In our training labs all the mice are on mousepads, but I’ve been testing on an anti-static mat when on my bench. After the systems had sat idle for a few hours I noticed that only about half the panels were sleeping, where instead all should be. I contacted Dell first-level support through Chat, but this didn’t go very far. Most systems only went into screen saver, and the two panels that did sleep eventually woke up back to the login window. I have put up this page in the hopes of helping anyone else that has seen weird sleep issues when a Dell MOCZUL model mouse is attached to your system. Still no resolution, so I install the Lenovo mice and move on.
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Dell MOCZUL mouse 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. It also caused the same issue on the Lenovo system. Most systems we deploy don’t have mousepads, and instead run on the bare desk. And some would come out of screen saver or sleep back to the login screen. As of late September I have finally reached someone at Dell above level 1, and am in the process of diagnosing the issue.
Since I never found a resolution, I simply pulled kouse the Dell mice and replaced them with the old Lenovo mice, and the panels slept fine. This test proved my theory!
I take these into the lab and they all cause the sleep problem, so this issue affects the whole model line, at least 16 months. Fast-forward a few months to April 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 mluse can’t reach sleep mode. It was when I disconnected the mouse and keyboard that the panels went to sleep. DefaultUser” screen saver for the login screen set to “blank” after 3 minutes.
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So this issue is not related mousd drivers, BIOS revisions, or even limited to a few system models, it is definitely a mouse hardware issue. Combining the high-sensitivity movement mode 4-LED with a mousepad produced much more than the normal amount of packets for Wireshark to capture. Sometimes they are enough to stop sleep, or screen saver.
I am determined to get this brought up to Dell’s attention, hopefully mkuse level or higher. Still no resolution, so I install the Lenovo mice and move on. I then let the systems go idle and watched them for minutes. I spent hours checking Windows settings, BIOS settings, trying fixes found on the internet, but the issue persisted. The best part in all this is that the mouse also affects non-Dell systems.
Fast-forward now to Septemberand this issue is still gnawing at me. Now I have about 5 different production dates to test. 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.
We imaged these with a custom built Windows 7 image. mouwe
I never tested system sleep, but I’m sure they would also bring a system out of sleep. 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 screen saver, but instead seem to reset the internal timer for activating panel sleep.
The problem was finally isolated to the mouse One of the last tests I did was also the most telling. I have put up this page in the hopes of helping anyone else that has seen weird sleep issues when a Dell MOCZUL model mouse is attached to your system. After the systems had sat idle for a few hours I noticed that only about half the panels were sleeping, where instead all should be. The original Lenovo mice never had this problem.
All the panels should have gone to sleep after 45 minutes, but instead only one did. 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.
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These systems are set to “high performance”, no system sleep, panels set to sleep after 45 minutes, and the “. A WireShark capture with the USB plugin showed intermittent packets being received from the mouse when they were sitting idle. I attempted to get this issue kouse to Dell through our reps, but this also failed.