my computer screen shows nothing

January 7, 2015 at 14:37:50
Specs: toshiba satellite
I normally put my computer to hibernate, so I could complete my work in the morning. I did so last night and when I tried to turn on my laptop, it only showed lights the fan seemed to work well, but nothing showed on the screen. I tried taking off the battery, pressing my finger on the power button for 60 seconds, turning it back on, putting the battery back. Etc. But it still won't show nothing on the screen. Its completely black!!! I need help ASAP!!!!

See More: my computer screen shows nothing

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#1
January 7, 2015 at 14:50:52
To isolate the problem, plug in an external monitor & see if it works.

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#2
January 7, 2015 at 14:59:05
If you never see anything on the screen it is a hardware fault.

There are many possibilities, one common one is that the ribbon cable between the motherboard and the screen has failed around the hinge area due to lid opening and closing. Sometimes the connectors at either end can work loose too. With the computer running, slowly lower the lid and see if anything ever flashes up on the screen. If it does then it is most likely one of the above.

Another way to narrow things down is to try an external monitor on it. If that works then it points to the above cable and connections, or the latptop screen itself. If an external monitor doesn't work either, then the possibilities widen. Most likely something has failed inside because it seems from your description that the power adapter is working.

Running a Live Linux CD on it can often help in diagnosis but see how you get on with the previous suggestions first.

EDIT: Johnw, we overlapped (mine took too long to type).

Always pop back and let us know the outcome - thanks

message edited by Derek


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#3
January 7, 2015 at 15:18:04
Were you running on battery or AC adapter at the time? If battery, charge for 8 to 12 hours.

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Related Solutions

#4
January 7, 2015 at 15:18:12
I tried the external monitor thing, as you suggested but it still won't work. Awww does this mean there is something wrong internally???? I wouldn't want to buy a new laptop!?? I have some files on this computer, which I need. :(

message edited by jasmain


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#5
January 7, 2015 at 15:22:14
Yes I always charge my laptop, when am using it

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#6
January 7, 2015 at 15:41:59
Data (files) on the drive can be recovered variously - and for free. The drive is simply removed from where it is now and connected to another working computer via usb (adapter cables, or a dock, or an enclosure).

When you tried the external display, did you check you had routed the display signal to external monitor (via the function key combination for your laptop)?

What is the exact model Toshiba Satellite you have?

Also have you tried to boot up with Linux dvd as suggested by Derek? You create that dvd by going to ubuntu.com; download the ISO file and burn to dvd. Then boot with that dvd. If still no display on the main screen then it pretty well points to an internal problem in the laptop. This can be a loose connection; a broken ribbon connector between the motherboard and main screen; a faulty screen itself; a loose display adapter; and failed display adapter... The linux boot would at least give some indication of what may be be amiss which is why we suggest you try that as a diagnostic...


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#7
January 7, 2015 at 15:43:46
"does this mean there is something wrong internally"
From what you've said it seems like it.

If you run a Live Linux CD on it then you will be able to retrieve your files provided that the motherboard and RAM are working. You also might be able to find out more about what components are working. This does not install Linux on the system but simply runs between CD and RAM.

If you want to try this first let us know if your computer has a CD drive. If not it should be possible to run it from a flash (pen) drive I won't be around until tomorrow but someone else on here might pursue this with you in the meantime (or have some other ideas).

EDIT: I overlapped again.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#8
January 7, 2015 at 15:45:14
Why is my screen black when I start Windows 7?
http://windows.microsoft.com/en-US/...

Black Screen on Boot
http://support.microsoft.com/kb/155053

message edited by Johnw


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#9
January 7, 2015 at 15:50:20
Another tool to use.

Install this on an usb thumb drive.

Lazesoft Recovery Suite Home Edition
http://www.softpedia.com/get/System...
http://www.lazesoft.com/lazesoft-re...
Tutorials
http://www.lazesoft.com/guide.html
Screenshot ( SS )
http://i.imgur.com/4HXqQKS.jpg
How to Boot a Computer from a Lazesoft Recovery USB Device
http://www.lazesoft.com/create-a-bo...


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#10
January 7, 2015 at 15:54:31
John - A quick point.
Did you realise this is Win 7? [I see you've changed the link]

jasmain
If nothing at all is ever seen on the screen at any time, not even before Windows attempts to load, then there must be a "hardware" issue. Please confirm whether or not this is the case.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#11
January 7, 2015 at 15:57:54
"Did you realise this is Win 7?"
Yep, I fixed it almost immediately Derek.

