Question about Toshiba Satellite M35X-S109 Notebook

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Black screen, won't boot up, fan kicks on for a few seconds only, then powers down

When I attempt to turn on my laptop, there is a very faint image on the screen. It will load to the sign in page and then the laptop powers off. The fan kicks on for only a few seconds. Tried turning it on with only the battery and then plugged into the power source. Same thing happens. Any help would be greatly appreciated.

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  • flopyou Oct 17, 2008

    I tried plugging in an external monitor, but nothing happened.

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  • Toshiba Master
  • 1,250 Answers

Check the display on the external monitor through the vga port, if the display is fine , then its the problem of your laptop screen, some time this is due to the cable that gives display to the screen, take it to the technician and checks there
how do you like the solution rate it please

Posted on Oct 17, 2008

  • pankaj rautela
    pankaj rautela Oct 18, 2008

    CHECK THE RAM ALSO, IF THE PROBLEM REMAINS THE SAME, THEN ITS THE PROBLEM OF *********** BOARD

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Toshiba L745 laptop will not boot up. Get black screen and the hdd light is blinking. Cooling fan speeds up and slows down. Don't get any activity on it at all. Was working last time I used it about a week...


Unplug the power and take the battery out. plug it back in after 5 min then turn it on. see if you can see a faint image in the background. the LCD backlight could of went out.

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I have lenovo g550...my screen flickers in every 5minutes...


Failing Inverter An inverter, typically found inside a laptop computer, consists of a small board, which has impregnated electronic circuits stamped on it. Inverters look like thin boards about the of two sticks of chewing gum. The inverter and its bulb control the intensity of the liquid crystal display, which lights the screen monitor. The computer can control the output voltage of the inverter and either lighten or darken the screen. A special type of inverter can adjust the brightness of the screen by using an internal sensor to judge the room brightness, and then adjust the screen accordingly. Failing inverters give off some specific warning signs, which can be recognized by observing different screen characteristics.

Short Intermittent Display Upon turning on the laptop, the screen flashes on in the normal mode for a short period and then blinks to black. A very faint image appears in a dark background, which will be very hard to see almost invisible. After shutting off the laptop and restarting, the same mode occurs, where the screen appears normal for a few seconds then fades to black. This condition points to a failed inverter. To confirm this, plug in an operational external monitor; if the external monitor functions, the inverter has failed. b> Total Blackout with Ghost image b> The laptop turns on, as indicated by the power supply button, but the screen comes up black. The screen comes up black after restart. You might be able to detect a very dim or ghost-like image on the monitor. When you plug in a known functioning external monitor, the external monitor operates normally. This mode of display indicates a failed inverter. b> Long Term Periodic Operation b> With this failure mode, the laptop screen illuminates normally upon start-up and remains that way after several minutes, hours or even days, until it goes very dark again. Brightness controls or restoration attempts do not work. Most often, the screen will function normally with a computer restart, but will eventually return to black. Faint ghost images might appear, as seen in the total blackout mode. b> Dark With Color Variation b> Upon computer start-up, the monitor shows black or dark gray, accompanied by very faint images. The screen might have an intermittent color change, or remain on with a non-standard color variation, like pink or red. b> Auto Control Switch b> If the screen appears black, with no faint or ghost images, look for the lid switch near the back hinge. The switch, when depressed with a closed lid, shuts off the computer and monitor functions. Sometimes the switch becomes stuck in the closed position, disallowing the computer and monitor to turn on when opened. Pushing the switch manually several times can often free it up. If the switch tab has broken or jammed inside the case, it needs replacing. b> Loose Connection In this mode, the display looks normal upon start-up, but tapping the side case of the computer turns the screen black. More tapping results in the screen functioning normally then cutting out again. This condition points to a loose wire connection from the inverter to the LCD backlight lamp, or the video cable. The connectors can be accessed by removing the monitor bezel screws and pulling the plastic retainer off. Both connectors can be cleaned and refitted.

