Question about Toshiba NTBK|A70-S249 PSA70U-0CU00F PC Notebook

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Toshiba psa70u Black screen

The screen is not completly black if I hold the laptop to direct light I can see the image, but barely. I tried going into safe mode but it still had the same resolution. I also tried to brighten the screen but it did nothing. Is this the video card or monitor?

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Hi there
There is a bad connection or the backlight/inverter underneath the screen has gone, the fact that you can see the ghost image tells me that the video card is fine. Take it to a PC repair shop and have it sorted out, it should be fairly inexpensive to repair.
In the meantime you can use an external monitor with laptop until you can get it in for repairs

Good luck and thanks for using Fixya

Posted on Jan 15, 2009

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Try to boot in last good known configuration.issue might be with video card check it.

Posted on Jan 15, 2009

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1 Answer

My toshiba l355d black screen all fans and lights are working


There are several reasons that your Toshiba laptop screen may not come on, even if the laptop appears to be running, and several options you may try to get your screen back up and running without an expensive service call.


Common causes for a blank screen include a backlight that is turned off, a display toggled to an external monitor and improper shutdown errors.


To avoid blank screen errors after your current error is fixed, make sure to follow all instructions in your user's guide to care for your Toshiba computer.


Shine a flashlight directly at your screen and look for an image.

If you see one, this means the backlight on your laptop is off but the screen is still working. This backlight normally turns off only when your screen is closed.


Look for a small metal or plastic pin near one of the screen hinges.

The screen pushes this pin in when it is closed, so if the pin is stuck in the screen closed position, the backlight will remain off.


Tap the pin several times to release it.

You may need to use a small object, such as a pencil tip or straightened paper clip, to reach it on some models.


Monitor Toggle


Press and hold down the "Fn" key if you do not see an image when you use the flashlight.

Tap the "F5" key several times while the "Fn" key is pressed.


This will cycle your screen through the various options that toggle the display to an external monitor.


Attach an external monitor, restart the computer and try this method again if no image appears on the laptop screen.


Click "Start," "Control panel," "Hardware and sound," then "Device manager" using the external monitor if you get an image there but cannot toggle the image back to your LCD.


Select the "Monitor" option to expand your selection and select your LCD monitor from the device list.


Click the "Driver" tab and select "Update" to update the driver, as this error is likely caused by a software driver error.


Force Restart


Press and hold the power button until the computer shuts down completely.

Check the indicator lights at the edge of your laptop to see if the computer is truly off or if it has simply gone into hibernation mode.


If it is off, all lights will be off except the battery-related lights if you have a charger plugged in. In hibernation mode, the power light will blink slowly.


Press the power button to restart the computer again after leaving it off for 15 to 20 seconds. This may fix the problem.


If the blank screen returns or you get a flash of images and then a blank screen, move on to the next step.


Force Power Down


Unplug your laptop from the power source.

Remove the battery by pressing outward on the battery latch and pulling the battery unit completely out of the computer.


Press the power button several times to completely discharge the computer.

Replace the battery and plug the computer back in after about 30 seconds.


Press the power button to turn on the computer.

If you get an error screen upon startup, choose to restart Windows normally.


This error is caused by improper shutdown procedures.


Hope this helps




Nov 03, 2012 | Toshiba Satellite L355D-S7901 Series...

1 Answer

Toshiba A305-s6858 black screen


I have same problem with HP laptop, one of the things i did the first time was to take off the battery and press on/off button for twenty seconds, put the battery back and turn it on. That works for me and i hope to help you.
THX.

Apr 25, 2012 | Toshiba Satellite PSAG0U-02D00M Notebook

1 Answer

Screen has lines


More than likely the screen. The inverter normally causes things on the desktop to be barely visible. The whole screen looks black, but with a flashlight you can see the images are there when the inverter is bad.

Mar 22, 2012 | Toshiba Computers & Internet

1 Answer

Black screen


Usually when you see a reddish hue then black.....is indicative of an inverter or backlight failure. Hold the laptop up after it is started and look from the bottom toward the top. Try to shine a flasklight at the bottom of the screen upwards...see if you can see the windows startup screen or anything that gives an indication that the laptop is running and booted to where you can faintly see something on the screen. If you can barely make out an image, then 9 times out of 10 you need another inverter. There are rare occasions that a backlight bulb will fail, but this is rare and most backlight bulb failures are from shock damage. The inverter can be changed by simply removing the screen bezel, unplugging the inverter and changing it. If the bulb has been broken or burned out, it is more cost efficient to simply change out the lcd panel. The bulb sits in a channel under the lcd panels inside the aluminum framework. The panel has to be disassembled to remove it.

May 23, 2010 | Toshiba Satellite Notebook l505dls5005

1 Answer

Black Screen ALL MOST, some time it is ok, some time not.!!!!!!!


can you try to Attach an external monitor and check if it has the same problem on the external monitor?

Sep 12, 2009 | Toshiba Satellite M35X-S161 Notebook

1 Answer

Blank screen, lights on front and no toshiba load screen.


You need to hold down the FN button and hit F8, let go, then leave it for a couple of seconds and keep trying till an image comes up. and if that doesn't work, give it a try with all of the F buttons. OR you just have a broken laptop

May 04, 2009 | Toshiba Satellite A135-S2386 Notebook...

1 Answer

I can barely see information on my screen


this is really easy to fix
hold down the FN key (its blue)
then press F7
stop pressing it when the resolution is bright enough

Mar 09, 2009 | Toshiba Satellite A55-S1063 Notebook

3 Answers

Toshiba laptop


First test is hold a flashlight at an angle to the screen to see if there is a faint image. If you can see the image with the light then the problem is with the laptop's display, either the backlight went out or the inverter is bad.

Second test is to hook an external monitor by VGA cable. Image should be complete and in full color if the onboard video card is functioning.

Please post comment with results for more direction.

Jan 01, 2009 | Toshiba Satellite A135-S4527 Notebook

1 Answer

Toshiba setellite black out


Sounds like the back light on the screen isn't working properly which will need to be replaced if this is the case. Check for a very dark image on the screen when it is booting up in a well lit room, if you can see the computer start up then it is the back light.

Jun 25, 2008 | Toshiba Satellite A60 Notebook

1 Answer

Screen on Toshiba M35x S149 Laptop blank/flickers


Ok, from the beginning. Can you do a cold boot and get into the bios? (is there an image on the screen then)
Secondly, can you connect to an external monitor and see an image?
Did it do this only when it was heading in to hibernation? If so, it sounds like the power management needs some adjustment.
If there's no image on the external monitor, you may have a video/motherboard problem, or it still could be the operating system/power management.
It all depends on if you have video in bios.
Let me know.
Good luck

Nov 10, 2007 | Toshiba Satellite M35X-S349 Notebook

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