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#12
January 7, 2015 at 16:30:59
I do have a CD drive, but I don't think i have a Linux CD. So it must be a hardware issue??? cause nothing shows on the screen, not even for a second. It doesn't have any strange sounds. Everything seems normal, its just that the screen is BLACK!!! Does this mean I must buy a new laptop?? :O :(

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#13
January 7, 2015 at 16:38:07
Just to add to my #7 you can download and create a Live Linux CD on another computer. Also see #6. Sorry but I really can't hang around here any more tonight (UK). Someone is sure to step in - if not I'm back tomorrow.

Always pop back and let us know the outcome - thanks


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#14
January 7, 2015 at 16:55:46
"So it must be a hardware issue???"
Very easy to test, use the tool as per post #9

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#15
January 7, 2015 at 18:07:31
Another possible.

Windows 7 Users could have the notebook display as completely black or aero function disabled
http://support.microsoft.com/kb/975957


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#16
January 7, 2015 at 20:47:26
Prior to when windows would normally start to load do you get a posting or logo screen? Tap whatever key gets you into bios setup, even if you can't see anything on the screen, and see if that works.

If 'no' to the above then yeah, likely a hardware problem. But if you're still not sure temporarily remove the hard drive and then boot it up. Normally that will result in an error message.


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#17
January 8, 2015 at 06:14:43
When a computer starts, very shortly afterwards "something" appears on the screen. You see, for example, white letters on black giving you the options to go to setup (BIOS). You should also see "Starting Windows". These things happen before windows is even in the equation.

If you see the above and then get a black screen that is a quite different situation, where both software or hardware are possibilities.

Whatever, no harm trying anything, particularly attempting to get the BIOS screen as per #16. If you manage to get that to show then I'm well happy to be proved wrong.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#18
January 8, 2015 at 08:11:30
jasmain wrote:

> nothing shows on the screen, not even for a second. It doesn't have
> any strange sounds. Everything seems normal, its just that the screen
> is BLACK!!!

> I tried the external monitor thing, as you suggested but it still won't work.

It is possible that you didn't correctly tell the computer to use the external
monitor. If you aren't sure whether you did, try again and follow whatever
the instructions are for your particular computer to direct the video output
to the external monitor. You might need to change the setting back after
you are done testing.

Also, if the external monitor has more than one input connector, be sure
that it is set to use the connector you are connecting.

If none of that works, and you don't want to fiddle with the insides of your
laptop yourself, then you need to take it to a computer repair shop for a
diagnostic. Sometimes you can get a free estimate of what a repair will
cost before you decide whether or not to go ahead and have it repaired.
If the repair costs too much, you may prefer to remove the hard drive and
connect it to a new computer.

If you *do* want to fiddle with the innards, we can probably help...

-- Jeff, in Minneapolis


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#19
January 9, 2015 at 11:14:19
so am like way up my neck to this. lol of all things to happen to my computer! you cant even tell the difference if its on or off! :( only if you listen. lol smh how do i open it up to see if theres an internal problem? my RAM seem okay and so is the hard drive. lol i will have to buy some screws :P

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#20
January 9, 2015 at 12:25:14
"my RAM seem okay and so is the hard drive"

Looking at these tells you nothing. If you feel the HD you might get the idea it is that it is running but that doesn't mean it is actually functioning as a hard disk. I appreciate that these are negative statements but I just wanted it to be clear that there have to be reasons for any assumptions about the working state of internal components.

This is where repair shops can be at a distinct advantage. They have stock so are able to replace certain components to prove whether or not they are faulty. I'm not suggesting that's the only way they go about things but it can certainly help speed diagnosis. For others changing components can prove to be a costly way of finding out there was nothing wrong with them.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#21
January 9, 2015 at 14:16:52
My very old (1998) Dell laptop makes several sounds during a
normal boot. Both the hard drive and the optical disk drive make
sounds (the optical drive is louder, even when there is no disk),
then there is a single beep at the end of the BIOS portion of the
boot, then just a second or so later, after Windows has started to
load, a double, two-toned beep indicates that a PCMCIA card is
plugged in. Several seconds later the Windows startup sound
(Musica Windows Start.wav) plays. Your Toshiba Satellite may
make any or all of those sounds. If your Windows installation is
set to play a startup sound, and you have speakers or earphones
plugged in and properly set so that system sounds play through
them, then hearing that indicates Windows is booting normally.

If you get multiple beeps during the power-on self-test, at the
start of each boot-up, then you probably have a hardware failure
that the computer is detecting. The pattern of beeps tells in very
general terms where the failure is. For example, it could indicate
that no keyboard is plugged in. Obviously that is not the problem
in this case! But if you do get beeps, tell us if there is a pattern.

-- Jeff, in Minneapolis


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#22
January 9, 2015 at 14:33:51
Yes, if you are well used to a particular computer it is surprising how good you get at having a pretty good idea whether it's booting normally or not, simply by listening.

Always pop back and let us know the outcome - thanks


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