so the power supply will affect the cooling fan? If so this might be an easy fix. What about the internet switch? That was the first thing that failed. :-)~MIKE~(-: On Thu, Sep 18, 2014 at 5:24 PM, Jon Kettenhofen wrote: > Michael, > BTW, Apple publishes a hardware diagnostic CD or DVD, in fact it may be on > the original install DVDs that came with the machine. If you can boot the > machine, see if you can run the diagnostics. > Jon > > On 09/18/2014 02:08 PM, Michael Havens wrote: > >> Thefirst thing I di was to stick the live cd in. That didn't fix a thing >> plus that doesn't take care of the cooling fan issue..... did I tell you >> I get that notice right before bios takes over? >> >> :-)~MIKE~(-: >> >> On Thu, Sep 18, 2014 at 9:24 AM, Stephen Partington >> > wrote: >> >> Have you tried a live CD of any flavor to see if it persists? >> >> On Sep 18, 2014 8:35 AM, "Michael Havens" > > wrote: >> >> when the keybosrd problem stsrted about 6 months ago getting >> another keyboard was the first thing I did and there was no >> problem with it when I attached an external keyboard. You >> mentioned smoking being a problem? I've never done that. You >> wondered about the distro? I run Linux Mint. >> >> :-)~MIKE~(-: >> >> On Thu, Sep 18, 2014 at 6:08 AM, Lisa Kachold >> > wrote: >> >> Hi Mike, >> >> In order to work with the technician effectively, you are >> going to want to be closely involved with the work process. >> In this respect, you will ask him what he thinks the problem >> is, or what his first actions are, for instance if he >> recommends a full diagnostic. >> >> But first, I would do some diagnostics myself before taking >> your equipment to the technician. >> >> IT IS A GOOD POSSIBILITY THAT THIS IS DUE TO MORE THAN ONE >> CAUSE (but all related to your distro or drivers)! >> >> If you are SMOKING or exposing the laptop to soot of any >> kind, you will want to clean the laptop completely FIRST. >> >> Everyone has issues with the WIRELESS switch on older >> equipment, just futz with it, as I have never seen anyone >> have it STAY BROKEN? But this clearly would be the >> technician stage.... >> >> Various diagnostic programs exist for linux, which you might >> consider before spending money on the technician, to verify >> power supply, bus, and CPU. >> >> Intel Proc Diagnostic for Linux: >> https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID= >> 19792 >> PowerTop: >> http://xmodulo.com/2013/06/how-to-monitor-power-usage-in- >> linux.html >> >> What distro are you running? Known issues with KDE and >> Chrome with keyboard I/O are common (which I expect is the >> cause of your issues after applying a patch): >> >> http://forums.linuxmint.com/viewtopic.php?f=18&t=53398&p= >> 306336&hilit=keyboard+stops+working#p306336 >> >> Spares are your friend, so try an external keyboard and see >> if the issue follows that hardware (kernel driver) switch, >> then you can be sure that it is application/distro based >> rather than hardware based. >> As for fan control, there are various tools and again KNOWN >> ISSUES (ArchLinux) with fancontrol under linux: >> http://askubuntu.com/questions/63588/how-do-i-get- >> fan-control-working >> Karmic: >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/451337 >> >> You can use a live distro to rule out your keyboard issues - >> divide and conquer. >> >> Using OSI Level debugging, you go to the layer where the >> issue exists and traverse up and down to adjacent layers, so >> clearly there is only the human level on the other side of >> the Physical Layer 1, which is where the problems present >> themselves, so the other direction would be the drivers in >> linux. >> >> You would rule out issues here with a systematic diagnostic, >> use of spares and intelligent research. >> >> >> >> >> On Wed, Sep 17, 2014 at 8:54 PM, Michael Havens >> > wrote: >> >> What can I tell the service tech so I don't sound too >> stupid? >> >> :-)~MIKE~(-: >> >> On Wed, Sep 17, 2014 at 8:03 PM, Michael Havens >> > wrote: >> >> oh.... I forgot to say that none of the other >> computers in my house seem to have been affected >> though it may be that it needs to be power-cycled >> and/or it may be something that only affects >> wireless