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Black screen external monitor works fine

My Toshiba Satellite L645 Screen shows three yellow lines on the screen but when i go to accessories, sound recorder the screen goes completely black. or when i try Video chatting it goes black please how can i fix it?

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  • Computers & ... Master
  • 20,130 Answers

Replace the screen as the external monitor is OK.

Posted on Apr 14, 2014

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: toshiba blank screen

i had the same problem and i replaced the inverter but that did not work then i replaced the backlight and no problems since then.
This seems to be a problem with alot of toshibas and i dont know why they install these useless backlights. Backlights are supposed to outlive the laptop.
I paid about 20 dollars for the backlight rather than pay $200 dollars for the whole LCD but it is a very tricky job so be very carefull.

Posted on Jun 17, 2008

  • 31 Answers

SOURCE: Screen flickers

yes i have had this problem before
the propper signal isnt getting to the screen from the mother board
has anything been spilt on the screen or the computer its self
i would suggest taking it to a tech they should be able to fix your problems

Posted on Jul 19, 2008

YourTech
  • 63 Answers

SOURCE: Data Shows up only on External Monitor, not on Laptop Screen

If your system won't display anything w/o the external monitor. there's something wrong with the LCD's backlight. you may have to contact your laptop's manufacturer and check if this laptop is still under warranty. you may have to get the lcd replaced.

thanks.

Posted on Aug 26, 2008

dragon_sun25
  • 107 Answers

SOURCE: toshiba satellite a105 screen problem

You need a new lcd, The connectors are bad...

Posted on Dec 13, 2008

sys_admin
  • 829 Answers

SOURCE: monitor went black

Try reinstalling the Display
driver

Posted on Mar 31, 2009

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1 Answer

How do i repair toshiba satellite a105 ribbon cable repair


Have you tried hooking up an external monitor to it and seeing if it works? I would try that first to rule out a video card issue. If the external monitor works fine, here is a website with pictures on how to disassemble the laptop to replace the screen:
Toshiba Satellite A105 Laptop Disassembly Guide Cooling Fan Heatsink...

Jul 23, 2014 | Toshiba Computers & Internet

1 Answer

My toshiba satellite l645 wont display at power on even when i connect the external VGA and press the function Key and f5 no display. no beep codes even when the RAM is removed and the caps light beep once...


hi

to test if the lcd screen is faulty or if its the inverter

plug in another monitor to the external monitor plug

when you turn on the laptop if the 2nd monitor displays the desktop your lcd needs to be replaced

if the 2nd monitor is also black your inverter needs to be replaced
common problem

Aries

Oct 19, 2013 | Computers & Internet

1 Answer

Risht side of display turns down resolution


check the display on some monitor through the vga port of the laptop whether the same is happening there, if its there then problem is of display driver, remove the driver boot the system then install it again, check it

Feb 03, 2013 | Toshiba Satellite L645-s4102 Notebook

2 Answers

Can i just remove the monitor assembly toshiba laptop p5085d-s8935 and just use a n external monitor


You could do that. Here is an excellent guide to replacing that model laptop's lcd which will show you basically how to remove it as well.

http://www.laptopinventory.com/LaptopInventory.php/Toshiba/Satellite/P505D-S8935/LCD

Dec 07, 2012 | Toshiba Computers & Internet

1 Answer

ANYONE KNOW WHY MY TOSHIBA SATELLITE L645 BECOME BLACK SCREEN BUT THE PROGRAM STILL RUNNING ?


you probably don't need a new screen it's probably your screen inverter that's going. It's just a small strip at the bottom of the screen wjth a little circuit board. If you google screen inverter and the make and model of your laptop you'll see what I mean.

Nov 27, 2012 | Toshiba Satellite L645-s4102 Notebook

1 Answer

Please help, My laptop Toshiba Satellite L645 blank screen when turned on, there is absolutely no view. please help me ..................


Can you tell if the laptop itself is turning on?

If not then there is an issue with the laptop.

If the laptop is turning on then try plugging in the laptop to an external monitor and see if you get anything on the screen. If the laptop works normally with the external monitor then you will need the screen replaced . If the laptop still shows nothing on the external monitor then you will need to repair your laptop.

Please rate if this helps

Mar 14, 2011 | Computers & Internet

1 Answer

Thanks "aaarwind" Sorry I havn't


THe screen on your laptop is faulty by the sound of it as the same processor is used for VGA out as the internal screen.
Check the cables and connectors to your screen before replacing it.
Consult a Toshiba Computer agent for confirmation if you are not sure.

Jan 20, 2011 | Toshiba Satellite P35-S6292 Notebook

1 Answer

LCD is back lit but no image, just black. It works sometimes and the laptop works fine if it's hooked up to an external monitor.


Sounds like the Screen is on its way out.

If you have the ability to set it up as a dual screen, and use your laptop as the main and your external monitor as the extended screen.

Dec 15, 2010 | Toshiba Satellite M65-S809 Notebook

1 Answer

Screen stays black on startup of toshiba satellite L300


have you tried either switching between external and internal monitor usally Fn + F5 on toshiba or try plugging a monitor into the back and see if it displays.
if you get a display on the external monitor then its probably a screen or inverter fault if you donot get a display to an external screen then it is likley t be the graphics on the board itself.
hope this helps

Feb 22, 2009 | Toshiba Satellite Pro L300-EZ1501 Notebook

1 Answer

Data Shows up only on External Monitor, not on Laptop Screen


If your system won't display anything w/o the external monitor. there's something wrong with the LCD's backlight. you may have to contact your laptop's manufacturer and check if this laptop is still under warranty. you may have to get the lcd replaced.

thanks.

Aug 26, 2008 | Toshiba Satellite A135-S4527 Notebook

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