Question about Toshiba Satellite 1105 Series 14.1" Flat Panel LCD Monitor

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WHEN ON THE LAPTOP NO DISPLAY IT JUST A BLACK SCREEN

Toshiba satellite laptop LCD screen solution

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Dropped Toshiba satellite a105 laptop, screen black

If you pull off the top part where the speakers are above the key board your monitor might be unplugged. i had the same problem with one

Posted on Mar 15, 2009

  • 6 Answers

SOURCE: How to reseat a loose LCD cable on my Toshiba satellite laptop

I will Suggect you to get it done from professional.

Posted on Apr 12, 2009

DosHog
  • 168 Answers

SOURCE: Can i replace my Gateway laptop tft screen with a new lcd screen?

The screen resolution is a combo of:

  1. the screen's capability
  2. the video card's capability
  3. the driver's settings
If the above screen is made for this laptop (as it appears to be), then the settings you had should still be there.

Posted on Jul 29, 2009

  • 10406 Answers

SOURCE: Toshiba Satellite L35 screen color turned to pink.

If you have a LCD-screen, not an old-style CRT-screen, it is the data-cable, and its connections, that are not transmitting one of the 3 "primary" colours, e.g., mix red & blue & green to get white,
but mix only two of those colours, and you could get pink,
because the mixing is an "additive" process.

If you mix NONE of the 3 primary colours, you should get BLACK.
If you see GREEN, you're seeing ONE of the primary colours.

Posted on Sep 19, 2009

byteguy
  • 2229 Answers

SOURCE: Suddenly my Toshiba Satellite A205 laptop died. No power.

First, check your power supply (the adapter). Is it putting out the required voltage to charge the battery?
If not, then you might have a dead battery and no way to charge it.
If the power supply is working and when you turn on the computer you get no lights, then you're probably looking at a new motherboard.
If you get startup lights and hear the fan, then it's getting power and you might have a video problem. But it sounds like, from what you wrote, there is no activity at all when you try to start it. That would be the power circuit on the motherboard, most likely.

Posted on Jan 09, 2010

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1 Answer

Laptop screen lights, no display but exterior vga plays


either bad lcd panel or the power inverter for the lcd has gone bad.

Mar 27, 2014 | Toshiba Satellite L775-s7307 Laptop...

1 Answer

I have changed my inverter and checked all cables but screen still black with the shadow image


Either the LCD screen is faulty, in which case a new screen is required or there is a GPU issue. Test with an external display.

Dec 18, 2012 | Toshiba SATELLITE PRO L300-212 LAPTOP LCD...

1 Answer

Display divided into 3 parts


LCD screen cracked, and Three even strips going across? Doubtful. Haven't seen it but I always have my mind open.

Three strips that are irregularly shaped? Look like glass that has cracked?
'Jagged edges'?

LCD screen is broken.

Three even strips indicates to me, that there may be a problem with the Video Cable. Then the screen Inverter is next in the diagnoses.
My money is on the Video Cable.

ALL power removed, Anti-Static Precautions FOLLOWED, I would check out the graphics chipset first.

1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the laptop.
Left rear side. This is an example of a VGA Cable, and VGA connector. (VGA port on a laptop ),

http://en.wikipedia.org/wiki/VGA_connector

(Color of connector does Not matter. It is generally Blue, though)

You can use a CRT type of monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

2) Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.

There are at least 3 display options available;
1) Laptop internal monitor ONLY
2) Laptop internal monitor AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the same time tap once on the F5 key. (The F5 key is the Display Toggle-Over key)

No display on external VGA monitor?
Hold the Fn key down again, and tap once more on the F5 key.

Is the display on the external VGA monitor, the same as the internal monitor of the laptop?

Problem is the graphics chipset.

Display is fine on the external VGA monitor?
Problem is the Video Cable, screen Inverter, or LCD screen.

Video Cable:

A) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A105/big/Toshiba-Satellite-A105-14.jpg

Switch Cover removed, Keyboard removed. Shows you where the Video Cable plugs into the motherboard.

B) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A105/big/Toshiba-Satellite-A105-21.jpg

Palm Rest Cover you can see the white rectangular connector, for the motherboard side of the Video Cable, at the top left.
It's above the black cable, and near the screw hole.

The Video Cable leads from the motherboard, up through the left Hinge, and into the Display Assembly.
From there it connects to the screen Inverter, and back of the LCD screen.

http://www.ebay.com/itm/Toshiba-Satellite-A105-6017B0050801-LCD-Video-Cable-Genuine-OEM-Laptop-TESTED-/290754851160?forcev4exp=true&forceRpt=true

In the photo, (You can hover your mouse cursor on it to enlarge), the right side connector plugs into the back of the LCD screen.

