Mouse and Trackpad Acting Funny on Chromebook
It doesn't matter how powerful your laptop is: the touchpad can make or break your experience. After all, it's your main point of interaction with the computer, so if your cursor is slow, imprecise, or jumping all over the place, you're going to have a bad time. If you're tired of dealing with a cursor that won't work properly, here are a few solutions that may help.
Clean the Touchpad
It's gross to think about, but there's a lot of dirt, grime, and skin oils that can build up on your laptop over time. If it's been a while since you gave it a once-over, grab a soft cloth, moisten it with a bit of water (or isopropyl alcohol, if necessary), and give the touchpad a good cleaning. If it can more accurately detect your fingers dragging along the surface, it may respond better. (And hey, clean those dirty keyboard keys while you're at it, okay?)
Adjust Your Settings
Not all touchpads are created equal, but there's a good chance your laptop's drivers will let you adjust a few settings, allowing you to customize how your touchpad responds to your movements. Head to Settings > Devices > Touchpad and change the touchpad sensitivity.
In addition, you might want to turn off the tap-to-click features, or the lower-right-corner feature that comes enabled by default. Multi-touch gestures could also be causing you grief, so turn those off if you find you keep invoking them accidentally. Head to Settings > Devices > Mouse > Additional Mouse Options, and you can also try enabling or disabling Enhance Pointer Precision.
Many modern laptops use touchpads designed with Microsoft's drivers in mind, but older models might still use drivers from manufacturers like Elan or Synaptics. If your laptop falls into this category, you may have other settings hidden in Windows that offer more control.
Head to the same Additional Mouse Options window mentioned above and look for an extra tab with touchpad settings—often, you'll find more options hidden there. If that tab is missing but you know you have a Synaptics touchpad, you may be able to bring it back by rolling back the driver(Opens in a new window) or using a registry tweak(Opens in a new window)—though note that we haven't tested this ourselves.
For Mac users, go to System Preferences > Trackpad to view settings that control point-and-click, scroll, zoom, and gesture controls. Under Point & Click, you can adjust the tracking speed, the controls for performing a secondary click, and change the tap-to-click setting, which can cause a lot of accidental clicks if it's on.
Click Scroll & Zoom to adjust gesture controls for zooming in and out and rotating the screen. Under More Gestures, you can customize various swiping and pinching gestures for opening certain apps or swiping through different windows. These gestures can either be turned off or—if you keep accidentally performing an action—changed to be easier or harder to perform.
Download New Drivers
If your laptop hasn't automatically updated to the latest drivers for your touchpad, you may find some improvements have been made in the recent past. Head to your manufacturer's website—e.g. Dell, Lenovo, etc.—and punch your laptop's model number into their support page. Download the latest driver manually, install it on your system, and see if that helps.
I've also seen rare cases where users report success with updating the BIOS as well. You can even try searching your specific model laptop to see if others have had similar issues. Note, however, that you should proceed with caution and back up your computer before resorting to any experimental solutions recommended by others.
Some users may report good results with unofficial drivers not designed for that specific laptop, but this is just as likely to make things worse as it is to make them better. A popular 2017 trick, for example, involved installing Lenovo Precision drivers on non-Precision laptops, but it no longer works on up-to-date versions of Windows 10.
Use Only One Finger
This is going to sound stupid, but hear me out: much like the iPhone 4, you might be holding it wrong. Changing the way you rest your hand on the laptop could help improve its responsiveness.
Most touchpads have a form of palm detection built-in, which aims to distinguish between your pointer finger and your thumb or palm resting on the bottom of the trackpad. But this feature works better on some laptops than others, and if yours has less effective palm detection, it may not work well if you rest your thumb on the bottom for easy clicks.
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Try using the trackpad with only one finger at a time, and you may find it works better. It's far from ideal, but if you just need a working trackpad while you hunt down a more permanent solution, this may help make your laptop usable again.
Look for a Hardware Issue
If software tweaks don't get things working, it's time to start looking at the hardware itself. If you aren't comfortable opening up your laptop, you can take it to a local shop or contact the manufacturer. If you're out of warranty and the manufacturer is no help, though, you'd be surprised how far you get with a small screwdriver.
Look at the trackpad itself. Is it uneven at all? Aging batteries can sometimes bulge under the trackpad, causing it to lift up and cause erratic behavior. Have you recently recovered from a bad spill? Even if you cleaned the laptop's surface, the innards may have some water damage. In other cases, the trackpad's ribbon cable may just be loose, or the trackpad itself is faulty—in which case you can often find replacement parts online and swap them right in.
Save Yourself the Headache and Use a Mouse
You probably don't want to hear it, but here's the reality: Some laptops just have terrible trackpads, and no amount of tweaking will make it top-tier. If you aren't yet ready to buy a new laptop, it may be time to bite the bullet and resort to using a mouse. There are plenty of great wireless mice out there that will make your experience a lot more pleasant, at least when you're sitting at a desk.
Learning your keyboard shortcuts(Opens in a new window) will also mean less time spent with your finger on a junk trackpad. They're also quicker than any mouse, so they may ultimately be more helpful.
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Source: https://www.pcmag.com/how-to/fix-a-jumpy-or-inaccurate-touchpad
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