Question about Toshiba Satellite L455DS5976 Notebook

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Blue screen on my toshiba l455 - Toshiba Satellite L455DS5976 Notebook

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Options:
* Open and Clean the memory. This is the first option that you should take.
* Blue Screen sometimes can be a caused of installed new hardware but malfunctions so proceed or boot to safemode then remove newly installed hardware drivers, boot your notebook by pressing the F8 until you have options then choose safemode.
* Blue screen can be a cause of corrupted software so reformat and reinstall your notebook. last option.

Posted on Mar 28, 2011

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My Toshiba 15.6 inch screen Satellite L455 laptop is not showing ANYTHING! It's just black and other colors on the screen. How do I fix that?


Is the keyboard light coming on if its on then connect the vga. Connector to a monitor and check if display is ok

Oct 22, 2013 | Toshiba Satellite L455-S5009 laptop

1 Answer

Toshiba laptop c660d-152 showing black screen asking for password


check whwther you have set password while booting if so enter bios pw

Dec 09, 2012 | Toshiba Satellite L455-S5009 laptop

1 Answer

What's your problem?When I try to boot my Toshiba L455-S5975 all I can get is a black screen and a blinking cursor. What can I do to solve this problem?


Try turning on your laptop and then pressing the f8 key repeatedly, then you should be presented with a set of options, one of these should be safe mode, unless you are trying to factory reset, but anyway if that doesnt work you could try turning it on but pressing 0 (zero) instread of the f8 key

Jun 16, 2012 | Toshiba Satellite L455DS5976 Notebook

1 Answer

Video on my toshiba L455=s5009 comes on for a few seconds then blacks out


From your brief diagnoses stated, it sounds like a bad Video Cable.

The Video Cable routes from the motherboard, across one edge of the Fan Assembly, and under the left Hinge assembly,

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-Pro-L450-L455/big-body/laptop-disassembly-19.jpg

With just the usual opening, and closing of the laptop, the Video Cable's sheath may be damaged. This means the tiny wires inside the sheath may be damaged.
(Stretched/Broken)

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

http://www.laptoprepairparts.com/html/details.asp?ref=1860&category=cables

Or it may be the screen Inverter that is damaged, or going out,

http://mcccomputers.com/shop/lcd-inverters/3666-new-toshiba-satellite-l455-s5009-l455-s5045-lcd-inverter-pk070006t20-k000087330.html

Or the LCD screen assembly.

Could be the graphics chipset.

Diagnose.

1) Laptop OFF, monitor OFF, connect an external VGA monitor to the laptop's VGA connector, on the back of the laptop.

[ RBG (Monitor) port ]

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

[ Example of a VGA cable, and a VGA port (Connector),

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

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

By default the external monitor should show the display, also.
IF not;
1) Press, and hold down on the Fn key, and simultaneously tap on the F5 key. (The F5 key is the Display toggle-over key)

Not showing on the external VGA monitor? Perform the above procedure again.
There are several display options.

External VGA monitor also show the same symptoms?
Bad graphics chipset. Replacing the motherboard is the most cost effective method, and easiest method.

External VGA monitor does Not show these symptoms?
Problem is the Video Cable, or screen Inverter, or LCD screen.

Due to movement of the LCD screen, which means movement of the Video Cable, my money is on a bad Video Cable.

(A Video Cable can be unplugged partially, real easy, on the back of the LCD screen.
It MAY look plugged in tightly, but may not be.

It can also be unplugged real easy when assembling the Display Assembly, to reinstall back on the laptop )

Check the Video Cable's wires with a multimeter. Perform a continuity check of all wires in the cable. (Multimeter set to Ohms)

Have an assistant also gently wiggle the cable, as you are testing. See if there is an intermittent break, due to a stretched/broken wire.

Or just buy a replacement Video Cable, and use it.

For additional questions please post in a Comment.

Regards,
joecoolvette

Feb 04, 2012 | Toshiba Satellite L455-S5009 laptop

1 Answer

Screen doesnt come on


If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Dec 07, 2011 | Toshiba Satellite L455-S5000 L455-S5008...

2 Answers

My Toshiba laptop got wiped and failed to wipe. So when I try to restart it, it asks for a BIOS PASSWORD in a blue box. I've tryed all tricks and don't know. The satelite number is L455-S5009. I...


The BIOS and Supervisor passwords cannot be removed or changed unless you know the existing password(s). If you forget your BIOS or Supervisor password, you will have to have the password removed by a Toshiba Authorized Service Provider

Aug 17, 2011 | Toshiba Satellite L455-S5009 laptop

1 Answer

I am in need of a repair manual for a Toshiba Satellite L455-S5975 laptop in order to replace the LCD screen. I have searched everywhere, but no luck. Does anyone have a source? Thank you.


Not sure if you will find one... Process on toshibas is:

Pop top cover (sometimes also secured with a few screws on side or bottom of laptop) near monitor base above keyboard to access LCD cable and mount screws
Unplug cable and remove monitor mounting screws (Under plate, on back where cables plugin, and sometimes on bottom)
Take monitor (on flat surface) and remove screw covers with needle so you can put them back on later.
Remove all screws
Use plastic credit card and run around outside lip of screen case until removed
Remove LCD mounting screws
Remove LCD and inverter
Remove LCD brackets and inverter from panel
Replace panel and start working backwords.

Mar 31, 2011 | Toshiba SATELLITE L455-SP5016M LAPTOP LCD...

2 Answers

Toshiba Satellite L455-S5000 turns on but screen is black


Try external monitor, if it works then more likley the backlight inverter or the lamp is bad.
see www.insidemylaptop.com for example.

http://www.sparepartswarehouse.com/Toshiba,Satellite,L455-S5000,PSLY0U-03F02F,Laptop,Inverters.aspx

Please leave rating if it helps.

Jan 20, 2011 | Toshiba Satellite L455S5000 Notebook

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