I am hearing what sounds like a fan trying to turn. The laptop was opened, closed and returned by a service center and that's when the sound started. I think that either a wire is hitting the blades, something is not seated correctly or I need to replace the fan (not a problem once I get in). I need help on how access the fan area. If I can get a copy of an shop manual or a disassemble manual I know I can do the repair. Any help will be appreciated.
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This is your cooling fan probably. You can sometimes just clean it as it traps dust, but you may have to replace it as well. I would take it in to have it replaced so it does not void your warranty. HP Pavilion dv6000 Fan Replacement
Try to clean the fan. This means you need to open your portable system. But before you do this, make your that your computer is not under warranty anymore. If it is not under warranty anymore you have all the means to experiment. Try to remove the fan and clean it. If it does not work, you need to replace it already.
The switch sound is because of heating of the motherboard and the internal hardware of the laptop. You need to clean the laptop properly and another possibility could be that your laptop cpu fan is not working well. Try downloading a Speed fan utility to make it work well.
If the computers lights are coming on and the fans are turning then the computer is receiving power. Try turning the sound on to see if you can hear the Windows Startup sounds (or Mac respectively). If you can hear the sounds then it is likely that the screen for the laptop has broken. If the laptop has a Video Card (most do not) this could also be faulty. Since you can't see anything you won't be able to fix it yourself, it will likely need to be returned to HP for laptop repairs.
try reseating the battery but before your return the battery after romving it Press and hold down the power button for 5-10 seconds then return the batt and try turning system on if it boots that will be good but if not try reseating the Hard Drive from the system then try booting again ^_^
Possibly the fan is not spinning in your computer, but if the above still does not let the system boot into windows and nothing is on the screen and u hear high pitched noise most probably the Processor on your system is toast only thing that can cause a no post with a high pitched sound is your processor
Sometimes it di happen , specialy in most laptop which is being used more frequently and longer usage, the advisable use of a laptop is atleast 2 to 4 hours then shut it off and have cool down for 30 minutes to one hour then you can used it again, unless you got a support inclined base for laptop with support ventilating fan to help down minimize the heat accumulated during the usage.
have it check your video card with the proper technician, but first try to cool down your unit and try to open it again, and if still does'nt work then have it check by the service center
I might be posting this message too late but if you're under warranty I would call Sony and have them replace the fan/heat sink unit. The guy that came out and replaced mine (model VGN-CS190) said that Sony was aware of the fan problems. Either the fans they're selling in these things are bad, or the design of the lap top doesn't allow adequate air flow and the fans are running till they fall off the bearings.
well theres more than one fan on the inside of your computer, so its possible it could be dusty and its setting the fan off balance. its also possible you have a defective fan inside and this sounds like a hardware issue, its possible theres a service enhancement on this model so i would call tech support to see if it can be sent in for repair, i know its not what anyone wants to hear but i do not suggest opening it yourself as it can be hazardous (i.e you get electrocuted)
Note: this could also be cause by overheating or being dropped (theres numerous other things but those sound like the most likely alternatives)