and something got on the phone lines (my >> home is on DSL). >> >> :-)~MIKE~(-: >> >> On Wed, Sep 17, 2014 at 7:50 PM, Michael Havens >> > wrote: >> >> >> Thank you so much for the detailed explanation, >> Jon. You know.... I have a laptop and I don't >> have a MAC but I read your troubleshooting >> non-the-less. I got to the last paragraph and >> realized something that I was told happened a >> couple of days ago that might be relevant. My >> room mate was home when this happened so this is >> second-hand knowledge. She was watching tv when >> the power went out then, a second later, there >> was a big POP down the street (a transformer >> maybe?). Everything still worked with the >> computer though; however, maybe it just needed >> to be power-cycled. >> >> Any other comments will be greatly appreciated! >> >> :-)~MIKE~(-: >> >> On Wed, Sep 17, 2014 at 6:56 PM, Jon Kettenhofen >> > wrote: >> >> Hello Michael, >> >> I'm curious, did you buy this quad new or >> did you buy it used or is it a work computer >> owned by a company? I get the feeling that >> you bought it used. >> >> There's almost always a reason for failures >> and it's usually a problem that can be >> isolated. If it's a part, it can be >> replaced. If it's something else, it can be >> fixed. >> >> When stuff like this starts to happen, it >> may be one of three things: a loose >> connection or a bad motherboard or a power >> supply. Apple builds solid hardware but >> sometimes it gets abuse or just used in a >> poor environment with too much heat and/or >> moisture or just takes a physical beating - >> they are rather heavy. Also quads, I >> believe, have water cooling. I have seen at >> least one report of leaks. That's usually >> easy to rule out if there's no leaks. >> >> So where to begin? Well, the pedant is back! >> >> You may want to take some anti-static >> electricity precautions. First, disconnect >> the Mac completely from all exterior cords, >> wires, etc. Lay it on its side where there >> is plenty of light, a clean worktop area and >> a Phillips screwdriver. As you have seen, >> it's easily taken apart, at least the easy >> pieces need only your hands. Pull the fans >> out, take the video and other cards out, >> unhinge and pull the memory sticks out and >> so on until you are puzzled how to get the >> cooling shrouds out. (Don't do that.) >> Inspect everything. Look for any >> corrosion. Remove as much dirt and dust as >> you can with an air duster can (take care >> here, the these cans may contain >> hydrocarbons that are flammable and they >> should not be inhaled!). If you use an air >> compressor, be gentle and use lower pressure >> less than 40psi. What you can't get out >> with air, start with a clean microfiber >> cloth and wipe without generating static >> (i.e. don't rub hard). Make sure all the >> connectors are clean and shiny before >> reassembling. >> >> We call this clean and re-seat the boards. >> >> Make sure you put the same memory sticks >> back into the same slots - it usually >> matters or makes a difference. If you don't >> remember, read up on it from a manual, >> usually online at Apple.com. >> >> Memory sticks are tricky because they often >> won't reseat properly without strong >> pressure. First, make sure the middle slot >> on the memory stick is lined up with the >> ridge in the bottom of the connector. The >> slots are offset from the middle on purpose, >> they are only supposed to go in one way. >> (Having burned out a memory stick by forcing >> it in backwards, I can speak from >> experience! Won't do that again!) The way to >> handle this is to use two hands, with thumbs >> or your choice of fingers at each end of the >> board. Making sure the stick is aligned >> correctly in the connector; push FIRMLY down >> until both ends of the connector snap into >> the stick. Main logic boards are epoxy and >> embedded fiber, are very strong and can take >> a little flexing without >> hurting them. Same with memory sticks. >> >> Make sure the memory is seated well - it may >> take close inspection with a flashlight. If >> the sticks are all the same size, then no >> stick should be higher than the lowest one. >> >> OK, reassemble the computer. >> >> Testing