Question about Toshiba Satellite A10 Notebook

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Installing an external monitor to a Toshiba A10 computer

How to you make an external monitor your main screen while using the notebook. I have a 19" monitor hooked up to the notebook and right now the new monitor is working as a second monitor not as the main one.

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Re: installing an external monitor to a Toshiba A10...

Press the FN and F4 keys similtaneously. That will switch the monitor from the LCD to the external monitor. But look on your keyboard it will indicate which buttons to do this for your model. The indication is hughlighted by the blue icons on the keyboard?

Posted on Sep 11, 2007

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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, )

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)

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.

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,

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

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.

Jan 15, 2012 | Toshiba Satellite L455D-S5976 Notebook

1 Answer

My laptop has a black spot on the screen which keeps increasing day by day...

Hook up a external monitor to the video output on the back of the laptop, if the monitor is fine! then the laptop screen has issues, the screen has developed a flaw and will need to be replaced. If both show the same problem! this is a Video Graphics Card issue that is part of the motherboard. I recommend a computer technician to quote an estimate to see if you feel it is worth the repair.

Jan 07, 2011 | Toshiba Satellite A10-S100 Notebook

1 Answer

I have a Toshiba Satellite A505 S6930 and the screen went totally black and I can't do anything. I can log in with my password, but I can't see anything. Is there a screen lock or something? I've shut down...

Try Plugging an External Monitor to your SVGA Port on the system.
Then use your function button (Fn) and hit the external monitor button (Looks like a Monitor or TV screen) ...reason for this.
Is you might have your system set to external mode to use a monitor instead of being set to the main screen of your laptop.

Hope this helps.

Dec 06, 2009 | Toshiba Satellite A105 Notebook

1 Answer

Have a Emachine Laptop M6809 , the screen is all pixelated and distorted from bios boot through WinXP loading , same with external monitor .

Theres a problem with the video card of your laptop. If you just formatted your laptop, check if you have installed the driver of your video card. Or bring it to the service center if you still have a warranty for it.

Jul 03, 2009 | Toshiba Satellite A10-S129 Notebook

1 Answer

Partial lcd display on laptop


Sometimes the resolution changes to an unusual setting when an external monitor is attached. make the LCD screen your main monitor and change the resolution to 1024x768 or 600x800 whichever is best.

Happy to help

Apr 25, 2009 | Toshiba Tecra A4-S313 Notebook

1 Answer

Toshiba A10 laptop screen

Have tried at all to change some of the basic settings on it? Or is it too hard to even read it to get to the settings? It could be something wrong with the LCD as well, in which case, there is not much you can do.

Nov 09, 2008 | Toshiba Satellite A105 Notebook

1 Answer

Toshiba laptop screen extention to external monitor

you should try and get your f5 key worked, that is where the problem lies.

Jun 04, 2008 | Toshiba Satellite 3005-S303 Notebook

1 Answer

LCD Display problem


Nov 24, 2007 | Toshiba Satellite A105-S4004 Notebook

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