Question about Toshiba Satellite A25-S207 Notebook

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Monitor dark; hinges broken

I have had my Toshiba Satellite A25-S207 for almost 5 years now and I love it but just recently my left and right monitor hinges broke (which is suppose to be fairly common) and I had my friend in the Geek Squad take it apart and look at them before I spent $150 replacing them but when I got my laptop back the monitor appears super dark like limo tint. Did my friend not put my laptop back together right or is my monitor problem associated with my broken hinges?

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He may have damaged the inverter or left the cables disconnected from the backlights. The inverter supplies the required voltage to the LCD Back lights.

Posted on Mar 31, 2008

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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

No light at the sides of the monitor.(led) The monitor is very dark , but still there is video.


Dark screens are usually the result of a broken backlight tube - most likely impact / shipping related. Being the 15" screens on these computers are pretty darn cheap (eBay's your best bet), I'd buy a used screen and replace it. Target price: under $40.

Apr 30, 2011 | Toshiba Satellite A15-S127 Notebook

1 Answer

Toshiba A25-S207 Screen won't stay up.....how to fix hinges?


you may need new ones the simply wear out and lose their ability to perform after some time they are simple to change and shouldnt be overly expensive ok :) good luck and have a swell day :)

Feb 23, 2011 | Toshiba Satellite A25-S207 Notebook

1 Answer

How do you take a Toshiba A25-S307 apart to clean out dust?


I managed to locate a website providing some instruction on the disassembly of Toshiba laptops. While the one aimed at your laptop isn't for the purpose of cleaning out the case, I think it will get you close. I found both articles here:

http://www.irisvista.com/tech/

Article 1 (For the A25) to reach the memory area of your laptop: http://www.irisvista.com/tech/laptops/ToshibaA25/Satellite-A25-memory-upgrade.htm

Article 2 (For the A20) to disassemble the laptop and replace hinges: http://www.irisvista.com/tech/laptops/ToshibaA20/Satellite_A20_replace_hinges_1.htm


As mentioned, the article for the A25 isn't specific to what you're attempting to accomplish. Yet between the two articles, I think you can get the job done. Just remember, ground yourself before working on the laptop. You don't want to destroy anything because you accidentally discharged static electricity.

Let us know how things turn out, or if you require any further assistance.

Jan 05, 2010 | Toshiba Satellite A25-S307 Notebook

1 Answer

The right hinge on my screen is broken. Can it be


Here's a link to hinge repair procedures...
http://www.laptopka.com/2007/08/01/replacing-satellite-a45-broken-hinges/

It also has a link to search for the replacement part you may need.

Jan 01, 2010 | Toshiba Satellite A45-S250 Notebook

1 Answer

Intermittant monitor clarity, resolution. On start up, Monitor resolution degrades and seems to be related to hinge position. Should it go in to service or Can ir be fixed easily with new driver. Satellite...


Hi,
This is a common problem with inverter cables working loose at the hinge end but could be a problem with the inverter itself or just loose hinges.
Downloading new drivers won't resolve the problem.
Either way the case has to be split to check certain components so opening it up will void what warranty you have left.
I recommend the you take advantage of the warranty and send it in for Toshiba to repair as when the laptop comes back it will be OEM repaired and should work great for a good while.



Regards.

Aug 17, 2009 | Toshiba Satellite A105-S4004 Notebook

1 Answer

Monitor showing imagens in horizontal position


Toshiba has a screen rotate utility. Try hitting Ctrl + Alt + Up Arrow on the keyboard.

Ctrl + Alt + Left Arrow or Right Arrow may work also.

Feb 08, 2009 | Toshiba Satellite A205-S4617 Notebook

1 Answer

Vertical lines in my laptop screen


Hi,
what i recommend you to test is to press behind your monitor and see that the line goes off or not.If it does..that mean you have a loose connection,it can be fix.Incase no then you have problem with your LCD.Normally if its LCD problem then you fix this problem,all you have to do is change the LCD.
goodluck,takecare.

May 04, 2008 | Toshiba Satellite P30 P35 Series Notebook

2 Answers

Vertical lines in my laptop screen


Check it on External monitor prior to replacing the screen.. If the problems there as well its not the screen..

Feb 06, 2008 | Toshiba Satellite P35-S609 Notebook

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