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. As of late September I have finally reached someone at Dell above level 1, and am in the process of diagnosing the issue. Now I have about 5 different production dates to test. Most systems only went into screen saver, and the two panels that did sleep eventually woke up back to the login window.
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Dell 6-button Silver USB Laser Optical Mouse MOCZUL – 1khd8
A WireShark capture with the USB plugin showed intermittent packets being received from the mouse when they were sitting idle. Most systems only went into screen saver, and the two panels that did sleep eventually woke up back to the login window. It was when I disconnected the mouse and keyboard that the panels went to sleep. I then let the systems go idle and watched them for minutes.
Dell Silver USB Laser Optical Mouse MOCZUL | eBay
And some would come out of screen saver or sleep back to the login screen. Fast-forward now to Septemberand this issue is still gnawing at me. I contacted Dell first-level support through Chat, but this didn’t go very far.
The original Lenovo mice never had this problem. Mozcul am determined to get this brought up to Dell’s attention, hopefully second level or higher. The best part in all this is that the mouse also affects non-Dell systems.
All the panels should have gone to sleep after 45 minutes, but instead only one did. 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.
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.
So this issue is not related to drivers, Ddell revisions, or even limited to a few system models, it is definitely a mouse hardware issue. mouwe
One of the last tests I did was mousse the most telling. 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 problem was finally isolated to the mouse I attempted to get this issue raised to Dell through our reps, but this also failed. It also caused the same issue on the Lenovo system.
Still no resolution, so I install the Lenovo mice and move on.
We imaged these with a custom built Windows 7 image. Putting the mouse on a rough nylon mousepad really brings out the issue.
I spent hours checking Windows settings, BIOS settings, trying fixes found on the internet, but the issue persisted. In our training labs all the mice are on mousepads, but I’ve been testing on an anti-static mat when on my bench.
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.
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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.
These systems are set to “high performance”, no system sleep, panels set to sleep after 45 minutes, and the “. Combining the high-sensitivity movement mode 4-LED with a mousepad produced much more than the normal amount of packets for Moczjl to capture. It is truly fascinating watching a room of 20 systems where the panels are randomly movzul 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.
This test proved my theory! Now I have about 5 different production dates to test. Sometimes they are enough to stop sleep, or screen saver. As of late September I have finally reached someone at Dell above level 1, and am in the process of diagnosing the issue. Fast-forward a few months to April 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.