so. Have removed case screws and twisted (Gentley) the boards with no result. Agree about removing Bat as these things have massive current capability.

    Thanks for your comments. Having worked in electronics for some 40 years I appreciate the possible problems.

  • eddier Nov 19, 2007

    I have now found it is definitely mechanical and keeping the board pressed on the LH front it will work every time. When I get home I will take it apart and check for dry joints - I have had years of experiance at this !!

    Thanks for the comments.

    Now i have it going, I find I have no control of the brightness as the program HWsetup that Toshiba supply so that you can use the Fn + F6 - F& keys is missing. It is one program that is NOT available of the Toshiba web site. I really need a recovery disk for XP prof.

  • eddier Nov 19, 2007

    Thanks for that, I can find the Fn drivers that allow you to set any Fn key for program shortcuts but can not find the Hwsetup for the M30 that allows all the Toshiba shortcuts such as F1 hide screen, F6 brightness up, F7 brightness down and several others. I have certainly Googled all over the world Toshiba sites and many others as well


  • eddier Nov 21, 2007

    Hi Guy's - thanks for all the comments. Computer is now going as well as can be expected till I get home and fix the board properly.

    I have found the suitable download files and brightness is now working as well as CPU speed stepping etc. The solution is you need 2 files. Power saver (whick will not install without having COMMON utilities first) with these 2 everything is fine.


  • stejeda777
    stejeda777 Dec 22, 2007

    Hi, i almost have the same problem as you i think, i was just looking around after having posted this problem myself on fixya. But anyway ill tell you my story.

    This laptop will not power up when it is placed normally in horizontal position. However when the laptop is placed vertically it will run perfectly. Usually if i move the laptop the computer shuts off power instantly or has a blue screen of death.

    What should i do, i am certain the problem is electrical in nature. Does the laptop require insulation or shielding in certain spots. Any suggestions?

    Using a electronics lab microscope i could not find any signs of cracks or bad solder joints. All IC chips on the motherboard are good, all traces seem to be fine, no scratches either. Is something causing the motherboard to short out?

  • stejeda777
    stejeda777 Dec 22, 2007

    Sorry by the way, my laptop model is a satellite m30 psm30c-7101U. I know its not an overheating problem, or a power jack issue since the computer shuts itself off when i move it around even with a fully charge battery. My suspicion is that something is shorting out the motherboard everytime i move it, maybe its making contact with a metal part on the chassis. Or there's some kind of microcrack or something that i haven't been able to find visually that is causing a fault whenever strain is applied. Any advice would be greatly appreciated, i hope the video provides some insight.

    Also.. when i stripped the laptop down to its bare parts, motherboard, switch memory, hard drive, external display and keyboard. I still have problems turning it on.

    • Some one told me to check the connection between the LCD monitor and the monitor as well, is that a good idea?

    • Do i need to put shielding? does this procedure seem like a good thing to try?

  • eddier Dec 25, 2007

    Hi Stejeda777 - thanks for the video. Now I am home and have had a chance to really study this problem, I am (so far) unable to locate the actual fault. Having spent most of my working life designing and serviceing PCB's, I thought this would be one of the larger components (Coil, capacitor etc) that had become unsoldered - a typical "dry Joint" However, I find this mother board is one of the early "Lead free" soldered boards. Frankly, no matter what people say, lead free is not as good as lead solder as it does not appear to wet the joints properly. Having gone over this board with a large magnifying glass headset I am unable to locate the dry joint. I am unfortunately now feeling the problem is an unsolderd joint UNDER one of the multi pin I.C.'s. (there are 3 of these) I can understand why your cardboard works but with mine I need just a little more pressure downwards on the LH front edge near the PCMCIA/SD card slot. If I leave the board free, just sitting in it's case it will usually work. But once mounted firmly back in it's case will only work with quite a bit of pressure on the LH front side.

    I am loath to throw this away as it works well when operating. By the way, I am sure it is not a short in the board/case.


  • Sampaio Jun 18, 2008

    some water drops fells on the keybaord and I didnt desconect its not start at all some people says is the motherboard other says is the graphic board Im so the motherboard and the graphicboard assembled I mean together

  • Anonymous Jan 18, 2009

    same problem with the brightness where did you get the files for the bright ness control?



4 Answers

Hii the fn tab in the keyboard is nt working can anyone help pls

Posted on Jun 04, 2008

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I solved my problem by sticking a piece of cardboard just beneath the motherboard, don't worry if it causes the motherboard to bend upwards a little. Its been working very well for the past couple hours straight. I explain it a little in this video.

This works if you find yourself pressing down on some spots on the laptop/chassis/mobo just to get it to power up. This method also repaired my old IPOD when it was having trouble with its PCB.

Posted on Dec 23, 2007

  • 2 more comments 
  • stejeda777
    stejeda777 Dec 24, 2007

    Heres another video, sorry i couldn't embed it. its just showing that the laptop works and an explanation of what i did.

  • stejeda777
    stejeda777 Dec 24, 2007

    This is what originally what my laptop did whenever i moved it. It would only work standing on its LCD screen

  • stejeda777
    stejeda777 Dec 26, 2007

    Attempt this solution if you have already determined the following 4 most common problems are not causes:

    A. your laptop's power jack is not the kind that is soldered to the motherboard

    B. the chassis is not shorting out something with the motherboard

    C the cpu is not overheating due to dust, lack of thermal paste

    D motherboard cracks, desoldered joints or bad IC's

  • stejeda777
    stejeda777 Dec 27, 2008

    The carboard was only a temporary solution folks... so please try Eddie's advice it may save your laptop's motherboard. Now i have to hunt down those cold, or cracked solder joints



I don't have a solution, but the same thing happened to my model (identical brand). You would think they are set to glitch at the same time!
I am going to take it to a technician, as I have not dabbled in computer hardware much.
Your post was really helpful though.
Thank you!

Posted on Nov 21, 2007

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  • 85 Answers

Sure sounds like powerline troubles. Be aware that fixing these kinds of problems are risky, so be careful and know you might trash it by accident by following the suggestions below.

Remove the battery completely throughout all testing.

First check and make sure the powerpack is outputting the right voltage, if not, you have a bad power supply. If that's okay, and you can get it to boot up at all, trying twisting the body of the laptop lightly, jus a little, diagonally. If the laptop shuts down or locks up, you have a motherboard problem or bad cabling somewhere.

My opinion only: from the description it sounds like you have a power short on the motherboard where it contacts some part of the case. Try removing all screws on the underside of the case and rebooting. If this does not work, unplug it and try to loosen the motherboard mounts slightly by removing the retaining screws and the ones that hold the keyboard assembly in. Then try to start it up again. I would guess that at some point it will start up and work normally, and from there you need to try to identify where the problem is. I have fixed this type of problem before by lightly insulating the separate component boards from eachother and the case contacts with spacers made of double sided foam sticky tape, and reassembling. This is just a guess, but was what went wrong with my Toshiba Portege.

Good luck...

PS: If the laptop has any add-in cards like a network card, remove them before testing

Posted on Nov 16, 2007


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