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#1
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What Link between Mouse and Audio Circuitry?
It has happened twice now, that a failing mouse
(1) triggered audio malfunction (chattering playback) and then (2) system hang, with no mouse or keyboard function (which sometimes persisted after reboot, wasting much time until I figured things out.) It is my own fault for (a) preferring trackballs over mice and (b) preferring Logitech hardware over other makers'. The units that failed were a Logitech TrackMan (approx. 1992 i.e. in use for 15 years) and a Logitech 3-button mouse (model S-35, perhaps equally antique.) Both times (it seems) installing a new mouse ended the problem (fingers crossed.) But I cannot understand why defective pointer hardware should interfere with audio playback. How so? -- Don Phillipson Carlsbad Springs (Ottawa, Canada) |
#2
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What Link between Mouse and Audio Circuitry?
On 6/22/2011 7:50 PM, Don Phillipson wrote:
It has happened twice now, that a failing mouse (1) triggered audio malfunction (chattering playback) and then (2) system hang, with no mouse or keyboard function (which sometimes persisted after reboot, wasting much time until I figured things out.) It is my own fault for (a) preferring trackballs over mice and (b) preferring Logitech hardware over other makers'. The units that failed were a Logitech TrackMan (approx. 1992 i.e. in use for 15 years) and a Logitech 3-button mouse (model S-35, perhaps equally antique.) Both times (it seems) installing a new mouse ended the problem (fingers crossed.) But I cannot understand why defective pointer hardware should interfere with audio playback. How so? Mice, Keyboards, trackballs, and just about any other input/output device compete for access to the computer's interrupts, memory, and CPU time. Normally the drivers for each device has been written in a such a way that allows them to share the resources with out affecting the other devices. When something does go wrong, like a a stuck button, key, or a device driver gets corrupted then just about anything can be affected. Even if a device drive is not corrupted by something like a virus it might just have been written with an older operating system in mind and is no longer quite up to the current standards making it subject for intermittent or total failure. |
#3
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What Link between Mouse and Audio Circuitry?
On 6/22/2011 8:50 PM, Don Phillipson wrote:
It has happened twice now, that a failing mouse (1) triggered audio malfunction (chattering playback) and then (2) system hang, with no mouse or keyboard function (which sometimes persisted after reboot, wasting much time until I figured things out.) It is my own fault for (a) preferring trackballs over mice and (b) preferring Logitech hardware over other makers'. The units that failed were a Logitech TrackMan (approx. 1992 i.e. in use for 15 years) and a Logitech 3-button mouse (model S-35, perhaps equally antique.) Both times (it seems) installing a new mouse ended the problem (fingers crossed.) But I cannot understand why defective pointer hardware should interfere with audio playback. How so? If there is a connection it is could be tenuous -- at least as far as Logitech trackballs are concerned. I have Logitech 'thumb' trackballs on three computers now and have worn out two others (it is always the switches that fail for me, BTW), having started using them when they were first introduced. I am so used to these devices that I'm hardly able to use a mouse proficiently. If it were strictly a matter of 'bad trackball = bad sound' then moving the trackball to a different system should yield consistent results. Have you tried that? As for the causal connection, one possibility which comes to mind is that something in the trackball/mouse is generating false data which overloads the system and is eating up enough time to disrupt the timing of data going through the audio circuits. Maybe I'm biased against switches but I'd probably look at them first though I guess it could be anything within the trackball generating and queuing up false information which is then dumped onto the computer to handle. Is there some commonality in the way you use these devices? Chemical fumes? Smoking? Liquids? Alien probes? Have you considered opening the devices and cleaning them using some neutral solvent which is safe for use with delicate circuitry? Just grasping at straws here -- when mine have failed it has always been an obvious 'I pressed the button normally but nothing happened but if I really lean on it then it sometimes works...' sort of thing. BTW: I have recently switched over to Logitech's 'Unifying' wireless keyboard and trackball on my main Shuttle system and have found them to be excellent. |
#4
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What Link between Mouse and Audio Circuitry?
"John McGaw" wrote in message
... On 6/22/2011 8:50 PM, Don Phillipson wrote: . . . my own fault for (a) preferring trackballs over mice and (b) preferring Logitech hardware over other makers'. The units that failed were a Logitech TrackMan (approx. 1992 i.e. in use for 15 years) and a Logitech 3-button mouse (model S-35, perhaps equally antique.) Both times (it seems) installing a new mouse ended the problem (fingers crossed.) BTW: I have recently switched over to Logitech's 'Unifying' wireless keyboard and trackball on my main Shuttle system and have found them to be excellent. Yes, I smoke a pipe which is utterly condemned by the local PC builder (who showed the surprising thickness of gunge the CPU once accumulated) . . . JM's upgrad is promising: I shall shop and probably follow suit. -- Don Phillipson Carlsbad Springs (Ottawa, Canada) |
#5
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What Link between Mouse and Audio Circuitry?
On 6/23/2011 10:16 AM, Don Phillipson wrote:
"John wrote in message ... On 6/22/2011 8:50 PM, Don Phillipson wrote: . . . my own fault for (a) preferring trackballs over mice and (b) preferring Logitech hardware over other makers'. The units that failed were a Logitech TrackMan (approx. 1992 i.e. in use for 15 years) and a Logitech 3-button mouse (model S-35, perhaps equally antique.) Both times (it seems) installing a new mouse ended the problem (fingers crossed.) BTW: I have recently switched over to Logitech's 'Unifying' wireless keyboard and trackball on my main Shuttle system and have found them to be excellent. Yes, I smoke a pipe which is utterly condemned by the local PC builder (who showed the surprising thickness of gunge the CPU once accumulated) . . . JM's upgrad is promising: I shall shop and probably follow suit. The new trackball uses the same optical system to measure movements as their older units do. If some environmental issue is causing problems with the old ones it will probably affect the new ones similarly in time. One thing you might try is to take a cotton swab slightly moistened with a strong window cleaner and clean the little dark-colored window inside the ball retaining socket. That is where the optical sensors live and if it is something as simple as smoke residue causing problems that ought to at least help a bit. I really doubt that smoke could be getting inside that assembly so the problem, if it exists, should be on the outside and theoretically cleanable. |
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