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no audio at all


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#1
ksoup

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hi,
two days ago, 16 minutes into running a full system scan with Avira antivir
i got a message telling me: I:\$mft couldn't be saved
and the data had been lost and to try and save it elsewhere...
30 seconds later, another message said: I:\system volume data cannot be saved
again it was lost and to try and save it elsewhere...

i stopped the scan and checked I drive to find that there was no audio for any file
music movies zero zip...

i tried a dvd and youtube and got the same result; no sound at all

i could understand if it was the drive only
but for outside sources like the dvd player and internet to also have no audio
makes me think it is an internal issue with the CPU...
if i turn the volume up i can hear the speaker noise and they work fine with other equipment

this has happened in the past, the same message and what have you
but has always righted itself gradually after a few hours...
this time however, not.

last night while checking, the audio track simply howled with feedback
and clicks like a switch being toggled...
then an hour later, no sound at all again

i live within the triangulation of an embassy, ambassadors house and the communication block for the embassy,
could it be some sort of interference from that??
recently while watching movies, the audio has been lost temporarily
and covered with feed back and the clicking
only to come back after 5-10 mins and work fine...

thanks for any suggestions
bemused and confused
ksoup
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#2
Macboatmaster

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Hello again I helped you with the printer problem a short while ago

1. The $Mft error
Master File Table
See this
http://knowledge.sea...US/FAQ/205047en

2.

could it be some sort of interference from that??


VERY doubtful
I have a little knowledge of such matters, being a licensed radio operator.
Indeed not only do I operate and install marine radio systems, sound systems for PA, but I also hold a transmitting licence for transmissions across many bands of amateur radio
If the interfeence was whilst connected wireless, which is of course normally 2.4 Ghz or 5Ghz then it is a SLIGHT possibility
It does not have to be a transmission on that frequency but may well be a harmonic of the frequency - in simple terms a multiple of the frequency - in very unusual cirumstances a piece of the computer hardware, which in itself its not intended to receive frequency transmissions MAY be effected by such. However we would have to be talking about HIGH POWER transmissions and very CLOSE to the computer.




3. I see the sound problem at this stage - as either a fault - defect on the integrated audio - sound card OR indeed you have an other hardware fault - which is causing both


4. I see the first approach as being - from the link OR depending on the make of the external drive another ultility or of course a simple chkdsk /r on that drive
Could take a long time on a large drive

Edited by Macboatmaster, 30 September 2012 - 08:37 AM.

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#3
ksoup

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hi

thanks for the info macboatmaster,

today i opened the beast to find the sound card manufacturer
and was it dursty inside or what...

i got in there and gave it a really good wipe over and plugged it
all back in and what do you know, the sound worked perfectly!!

at this stage i'm not going to push my luck by fiddling with it anymore

thanks heaps for the help

kambell soup
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#4
Macboatmaster

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I am pleased for you

got in there and gave it a really good wipe over and plugged it
all back in and what do you know, the sound worked perfectly!!


May I ask if you have ensured in the clean, that the fan blades, their housings and especially the CPU cooling fan and the fins of the cooler below that are clean

A soft brush and a cotton bud are ideal
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#5
ksoup

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hi
no, i didn't think to check the fan blades or housing...
will do that as soon as i finish here...
cheers
ksoup
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#6
Macboatmaster

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Cheers
As I said the CPU and its cooling fins
BE VERY GENTLE and ensure you DO not disturb the clips holding the cooler to the CPU
If you need more advice just post.
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