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You may want to first download the driver and install it into the system from the link below. Inspiron 1545 Drivers Download Page http://dell.to/14IpAJU
Erratic Pointer Movement
Here are some easy steps to take to determine the problem with a touch pad
demonstrating erratic pointer movement:
Get the latest driver from support.dell.com - Most problems
can be corrected with a simple driver download. This should always be one of the
first steps when diagnosing any touch pad problem.
Check for hand and finger placement - The most common cause
of random pointer movement is that the touch pad senses a finger or part of the
hand near the surface of the device.
Have the customer attempt to use the touch pad normally but to pay attention
to the location of his or her hands and fingers. Are any straying too close to
the touch pad?
Adjust the Touch Sensitivity and
TouchCheck settings in the Touch Pad Settings
section of the Dell Touchpad Properties.
Try an external mouse - Does this problem happen with an
external mouse attached?
The Device Select section of the Dell Touchpad Properties
has options to enable or disable the touch pad or external mouse. Try several
combinations of these settings.
If the problems only occur when the touch pad is enabled and do not occur
any time a mouse or other external device is used, then the issue is related to
the touch pad.
Check for mechanical problems - If the problem cannot be
corrected by adjusting the settings mentioned above and only occurs with the
touch pad enabled, then this could indicate a mechanical problem.
Press down on the palm rest on first the left side of the touch pad and then
the right. See if the cursor starts moving on its own.
Run Dell 32-bit Diagnostics and try to recreate the problems there. If
either of these situations occur, then replace the palm rest.
No Pointer Movement
No pointer movement from the touch pad (or track stick, if available) usually
is the result of one of two things: The touch pad has been disabled in the
driver interface, or the touch pad cable is damaged or disconnected. Follow the
steps below to determine the problem.
Connect an external mouse - In either situation, an
external mouse should still function. If it does not, try booting into Safe Mode
and testing both devices again.
Enable the touch pad in the driver settings - Using the
external mouse (or key strokes if no mouse is available), go into the Dell
Touchpad Properties. Go to the Device Select section and enable
the touch pad. If already enabled, get the latest driver from support.dell.com.
Test the device in Dell 32-bit Diagnostics - To eliminate a
potential software problem, run the Dell 32-bit Diagnostics and test the device
here.
Check for mechanical problems - As a last resort, press
down on the palm rest where the touch pad connector is located on the system
board. If the pointer reacts in some way, then the cable may just need to be
reseated. Otherwise, replace the palm rest.
Thank You, Dell-Jesse L Dell Social Media and Communities
Go to control panel -> Mouse -> "Device Settings" tab (has the synaptics logo to the left of it) -> Select your touchpad -> "Settings" -> expand "Scrolling" -> "One-finger Scrolling" -> uncheck "Enable Vertical Scrolling" and also uncheck "Enable horizontal scrolling"
If you don't have "Device settings" in the mouse setting window, then you need to install the drivers from http://www.synaptics.com/support/drivers
Try going into control panel & find the mouse section. See if you can adjust the sensitivty down. You may have a program built in from acer to adjust this too. I reccomend turning off the tap feature on the mouse pad. When they get old they get real touchy. If turning the sensitivity down doesn't work, you can try & see if there's an updated driver or re-install the old one. If all else fails,it's time to head to ebay to find the touch pad.
The "Touchpad is very sensitive; if you look while scrolling, the "scroll-bar" will turn (Blue), click on the ("scroll-bar"), until it turn "Gray." Note: "You ca use the Pointer Device / Touchpad without using the Scroll-bar, basically anywhere on the screen; ("bottom scroll-pad" = left to right"), and ("right -side edge scroll-pad = up & down").
Actually, you are probably tapping the mouse pad with your thumb while you are typing, and do not even notice it. It use to happen to me all the time until I purchased an HP that has a button above the mouse pad to shut it off.
Just start typing with your thumbs held high, and you will be ok.
When you are booting up from a cold shutdown, Tap the F2 key until you enter the Bios/System Setup Pages. Usually you use the Alt+P key combination to navigate in these pages, but there should also be a legend at the bottom of these pages to indicate what keys change pages. In these pages you will come upon your option to choose pointers. One is usually, glide pad + mouse. I'd try that first, as it senses when a mouse is attached and disables the glide pad. However, this doesn't always work with Dells. So, if that is the case, choose Mouse Only for a PS2 Mouse and or Serial for a USB Mouse.
The Glide Pad is found in the Control Panel, Mouse where you have a property tab that has the settings for your glide pad. Besides setting pressure sensitivity you can also disable it in some Dell Systems.
If none of this works for you, look on the bottom of your laptop for the Service Tag number and send that set of numbers and letters to me using the comment box below and I'll find you the driver update that should repair your Glide Pad.
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