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I have a Toshiba L35 S2161 Laptop. My curser jumps all over the place while I am typing. It takes a long time to complete a sentence because I have to go back and bring the curser to where I want it REPEATEDLY. I do NOT touch the touchpad while I type. This is a new problem. I have been using this laptop for about 18 months and the problem started about a month ago.

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I have the same prob with my laptop, the solution is to go to the manufacturer web and look up your model laptop and download the newest version of your touchpad driver or th synapsis driver for touchpad it will allow you to change the sensitivity of the touch pad, believe it or not you unknowingly touch the pad while typing

Posted on Jun 01, 2008

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My toshiba L35-S2161 the monitor only displays lines in colors, what to do to fix it


Since you diagnosed by using an external VGA monitor, you now know the fault lies in either the Video Cable, or the Display Assembly.

Your graphics chipset is good.
(Also known as GPU. Graphics Processing Unit )


A) Video Cable:
(Toshiba = LCD FL Cable )

See if the connections are good. Check the motherboard side connection of the Video Cable, AND the LCD screen side connection.

A loose connection can do this.

1) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L35/taking-apart-laptop-1.htm

2) http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L35/remove-notebook-screen.htm

(On both links above you can click on the photos to enlarge )

Observe the sheath of the Video Cable for obvious signs of damage.
If the cable looks pinched, stretched, or torn, the tiny wires inside the cable may be damaged also.

Best method is to remove the Video Cable, and perform a continuity test of the wires inside the cable, with a multimeter.
(An economical unit can be purchased for around $8 to $12.
Analog or digital is fine )

B) Display Assembly:

Video Cable checks out OK;

1) Check the connections to the screen Inverter board.
Make sure they are tight. Make sure the Inverter board does not appear to be damaged.

2) Screen Inverter board:

Primer;
An LCD screen does not produce light. It needs an additional light source.

http://en.wikipedia.org/wiki/LCD_screen

A Backlight is the additional light source.
A Backlight is usually a CCFL, or a series of LED lights.

The Toshiba Satellite L35-S2161 Notebook PC, uses a CCFL for a Backlight. (Uses 1 CCFL)

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

(Average size is 2mm Thick, and is close to the width of the LCD screen in question, Long )

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

It is located behind the Display Mask, (Display Bezel), and mounted towards the bottom of the LCD screen.

http://www.zkarlo.com/selected-zkarlo-part/inverter-board-p2215.php

A bad screen Inverter usually causes a garbled display, or doesn't light the Backlight up.

To test a screen Inverter you need a sensitive multimeter, or use a spare Backlight bulb that is known to be good.

Bulb lights up the Inverter is good, the Backlight in the LCD screen assembly, is bad.

[ The LCD screen is composed of layers. These layers are held in place by a metal Screen Frame. {Resembles a picture frame }

The Screen Frame comes apart.

Screws are removed, and the Screen Frame comes apart in four pieces, (Four sides), or the Screen Frame comes apart in two pieces as an Upper half, and Lower half.

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L35/big/satellite-L35-screen-08.jpg

The Backlight bulb is taped to one side of the LCD screen layers, and is under that side of the Screen Frame.

The LCD screen layers MUST be kept aligned, as they were from the factory. For this reason alone, it is tedious for an experienced technician, and is usually not done at the consumer, or DIY level.

http://www.zkarlo.com/selected-zkarlo-part/lcd-cable-p2216.php

More in a Comment.

Regards,
joecoolvette

Feb 05, 2012 | Computers & Internet

1 Answer

Driver updates


This link will Driver Regtool help you out if all you need is driver updates. Hope this helps

Dec 21, 2011 | Toshiba Satellite L35-S2161 Laptop...

1 Answer

Can't get into BIOS on my Toshiba Laptop


Hi
No manufacturers password that I have ever heard of but you can remove your keyboard and disconnect the mother board (BIOS) battery. Leave it disconnected for a few minutes. When reconnected the password should be gone. A few laptops actually have a jumper to do this.

Mar 29, 2010 | Toshiba Satellite L35-S2366 Notebook

1 Answer

When I am typing quicky on my laptop keyboard the


reinstall drivers of your touchpad and adjust cursor rates to minimal settings.

Mar 25, 2010 | ASUS Laptop Keyboard for Asus A3, A6, A9,...

1 Answer

Fixing DC Jack for Toshiba Satellite L35 cost how


I believe the L35 uses what is considered a satellite power jack which means the actual jack is not soldered to the motherboard but uses a cable and plug, therefore is the easiest of the power jack repairs. The cable can be found on ebay for around 30 bucks or less. I usually charge 50 bucks for the labor plus the part, the laptop has to be disassembled to complete the repair. Below is a link for disassembly if you want to use it as a reference and perfrom the work yourself.....

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L35/taking-apart-laptop-1.htm

Jan 04, 2010 | Toshiba Satellite L35-S2366 Notebook

2 Answers

My curser keeps jumping into the middle of my sentence when i type.


If you have a laptop with a touchpad just below the spacebar be careful that you are not accidentally hitting the touchpad. I had an identical problem on one of my laptops, and simply switching to using a mouse and turning off the touchpad fixed the problem for me.

May 27, 2009 | Computers & Internet

1 Answer

When typing, my curser will usually jump to the middle of a previous sentence and start typing in the middle of another word. It does not seem to matter what program I am using. Any suggestions?


go into mouse properties and look for a check mark that says something like "disable touchpad while typing" make sure thats chkd off. if not chk the box and problem solved

May 17, 2009 | Dell Inspiron 1501 Notebook

1 Answer

Typing frustration


you are likely touching the mouse touch pad while typing.
try covering it with cardboard and see what happens.

Mar 02, 2008 | Acer Aspire 3680 Laptop

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