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I have an Insignia NS-LCD37 was working perfectly fine, all of a sudden the TV went black, I would turn the TV on and you would get the


Most likely you have a fault in the back light circuit. To verify this, turn on the set, when the screen goes black, take a bright flashlight and shine it on the screen. It may be easier to dim the lights in the room so that you can see the faint image on the screen. If you see the faint image, you indeed have a back light problem. You will need to get a diagnoses performed on the set to track down the problem

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Please my screen has been frozen on the boot page and i dont know what to do i paid $300 for it help please


Hi,
Remove the RAM access panel, you will see your ram chips and above these is the wlan controller and directly beside it a small black chip that says Nvidia. This is your graphics chip. We want to leave these COMPLETELY exposed at all times (you might as well get used to just not having the panel on for this fix).

From a cold start (i.e. the computer is completely off and unpowered) boot once, wait about 5-10 seconds. This will allow the motherboard to build up some heat... If you touch your graphics chipset you will notice it's started to warm up. Now go ahead and power the computer down, it's not going to boot on this attempt, but we got the solder warm.

Again power the computer on, and wait a few seconds. This time you should hear your fan magically kick on (assuming the fan is still working, as it is in mine). AFTER, and only after you hear the fan rev up to full speed, begin applying FIRM pressure with your index finger to the gpu (the black chip that says nvidia). Just wait a few seconds and voila, your HP POST screen magically appears.

I've had to do this with this laptop for nearly 2 years now. It never takes more than one to two tries to get it to start up. A word of warning: Do NOT close the screen, you only have about a 5% chance of it actually coming back on when you open it back up.

I'm aware this is a "quick and dirty" fix. If you have the patience and the cash you should just send it in to HP and have them fix it for you. If you have the skill, you should reflow the chip to the motherboard and fix the problem yourself.

If you're like me and you're lazy and broke, this fix will do the trick for the rest of the laptop's lifetime. :)

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Screen goes black after 15 minuts of use


There are a few things that will cause this. One is power saving settings and the other is screen savers and then hardware issues. The software or operating system just needs to have the setting adjusted to make it behave. If you just need to wiggle the mouse or hit a key and you get the monitor back then this is all it it is. Sometimes the operating system gets stupid or someone changes it so that it thinks it is a laptop and needs to save the battery. So it shuts down things. You can check and change the settings under control panel and power settings.

The other thigns that do this are hardware. You can have a video card or the monitor as th cause. A high end video card has a fan on it and can overheat. The monitor won;t have a fan but will have vents and they do get dusty inside which can make them overheat. In that case you need to blow or vacuum out the dust. The other common failure is the power supply for the backlight. When the backlight goes out you don;t see a normal image. You should see a very faint ghost like image. You will have to get close to the screen and a bit off to one side. The backlight sort of projects the image so you can see it, so when it goes off the image or desktop is still there but very faint. If you see the faint image then the problem is the backlight and or backlight power supply. This should also happen when the monitor is plugged into another computer.

This is covered under warrenty but if not the repair parts should cost between $45 and $75 plus labor. This is a simple repair so some people just order the parts from a repair depot (search for acer monitor repair parts to find them) and change them out.



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Hello,

If the fan is dead, then the laptop will shut itself off after a short while to prevent heat damage. It is normal for the fan to spin up when you turn on the laptop and then stop turning. The fan will kick in again when it is needed as heat builds up. The system fan has absolutely nothing to do with the lcd lighting up.......seriously.

If the laptop is running, but the screen goes dark after a few seconds, it sounds more like the backlight on the lcd panel is shot. From what you describe, I assume that your lcd is not 'lit up' at all, but you can see a faint image on the screen. If this is the case, then either the inverter board is shot, or the backlight for the lcd panel is dead. You can try calling Dell at 1-800-www-dell and try to purchase an inverter board. They are cheap, and it would be worth the gamble to buy one, because if the backlight is shot, then you need a new lcd panel - $350+ (the backlight is part of it and not replaceable). The inverter board is located at the bottom of the display module, right behind the dell logo at the bottom of the display. It's quite easy to get at.

Here's a good test. Shut the laptop off, and attach a computer monitor to the 15 pin vga connector at the left side of the laptop. Turn on the laptop and the monitor should show you an image. If not, try holding the blue 'fn' key and press and release the f8 key. This should switch you over to the external monitor. If the laptop works fine when connected to an external monitor but has no image, then it's definitely not the fan, and you should try an inverter board. If still no good with a new inverter board, you can still use the laptop with an external monitor.

Hope this helps!.......let me know how you make out.

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Try to connect to external monitor and see if you see anything. Of course when you do that you have to hold at the same time fn key and the key that has a blue picture of computer screen.

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