I have a Dell also. the pointer acts like it is grabbing everything. It opens everything it touches. It is hard to even go to the touchpad settings as it opens so many things that it crosses. I have cleaned the touch pad but still acts crazy. Help!
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The erratic pointer in the dell inspiron 1545, is a common fault. The usual cure, is to unistall the driver. Reboot install the driver again. Also check your graphics settings. If that doesnt cure the problem. You will need to overwrite/erase your hard drive do a fresh install.
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
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
First, the mouse:
[Pointer Options] tab
uncheck "Automatically move pointer to the default button..."
Right-click [My Computer]
open the +Mice and other pointing devices
Right-click on your touchpad entry (if you can't tell which one, pick one - no harm will come)
You can update driver...
or you can uninstall it and WINDOWS WILL RE_INSTALL IT>
Let us know the outcome ... and how many seconds it took to fix...
If your cursor moves erratically on the screen (for example, if it jumps around the screen, moves at varying speeds, or selects items on its own), perform the following steps:
1. Clean the surface of the touchpad with a dry, soft cloth to remove grease, sweat, moisture, or other liquids.
2. Adjust the sensitivity of the touch pad:.
a. Click the Start button and click Control Panel.
b. Click Printers and Other Hardware.
c. Click Mouse.
d. When the Mouse Properties window appears, click the Pointer Options tab.
e. Under Select a pointer speed:, click to move the slider bar closer to Slow.
f. Click OK.
g. Check to see if the touch pad still behaves erratically.
3. If the touchpad still caused the cursor to behave erratically, attach an external mouse to your computer and restart your computer. Use the external mouse to see if your cursor still moves erratically.
4. After connecting an external mouse, uninstall the touchpad driver from the Device manager listed under the "mice and other pointing devices" category and restart the Computer.
5. Download the Touchpad driver compatible to the Operating System installed on the Computer from the manufacturer's site and install it after restarting the Computer.
In windows xp go into start menu, then into control panel then click on appearance and themes, then move your mouse over to mouse pointers click on it , uncheck "enhance pointer precision, and click apply, that will stop the mouse from acting crazy, this will work with dell mouse pointers and most.
This is a very common problem for most Dells this age.
You can try this repair if you feel comfortable.
Remove the keyboard by removing the power button bar (just gently pry up from the right side working left)
re-insert the mouse cable which is coming from the pad/palm rest. Re-assemble.
Check if all the screws on bottom of the unit are tight, especially around the palm rest area.