I just bought an acer x1320wh and would like to know from someone who has the exact same model, if they hear a distinct, constant whine/whistle coming from, presumably, one of the fans.
it is particularly noticable on startup.
I'd like to know this, to determine if it is a defect that can be repaired (replace the fan) or if they are all like that.
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Re: acer x1320wh fan whistle/whine?
If its new out of the box its under warranty! ! If not you'll have to pay to have the fan unit replaced! You may have just been unlucky and something has entered the slots where the fan exhaust is!! They dont give trouble! In that way, its down to a foreign object! ! Could be even as little as a ball off airoboard packaging. You could get away with just having it cleaned out... (every single part of a laptop is changeable, there built like lego.) Good luck with it!
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Do you know the specific model? The blinking lights are definitely an indicator of an error, but it could correspond to different things in different models. But to give you an idea it usually means a bad power supply. Depending on the model tv you have it could mean a simple $2 capacitor or a $50 power supply board. Either way...I assume it doesnt turn on....Did you ever hear a faint whine or whistle fromthe tv? If you unplug it....and then plug it in do you hear anything at all?I will try and diagnose it for you if you like....
The whining if it sounds like a mosquito type whine! it can be a capacitor, i have same issue, you can usually hear when u are on standby but if your hearing like a "wheel of fortune"! and slowing down would likely indicate it's a fan which is possibly covered in dust and the whining is the fan stopped trying to power forward or it slowly moving and slowing down. If you think it's the fan you should unplug your TV to avoid the fan burning out then have someone who knows what their doing take a look at than fan for you and clean the dust away from it, you may be able to get some access through vents in the side and can try your vacuum cleaner in those vents while TV is unplugged but i'd not go messing inside a TV without wearing some rubber gloves!
Looks like the engineer would need to remove TV casing, check fan to see if it is blocked with dust or not, or if just failing for other reason then either clean or replace. If you don't get it done and the fan fails to cool the TV your risking other vital components overheating and breaking for good so best get it looked at, sounds like the fan to me...
well it could be a few things but most likely you belt is sliping. That is very common and happens to all cars over the years if the belt is not changed. You should check it out. The belt could be bad but it could also be a bad pully. If you dont know what these parts are look them up on google. its very simple
It could be the fan since many modern fans are speed controlled and fed with chopped voltage with a frequency of a couple of kilohertz which we would interpret as a squeal.
It could also be the impending failure of one of the power circuits which when approaching failure may emit noise in the audible range although they typically operate well above our hearing.
I'm not sure about your set and don't have time to research it right now, but many of the rear projection units have a color wheel that also turns at a high rate and from what I know of them, they are fairly costly to replace.
Those three are possible suspects and of them, only the fan replacement is something the average owner can deal with.