The original Lenovo mice never had this problem. As of late September I have finally reached someone at Dell above level 1, and am in the process of diagnosing the issue. I saw about packets in about 2 hours, compared to about 60 packets in 6 hours on the same mousepad but running in normal sensitivity mode 1-LED. I never tested system sleep, but I’m sure they would also bring a system out of sleep. Sometimes they are enough to stop sleep, or screen saver. I then let the systems go idle and watched them for minutes.
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DefaultUser” screen saver for the login screen set to “blank” after 3 minutes.
Dell Silver USB Laser Optical Mouse MOCZUL | eBay
Most systems only went into screen saver, and the two panels that did sleep eventually woke up back to the login window. I take these into the lab and they delo cause the sleep problem, so this issue affects the whole model line, at least 16 months.
The best part in all this is deell the mouse also affects non-Dell systems. I then let the systems go idle and watched them for minutes.
Dell Silver USB Laser Optical Mouse MOCZUL
Most systems we deploy don’t have mousepads, and instead run on the bare desk. Sometimes they are enough to stop sleep, or screen saver. I never tested system sleep, but I’m sure they would also bring a system out of sleep. I had a theory that the MOCZUL was incorrectly detecting movement, and dsll turning up the DPI setting button on deol top of the mouse to its highest value, it would amplify this effect. What seems to be happening is the packets that are being sent from the mouse don’t always push the panel out of sleep mode or out of miczul saver, but instead seem to reset the internal timer for activating panel sleep.
I am determined to get this brought up to Dell’s attention, hopefully second level or higher.
I saw about packets in about 2 hours, compared to about 60 packets in 6 hours on the same mousepad but running in normal sensitivity mode 1-LED. And some would come out of screen saver or sleep back to the login screen. These systems are set to “high performance”, no system sleep, panels set to sleep after 45 minutes, and the “. Since I never found a resolution, I simply pulled all the Dell mice and replaced them with the old Lenovo mice, and the panels slept fine.
Now I have about 5 different production dates to test. This test proved my theory! Fast-forward a few months to April It is truly fascinating watching a room of 20 systems where the panels are randomly changing states, intermittently coming out of screen saver to the login window, or panels going to sleep only to wake up again, never going into screen saver or never reaching sleep. Still no resolution, so I install the Lenovo mice and move on.
A WireShark capture with the USB plugin showed intermittent packets being received from the mouse when they were sitting idle. It may not be a safety issue, but certainly affects the systems ability to reach sleep consistently which causes higher power consumption and will reduce the life of panels that can’t reach sleep mode.
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One of the modzul tests I did was also the most telling. It also caused the same issue on the Lenovo system. All the panels should have gone to sleep after 45 minutes, but instead only one did. It was when I disconnected the mouse and keyboard that the panels went to sleep.
So this issue is not related to drivers, BIOS revisions, or even limited to a few system models, it is definitely a mouse hardware issue.
As of late September I have finally reached someone at Dell above level 1, and am in the process of diagnosing the issue.
I spent hours checking Windows dell, BIOS settings, trying fixes found on the internet, but the issue persisted. The problem was finally isolated to the mouse I attempted to get this issue raised to Dell through our reps, but this also failed. Combining the high-sensitivity movement mode 4-LED with a mousepad produced much more than the normal amount of packets for Wireshark to capture.
We imaged these with a custom built Windows 7 image. The original Lenovo mice never had this problem. Putting the mouse on a rough nylon mousepad really brings out the issue.
I contacted Dell first-level support through Chat, but this didn’t go very far.