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1301
January 15th, 2021 06:00
Precision 7550 - fixed touchpad intermittently not responsive
I got a Precision 7550 in Jan 2021. In the first week of using it, I found that the touchpad taps, touchpad buttons AND a wired mouse would all intermittently, but frequently, not respond on a basic left click. It made the laptop frustrating to use, and I was on the verge of returning it. But I think I found a work-around solution. I turned off the 3-finger and 4-finger gesture options for the touchpad. ( Settings --> Devices --> Touchpad (left column list) --> deselect all except "Tap with a single finger to single-click". Set all "Three-finger gestures" and "Four-finger gestures" to "Nothing"). I was never going to use these functions anyway as I mostly use a mouse for detailed CAD work. So far this seems to have worked, and I can now rely on the basic touchpad taps and clicks every time.
DELL-Cares
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January 16th, 2021 00:00
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TH13TX
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July 25th, 2021 05:00
I'm replying to my own post, because I found a permanent solution to my intermittent mouse/touchpad issue. In the "Device Manager", I went to "Mice and other pointing devices", and saw that there were two "HID-compliant mouse" listed. I right-clicked each one, and went to "properties". One had a location of "on I2C HID Device" and one had a location of "on USB Input Device" (which was the mouse I wanted, my wireless mouse with a USB plug). To end the random and intermittent mouse scrolling, I right-clicked on the HID-compliant mouse "on I2C HID Device", and chose "Disable Device". This ended my problem. I have had no further random scrolling or unresponsive clicks. Note: at first I tried "Uninstall Device", only to find that it re-installed on it's own shortly afterwards. I was able to re-activate all the touchpad gestures which I had turned off in my original solution. If you don't see both HID-compliant mouse listed, try "View" at the top of the Device Manager and click "show hidden devices".