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My toshiba SatellitePro series 4200 backlight doesnt work

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From my experiences, it is either the back light or the back light inverter. Both are easily found on the net and are a pretty reasonable price to get your laptop back in working order. The inverter is rather simple to install, the actual back light you will need minimal soldering experience.

Try http://www.lcdparts.net/ for the parts.

Posted on Jun 11, 2008

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Posted on Jan 02, 2017

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Toshiba satellite backlight


Mohammad,

Toshiba Satellite P100 screen Inverter replacement;

1) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-P105-P100/remove-lcd-screen-inverter-1.htm

(You can click on any photo to enlarge it. At the top, and bottom of the page are the page numbers. They are in white; Page1 :: Page2 :: Find another model )

2) Primer:
An LCD screen cannot produce light. It needs an additional light source.
A Backlight is the additional light source.

A Backlight (Present technology) is a CCFL, or a series of LED lights.
The Toshiba Satellite P100 series of Notebook PC's uses a CCFL.

Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

Average size is approximately 2mm Thick, and the length is close to the height of the LCD screen. 2mm is a little larger than 1/16th of an inch.

This means the CCFL can be broken quite easily, as it is fragile. (You also DO NOT want to be cut by a Fluorescent lamp )

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

A screen Inverter converts the power from the laptop, for the Backlight, and LCD screen.

As previously stated in a Clarification, 90 PERCENT OF THE TIME the fault is the screen Inverter.

Regards,
joecoolvette

(I never request commendations, but thank you for offering.
We, the older techs here, feel that is begging.
3 years at FixYa so far.
Regards,
joecoolvette)

Mar 23, 2012 | Toshiba Satellite P100 Notebook

1 Answer

HOW DO I REBBOT MY TOSHIBA SATELLITEPRO L450D-X12


Hello there!

Simply click on start>hover on the shutdown button and a menu will appear on the right side then click on restart. This is known as a warm boot.

To do it manually, simply hold on the power button until it turns off, wait for about 10 seconds and then re press the power button. This is known as a cold boot.

Please rate and comment, thank you.

Apr 16, 2011 | Toshiba Computers & Internet

1 Answer

Instructions for replacing a keyboard


Sorry you are having trouble. I found a manual at this site for $5.98.
Let me know if you want to attempt the replacement without the manual and I will assist you further.
http://www.9manuals.com/toshiba_um.htm#satellitepro

Apr 06, 2010 | Toshiba Satellite Pro L300 Notebook

1 Answer

My toshiba s100 display doesnt come on and it just stay on the black screen


either the backlight has burned out or the ribbon cable to the screen has come loose
www.aa1consuling.com

Jul 24, 2009 | Toshiba Portege S100-S1133 Notebook

2 Answers

Bought reconditioned hitachi travelstar 4200 rpm 20 gb for toshiba sat pro 4200 series laptop not reconizing get message setup did notfind any HD installed also not reconised in bios


make sure you can change it in the BIOS to auto detect, or do it manually using the info on the back of the HDD, like number of sectors, and so on. the problem is that you might need to change the jumper on the back. if it is going to be the primary make sure the jumper reflects that AND the position on the IDE ribon aslo, *the primary on the last connection, secondary on the midway connection on the grey pasta looking cord. :)

Jun 15, 2009 | Computers & Internet

1 Answer

DNS error when trying to connect to internet


1- Try setting your own DNS server settings, right click on your network connection > properties > TCPIP v4 > edit DNS settings ( use dyndns.com as a dns for example).
2- Try refreshing your DNS cache:
start > run > cmd > and type: ipconfig /flushdns

Hope it helps !

Feb 01, 2009 | Dynex 802.11g Wireless-G Laptop Card

1 Answer

Changing memory cards


Easiest way to check would be to physically look. There should be labels on the memory to verify the type. It doesnt have to be the same brand or size just the same type and frequency. Example DDR2 4200 and DDR2 533MHZ are the same.

Jan 10, 2009 | Toshiba Satellite A75-S2112 Notebook

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