the power supply can be difficult. >> It's easier with a common desktop PC because >> the power connector is almost always on top >> of the board and easily accessible. It's >> not enough to test a power supply out of the >> computer because it won't be under load. >> >> Here's how an expert taught me to test the >> power supply on a desktop PC (but not a >> Dell!) Take a meter and set it to DC >> volts. There will be a pair of test leads >> with pointed ends to poke at things. >> >> You will push the points into the connector >> until it connects to the metal of the >> connector sleeve. Connect the common lead >> to a black wire's connector. Test all the >> colored wires with the positive (usually >> red) meter probe. Here are the correct >> voltages for a PC: >> >> Yellow +12 Volts >> Red +5 Volts >> Purple +5 Volts >> Orange +3.3Volts >> Green don't test; this turns on >> the PC when shorted to black >> White -5 Volts >> Blue -12 Volts >> Gray I think this one is for the >> power-is-on LED >> Brown Not sure about this one >> >> The important thing is that the voltages are >> nearly correct when the computer is powered >> on because that shows the power supply to be >> good when under a load. >> >> One other thing - sometimes a part can >> acquire a static charge which won't >> dissipate properly. The only remedy for >> this is to wait until it discharges (unless >> you are a motherboard repair person). >> >> Things that have hurt my equipment is >> usually near lightning strikes. Lost one >> treasured Mac to a lightning strike that hit >> the phone lines. Took out phones for three >> stories above me. Mac did not fail right >> away but eventually lost it (sniff :( ). >> Lightning strikes across the strike have >> taken out a couple ethernet ports over the >> years even though my equipment has always >> been on a UPS. Strong strike will generate >> an EMP which is sometimes picked up by a >> network wire of a resonant length. Usually, >> though, it's not serious but if the storm is >> bad, we'll turn off the electronics until >> it's past. >> >> I apologize for the length of this, but you >> get the idea of the lengths I go to fix >> things. >> >> Best of Luck and let me know how it turns >> out if you have the time, >> As always, take care. >> Jon >> >> >> >> >> >> >> >> >> >> >> >> On 09/17/2014 06:27 PM, Michael Havens wrote: >> >> first certain keys sometimes don't work >> unless I hold the key down and >> then after a time the character will >> appear (sometimes multiple times). >> So it was recomended I pop the keys off >> and clean under them. So I do >> and it doesn't fix the problem. No >> problem. I'll stick it under my table >> and attach wireless periphiels too it. >> Then I need to go visit my kids. >> So I figure I'll suffer with the >> keyboard problem. The day I left for >> Miami (at the airport) the hardware >> internet switch would not turn on. >> Then, after I arrive in Miami, I turn on >> the computer and a notice >> appears at boot saying that 'the cooling >> fan is not operating properly'. >> What problem do you think is causing >> this? I called my dad and he said >> it sounds like the hard disk is going >> bad. He also said maybe the >> keyboard controller (because of the >> internet switch). >> :-)~MIKE~(-: >> >> >> ------------------------------ >> __--------------------- >> PLUG-discuss mailing list - >> PLUG-discuss@lists.phxlinux.__org >> >> To subscribe, unsubscribe, or to change >> your mail settings: >> http://lists.phxlinux.org/__ >> mailman/listinfo/plug-discuss >> > mailman/listinfo/plug-discuss> >> >> >> ------------------------------ >> __--------------------- >> PLUG-discuss mailing list - >> PLUG-discuss@lists.phxlinux.__org >> >> To subscribe, unsubscribe, or to change your >> mail settings: >> http://lists.phxlinux.org/__ >> mailman/listinfo/plug-discuss >> > mailman/listinfo/plug-discuss> >> >> >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - >> PLUG-discuss@lists.phxlinux.org >> >> To subscribe, unsubscribe, or to change your mail >> settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> >> >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> >> > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >