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Khhs179lss 4 touchpad

Khhs179lss 4: Touchpad was not registering touches. I replaced the touchpad, and now it's registering touches fine (I hear beeps) however it is not lighting up. I re-checked all cables.

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Generally these devices have 2 connections for the screen. One is the LCD screen itself which displays the screen and the other connection is the digitizer which registers touch. I'd be tempted to think that either the connection isn't on properly or is faulty.

Posted on Apr 27, 2013


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Khhs179lss touch pad replacement not working

If by "touchpad" you mean the touch screen (LCD assembly), those and their connecting strips are very fragile.
If the screen is not lighting after reinstallation, I would first check to be sure the white 3-wire cable is properly plugged back into the lower power board.
If it is, and everything is connected correctly, then you may have received a defective touch screen (LCD assembly) and would need to return it for replacement.
Again, these units are very delicate and the connectors are finicky.
I have an unedited video that shows you how to remove the LCD assembly. It would be useful in reassembly as well.
It is here:

Apr 25, 2013 | Microwave Ovens

1 Answer

Buttons on microwave

testing every step and fix it. God bless you see the diagram attached

Microwave Buttons Don't Work
Touchpad and Control Panel

If the microwave buttons don't work the touchpad and control panel assembly are probably defective.

If the microwave buttons don't work the touchpad might be at fault. Generally speaking, if the dishwasher display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad.
User Control and Display Board

If the microwave buttons don't work the user control and display board are most likely defective and will need to be replaced. If some of the buttons work and some don't, it is more likely a touch pad problem and the touch pad will need to be replaced.
Main Control Board

If the microwave buttons don't work the main control board is most likely defective and will need to be replaced. If some of the buttons work the touch pad is likely the problem. If none of the buttons work the problem may be in the main control board.1_24_2013_5_23_47_pm.gif1_24_2013_5_24_54_pm.jpg

Jan 24, 2013 | Goldstar MV-1501 Microwave Oven

1 Answer

Touchpad won't work

What's wrong with the touchpad? Rather than fix it if it is broken just replace it. In fact you can replace the whole palmrest which includes the touchpad that does not cost a lot.

Maybe you turned the touch pad off.
Click Start/Control Panel and look for the Mouse and open it to check the mouse properties. Make sure you don't have the touchpad disabled.

Some models will allow you to toggle the touchpad on or off by clicking on the button that is located at the top of the touch pad in the middle.

Some models will allow you to toggle the touchpad by tapping twice in the upper left hand corner of the touchpad.

Some models will require a keystroke to toggle the touchpad. Press and Hold the ALT or FN function key located at the lower left portion of the keyboard, then hit the key that toggles the touchpad. The correct key to hit will have the icon of a finger pointing at a square that represents the touchpad.

Maybe you just need to reinstall the touchpad drivers.

Get online and got to In the google search box type: "Acer Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Download and install the Touchpad drivers.

May 13, 2012 | Toshiba Satellite M65-S9092 PC Notebook

1 Answer

Sencitivity of touch pad how to adjust

Nearly every modern laptop computer comes with a touchpad for on-screen interaction. Depending on your operating system and touchpad driver versions, you can update the speed, sensitivity, tap speed and clicking functions of your computer's touch pad. Accessing these settings and updating them to meet your needs is a quick and easy process with both the Microsoft Windows and Apple OS X operating systems.

Change Touchpad Settings in Windows1. Open the Control Panel by clicking the Windows Start button and selecting "Control Panel." Depending on your Windows configuration, this option may be located within the Start Menu's "Settings" sub-folder.
2. Double-click the Control Panel's "Mouse" icon.
  • 3. Click the Touchpad tab. This tab can have one of several names, depending on your computer manufacturer, your operating system version and your device drivers. However, the most common labels include "Touch Pad," "Device Settings" and "Dell Touchpad." If you do not see any option resembling these, you may not be able adjust your laptop's touchpad settings. Refer to the "Warnings" section if this applies to your computer.

  • 4. Locate the "Scrolling Settings" area within the touchpad properties tab. Adjust the settings to meet your needs and then click "OK" to close the dialog boxes and confirm your changes.

  • for MAC OS

  • Click the Apple menu and then select "Preferences."

  • 2

    Click the "Keyboard & Mouse" icon.

  • 3

    Select the "Trackpad" option from the top of the Keyboard & Mouse dialog box.

  • 4

    Adjust the trackpad settings to meet your needs, and then close the dialog box to confirm your changes.

  • Dec 01, 2011 | Computers & Internet

    2 Answers

    My touch pad scroll function is not working on my Toshiba satellite M300 laptop

    To use scroll function, you have to install the touchpad drivers, which are available from Toshiba Official Support. Click Here to download the required touchpad drivers. Select 'Touchpad' from Category and install Synaptics or Alps Drivers (Depending upon the type of touchpad you have on your system).

    Hope it helps! Good Luck!

    May 25, 2011 | Computers & Internet

    1 Answer

    Touch pad is way too sensitve and any hint of accidentally touching it send mouse and/or characters all over the place. Makes this computer very difficult to use.

    Try these steps:

    1. Go to the Control Panel and double click on Mouse
    2. Go through the tabs in Mouse Properties window & find the tab where you can set up your touchpad. This differs from laptop to another since it is based on the touchpad's drivers.
    3. On that tab, find the "Sensitivity" setting. Try changing this setting to lower the sensitivity of the touch pad to the degree you find acceptable.
    4. Click "Apply" to apply the changes, then close the "Mouse Properties" window.

    May 16, 2011 | Sony 4-660-223-01 Touchpad Keyboard

    1 Answer

    I have acer aspire 4740 and its touchpad and keyboard stops working time to time! I restore it and then its fine. Why do the touchpad and keyboard stop responding??

    you have not mentioned your OS. I can only advise that you have the latest drivers for both. acer has a history of having problems with touchpad & keyboardso if still under warranty I suggest you get in touch with their service center (note-- they will take cognizance after this problem appears for 4 times!!)

    Dec 12, 2010 | Acer Computers & Internet

    1 Answer

    The touch screen is of sink

    Try to change your touch settings

    Touch the icon with 4 dots then Settings. Choose
    Touch settings. To reset the
    touchpad and make it easier to use,
    select Touchpad calibration and
    touch the crosses. Save the settings
    when you are happy with them.
    Select Touchscreen effect to reset
    touch Type, Tone and Vibration.

    P.S never push you finger too hard in touch phones

    Jan 11, 2010 | LG KC910 Renoir Cell Phone

    1 Answer

    The touchpad on my Inspiron 1545 isn't responding.


    If you reinstalled the drivers then most like there is a problem with the touch pad its self. If you are still under warranty I would call Dell Tech Support to get the touch pad replaced on the system.


    Jan 11, 2010 | Dell F3534 Touchpad

    2 Answers

    Touch pad on microwave doesn't work

    HI, since this happen before and it suddenly fixed itself, i don't think its major. i recommend checking the ribbons for a tight fit. theses connection ribbons may be lose or partiality separated form the control board, in return, causing this fault. you can accesses the ribbons by removing the backcover of this unit. if the ribbons are in good condition, i recommend replacing the touch pad membrane.

    May 21, 2009 | KitchenAid KHHS179LSS Convection /...

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