The black connector to the far left connects to the motherboard.
The small white connector at the top with the Red, Green, Black, etc wires, connects to the screen Inverter.

(The small Black cable, that comes out from the black motherboard connector, is a Ground wire )

Due to the close proximity of the Video Cable to the left Hinge, it can be pulled on from just normal opening, and closing of the laptop over time.

This means the Video Cable connection on the motherboard side could be loose, or the LCD screen side, or both.

The diagnoses is to PHYSICALLY check BOTH connections. A loose connection at the motherboard, or at the back of the LCD screen could be so small in distance, that you will not see it with the human eye.

Could also result in damage to the Video Cable.
View the Video Cable with the Switch Cover removed, and see if there are any obvious signs of damage to the sheath of the cable.

If there is there could be damage to the tiny wires inside the Video Cable. (Stretched/Broken)

Use a multimeter set to OHMs, to check all wires inside the Video Cable for continuity, or have a 'Mom and Pop' computer store check it for a few bucks, or replace the Video Cable.

Video cable connections are tight? Video cable continuity check checks out OK?
Screen Inverter.

The test for a screen Inverter is to use a sensitive multimeter.
Read fairly expensive.

http://www.fonerbooks.com/test.htm

Not having access to a sensitive multimeter that you can use, means just replacing the screen Inverter. Seems like 'part changing', and it is, but you have to work with what you've got.

http://www.sparepartswarehouse.com/Toshiba,Satellite,A105,Laptop,Inverters.aspx

Find THE model number for your laptop, and the correct screen Inverter. A screen Inverter, and an LCD screen are a MATCHED unit.

Screen Inverter is checked out to be OK, or replaced, and symptoms are still the same, the problem is the LCD screen.

Remember, the first part of the diagnoses was to see if the divided parts were EVEN going across, or jagged and irregularly shaped.

Jagged in shape, and not even strips going across, means cracks in the LCD screen.
Replace.

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A105/remove-replace-LCD-screen-1.htm

[ Main article for A and B links above;

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-A105/remove-motherboard-1.htm ]

For additional questions please post in a Comment

Regards,
joecoolvette

Oct 22, 2012 | Toshiba Sattelite A105-S2051 Notebook

1 Answer

Are the display bands compatible?


1) Toshiba Satellite P300-13j LCD screen example,

http://www.screentekinc.com/Toshiba_Satellite_P300D-13J--17-inch--1440x900-wxgaplus-laptop-lcd-screen.shtml

Thin Film Transistor (TFT) Active Matrix LCD screen, that is WXGA, and uses one CCFL for a Backlight.

2) http://www.lcds4less.com/ToshibaLaptop__Toshiba_Satellite_P300D-12L__laptop-screens.html

Thin Film Transistor (TFT) Active Matrix LCD screen, that is WXGA, and has 1 CCFL for a Backlight.

There is a pretty good chance. The screen Inverter and LCD screen are a matched unit. I would remove the screen Inverter from the P300-12L, and use it also.

Looks like this,

http://www.lcd-inverter-shop.com/Toshiba/Toshiba-Satellite-P300D.html

If I may ask;
1) Is there obvious damage to the LCD screen?

2) If there is not obvious damage to the LCD screen, have you used an external VGA monitor with the laptop?

To see if the problem is the graphics chipset, or the video cable, or inside the Display Assembly.

A) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-P305/take-apart-notebook-1.htm

B) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-P105-P100/remove-lcd-screen-inverter-1.htm


Post back in a Comment.
Regards,
joecoolvette

[Primer:
An LCD screen cannot produce light by itself,
(Click on the monitor icon,

http://solutions.3m.com/wps/portal/3M/en_US/NA_Optical/Systems/BehindTheScenes/Optics101/ )

It needs an additional light source. A Backlight is the additional light source.
A Backlight can be a CCFL, (Or two of them), or a series of LED's.

LED stands for Light Emitting Diode

CCFL stands for Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

Average thickness is 2mm. That is a little larger than 1/16th of an Inch.
Average length is almost as long, as the LCD screen is in height.

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

Observe the last 8 photos especially. This article shows you that the LCD screen is an assembly. It is composed of layers. Just like the 3M company's tutorial. Also shows general instructions for replacing a Backlight.

A screen Inverter is used to convert the power from the laptop, for the LCD screen, and Backlight.
It is a small circuit board, and is usually mounted towards the bottom of the LCD screen, and behind the Display Bezel.

A CCFL, (Or two of them), uses a screen Inverter.
LED backlighting however, may or may not use a screen Inverter.

Using LED's for backlighting is relatively new, when discussing backlighting technology.
Some of the first designs of LED backlighting does use a screen Inverter.
Newer designs do not seem to.

