Question about Toshiba Satellite M115-S1061 Notebook

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Toshiba l450d 11v 13p

Screen has gon black and will not come on again

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If you see your HDD lights working and can tell that the PC is doing something such as spinning the drives, and such, try looking very closely at the screen from different angles and even with a light in hand. You may be able to see some action on the screen or even your desktop, eventually. If you can faintly see PC operations taking place on the laptop, then the issue is the backlight. This means a screen replacement. You can also plug an external monitor up to the unit for a test.

Posted on May 16, 2014

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Posted on Jan 02, 2017

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SOURCE: my toshiba l450d black screens

TRY START UP IN SAFEMODE ( USING THE F8 KEY ) KEEP PRESSED DOWN WHILE ON START UP OR RESTART ! THIS WILL SHOW A DIFFERENT SCREEN AND YOU SHOULD BE ABLE TO SORT IT OUT ! IF NOT THEN TRY PRESSING CNTROL ALT AND DELETE TO BRING THE CONTROL MANAGER UP AND AGAIN SOMETHING COULD BE RUNNING THAT SHOULD NOT !

Posted on Feb 05, 2011

rcw1962
  • 2571 Answers

SOURCE: Hello I have a toshiba satellite pro L450D-12x

You may just have knocked the hard drive loose,
Open the hard drive cover remove and refit it. If that does not help, it would be a trip to the repair shop.
You could also refit the memory and cd/dvd drive

Posted on Sep 04, 2010

southexpert
  • 69 Answers

SOURCE: my laptop will only connect to the internet with a

The solution to your problem is there should be a button on the front that has a little signal like a antenna with radio waves that is the button to turn it on, if that doesnt work right click the to little monitors on the lower right hand corner of your screen and click on connect to a network..

Posted on Jun 07, 2010

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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,

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

Hi i have a toshiba satellite pro l450d-12x as soon as i start it it goes into a black screen & promps me for a password i have never loaded a password could you please help


Hello,

This is a security password set in the BIOS. You will need this password to by pass this screen. If you got this pc from someone, you should contact them and request password or do a complete reinstall of the os and loss all data.

Good Luck
C2Solutions

Jun 11, 2011 | Computers & Internet

1 Answer

My toshiba l450d black screens after turn on


TRY START UP IN SAFEMODE ( USING THE F8 KEY ) KEEP PRESSED DOWN WHILE ON START UP OR RESTART ! THIS WILL SHOW A DIFFERENT SCREEN AND YOU SHOULD BE ABLE TO SORT IT OUT ! IF NOT THEN TRY PRESSING CNTROL ALT AND DELETE TO BRING THE CONTROL MANAGER UP AND AGAIN SOMETHING COULD BE RUNNING THAT SHOULD NOT !

Feb 05, 2011 | Toshiba Satellite Pro L450 Notebook

1 Answer

What year was this laptop made toshiba satellite pro l450d 12x


Since it has a dual core and pre-installed with Vista Home Premium - about five years ago for Toshiba Satellite L45-S7419 15.4-inch Laptop. For the toshiba satellite pro l450d - about a couple years ago.

Nov 22, 2010 | Toshiba Satellite L45-S7419 Notebook

1 Answer

Hello I have a toshiba satellite pro L450D-12x while it was shutting down it fell and now when I switch it on i see the toshiba welcome screen and after that it's all black. What can I do to make it...


You may just have knocked the hard drive loose,
Open the hard drive cover remove and refit it. If that does not help, it would be a trip to the repair shop.
You could also refit the memory and cd/dvd drive

Sep 04, 2010 | Toshiba Satellite L45-S7419 Notebook

1 Answer

My laptop will only connect to the internet with a ethernet cable, although I can get wireless on other computers in the house, is there a button or something on my laptop to connect to wireless? My laptop...


The solution to your problem is there should be a button on the front that has a little signal like a antenna with radio waves that is the button to turn it on, if that doesnt work right click the to little monitors on the lower right hand corner of your screen and click on connect to a network..

Jun 07, 2010 | Toshiba Satellite A135-S4527 Notebook

1 Answer

This is not the exact model, my friend has a satellite L450d-11V laptop, the screen does not display anything, the power is plugged in the left light at the front is green the one to the left is orange....


  • Hi, this is "normal looping when choosing to restore to "Factory Settings," you have to be very patient, and unfortunately, if the process wasn't completed entirely, you may need to start from scatch; "lets hope this is not the case, restart the computer, and let it do what its suppose to do "finish the restoring to "factory settings, be patient," and follow all the instructions carefully. "Rating the solution is appreciated, thanks; I hope all go well!"

May 05, 2010 | Toshiba Satellite Pro L450EZ1543 Notebook

1 Answer

Toshiba A105-S4074 laptop's monitor has no backlight


Use the VGA port to connect an external monitor, this will get you up and running temporarily until you can fix the screen, it sounds like you have a faulty inverter.

Apr 06, 2010 | Toshiba Satellite A105-S4074 Notebook

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