90 PERCENT OF THE TIME the problem can be attributed to a bad screen Inverter.

Aug 21, 2012 | Toshiba Satellite Computers & Internet

1 Answer

My toshiba laptop will boot when I power up but the screen stays black


Jeff, connect an external monitor for a diagnostic test.

Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port on the back of the laptop,
(RGB/Monitor connector,

http://en.wikipedia.org/wiki/VGA_connector )

The external/VGA monitor can be a CRT type (Looks like a small TV), or a flat LCD screen that has a VGA cable.

Turn the external monitor on. If a CRT type allow it to warm up.
Turn the laptop on.

By default the display should show on the external monitor. If not press, and hold down on the Fn key, and tap the F5 key. (One of the Hot Key's)

If the display still does not show, hold down on the Fn key, and tap the F5 key again.
There are three display options;

1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external monitor
3) External monitor ONLY

If graphics show on the external monitor, you have a problem in the Display Assembly, and/or the Video Cable.

If graphics do Not show on the external monitor, you have a problem with the graphics chipset on the motherboard.
(ATI Radeon 3100)

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-Pro-L450-L455/laptop-disassembly-1.htm

Video Cable
1) Could be the connections. The connection of the video cable TO the motherboard, and the other end of the video cable TO the back of the LCD screen. (In the Display Assembly)

2) Could be damage to the video cable. Check the sheath of the cable for obvious signs of damage. If so, the thin tiny wires inside may be damaged also.

Cable should be checked for continuity of each wire in the cable. (Ohm's with a multimeter)

Video Cable condition, and tightness of connections check out, it's on to the screen Inverter.

Primer:
An LCD screen does not produce light by itself. It needs an additional light source.
A Backlight is the additional light source.

A Backlight is a CCFL, or a series of LED lights.

The Toshiba Satellite L455D-S5976 Notebook PC, uses 1 single CCFL for a Backlight.
Cold Cathode Fluorescent Lamp.

Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

A screen Inverter is used to convert the power (Electricity) from the laptop, for the LCD screen, and Backlight.

90 PERCENT OF THE TIME the fault is the Inverter.

The screen Inverter is a small rectangular circuit board, and is located behind the Display Bezel, an at the bottom of the LCD screen,

Example of screen Inverter,

http://www.battery-stores.co.uk/laptop-inverter.php/toshiba_Satellite+L455D-S5976_205_5226.htm

Link to a free Service Manual for the Toshiba Satellite L455D series of Notebook PC's,

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-toshiba

Under the main Toshiba heading go down to the subheading -
Satellite A10. (A10 is in blue)
In this 'paragraph' go down to the third line, and scroll across to -
L450D, in blue.
Click on L450D.

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name { L450D } it may take up to 30 seconds before the first page comes up.

Would appreciate it if you would post back in a Comment with your findings.
Regards,
joecoolvette

Jan 15, 2012 | Toshiba Satellite L455D-S5976 Notebook

1 Answer

Toshiba satellite monitor is scrambled, how to fix?


Check to see if the problem is the screen Inverter, or the graphics chipset, or the LCD screen.
Use an external monitor as a test.

If the screen of the external monitor shows a scrambled display you have a problem with the graphics chipset.

If the screen of the external monitor does Not show a scrambled display, you have a problem with the screen Inverter, or the LCD screen.

90 PERCENT of the time the fault is the screen Inverter.


External Monitor;
1) You can use a CRT monitor, (Looks like a small TV), as a VGA monitor,
Or
2) You can use a flat LCD screen monitor that has a VGA cable.

A) Laptop OFF, and monitor OFF, attach the VGA cable from the External monitor, to the VGA port on the Toshiba Satellite A205 series Notebook PC.

This is an example of a VGA cable, and it's connector, and a VGA connector on the laptop,

http://en.wikipedia.org/wiki/VGA_connector

B) Turn the monitor on. If it is a CRT style let it 'warm up'.
Turn the laptop on.

C) The display is supposed to automatically show up on the external monitor.
If it does not, press, and hold down on the Fn key, and also press the F5 key.

Still no?
Holding the Fn key down, tap the F5 key again.

Display good on external monitor? Problem lies with the screen Inverter, or the LCD screen.
Either OR.

Primer:
An LCD screen does not produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

An Inverter (screen Inverter) is used to convert the electricity provided by the laptop, for the LCD screen, and Backlight.

As previously stated, 90 PERCENT of the time the fault is the Inverter.

Laptop open looking at the display assembly, the plastic thin frame in front of the LCD screen, and surrounds the LCD screen, is the Display Bezel. (Resembles a picture frame)

The Display Bezel is removed to access the screen Inverter.
The Inverter is right behind the Display Bezel, and located at the bottom area of the LCD screen.

The Display Assembly has to be removed from the laptop, to remove the Display Bezel.
Toshiba's term for the Display Bezel is Display Mask.

The Toshiba Satellite A205-S5804 Notebook PC is one of the Satellite A205 series of Notebook PC's.
This is a link to a free Service Manual for a the Satellite A205 series of Notebook PC's,

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-toshiba

Scroll down to the second Satellite heading. The one that begins with Satellite A10.
Scroll across, and click on A200.

After you click on A200 it may take as long as 30 seconds before the first page comes up.
It may also take additional time for the file to fully download.

At the top of the PDF file is the page number box. It is to the right of the Down Arrow.
Go to Page 146.
4.10 Display Assembly

Page 151 shows how to remove the Display Mask.
4.11 Display Mask

Page 153 deals with the screen Inverter.
4.12 FL Inverter Board

Takes a really sensitive (Read fairly expensive) multimeter to test an Inverter.
Due to the low price, and ease of replacing, the screen Inverter is replaced to test whether the old one is bad.

Example of a screen Inverter (FL Inverter Board) for a Satellite A205-S5804 Notebook PC,

http://www.batterysupport.com/toshiba-satellite-a205-s5804-inverter-p-216526.html

Compare to the price of a replacement LCD screen,

http://www.laptopscreen.com/English/model/Toshiba/SATELLITE~A205-S5804/

To summarize so far;
1) Display shows good on external monitor. Replace screen Inverter. Still the same problem? Replace the LCD screen.

2) Display on external monitor is scrambled also?
Fault lies with the graphics chipset.

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_Circuit

The graphics chipset is a GPU.
Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU

The GPU for a Toshiba Satellite A205-S5804 Notebook PC (Part Number PSAF3U-0NR00V), is an Intel (Mobile) GL960 Express,

http://en.wikipedia.org/wiki/List_of_Intel_chipsets#Core_2_mobile_chipsets

It is soldered directly to the motherboard, therefore it is Integrated Graphics.

{Integrated Graphics is also known as OnBoard graphics.
ON the motherBOARD.
The GPU is soldered to the motherboard.

In comparison if the GPU were soldered to a removable adapter card, it would be a graphics card, and Not integrated graphics }

This means if the graphics chipset is found to be bad, motherboard replacement is the solution.

{ Disassembly guide,

http://www.irisvista.com/tech/laptops/toshiba-satellite-a205/laptop-disassembly-1.htm }

For additional questions please post in a Comment.

Regards,
joecoolvette

Nov 05, 2011 | Toshiba Satellite A205-S5804 Notebook

1 Answer

Toshiba satellite a300 laptop display problem screen black, no display at all.


You laptop either needs a new Cable from the Motherboard to the Screen, a new power inverter, or a new screen. Most commonly, I have seen the video cable get smashed between the hinges/plastic case, and this causes the wires to break apart, leading to a black screen.

Here is the power inverter for your laptop: http://www.sparepartswarehouse.com/Toshiba,Satellite,A300,PSAG0U-0CF035,Laptop,Inverters.aspx

Here is the video cable for your laptop: http://www.notebooksolutions.ca/zc/index.php?main_page=product_info&products_id=3392&zenid=7903c7a1a62c4c2cbfef6ea30865373c

Here is the LCD screen for your laptop: http://www.sparepartswarehouse.com/Toshiba,Satellite,A300,PSAG0U-0CF035,Laptop,LCDs-Displays.aspx

If the display comes back, slightly, when you lift the display lid up and down, this would be a sign that your cable is bad. If you get no reaction from opening and closing the lid, you may have a bad inverter or screen. It is most commonly the inverter or the cable.

If you have a spare monitor, you could plug it into the VGA connector on your Laptop as a temporary solution. If after plugging the monitor in, you get no display, try pressing Fn + F5.

Mar 09, 2011 | Toshiba Satellite A300-0CF035 Notebook

3 Answers

The monitor on my Toshiba P25-S5093 does not have any display of any kind; all black. I have display using external monitor.


Hi,
Does the display show anything before you enter windows? If yes, then press the key to transfer video back to your original screen once you enter windows. It should be the function key "Fn" + F5 - F8. looks for the icon which shows a monitor or says "CRT/LCD".
If it doesn't show anything before you enter windows I'm afraid your screen needs to be replaced. Good luck.

Mar 08, 2011 | Toshiba Satellite P25-S5093 Notebook

1 Answer

I replaced my screen on a toshiba L35 laptop and turned it on screen is black now comp is running . help please?


try first your laptop without using your laptop screen. remove laptop screen and testing display output from your CRT or LCD monitor. if display comes out, try to check your inverter.

Feb 04, 2011 | Toshiba Satellite L35-S2366 Notebook

1 Answer

Toshiba Laptop Dark screen-cant really see it!! help!!


sounds like your inverter is gone. The inverter supplies voltage to the backlights of your lcd.

Mar 25, 2008 | Toshiba Satellite A70 Notebook

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