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Laptop squeals at boot

I have an Acer Aspire 5100-3357 Laptop that squeals when it boots up.  If I push some keys, and it really doesn't matter which, the squealing goes away and the computer boots to windows.
A little background info:  When I first had this problem a few days ago, it was even worse.  After the squealing stops and the computer boots up, the cursor would take off or skip a letter while typing a document or if in text box of any kind.  I removed the keyboard and blew it out with my air compressor and it worked great for about three days.  Now the squealing is back, but the typing is fine.
I'm not exactly positive the squealing is the keyboard, but it seems to be.

Any ideas?

Thank You in advance!
4 Solutions

The noise could be from a bad CPU fan.
I've never heard of a keyboard that "squeals". Unless that is, you have a key that is sticking intermittently. I tend to agree with the first comment in that it could be the cpu fan or the heat sink fan. Normally you get grinding noises with those types of hardware failures. But squeals are common as well.
could also be the disk drive..
can you record and post the squealing noise ?
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philw3995Author Commented:
Thank you for your quick responses!

I would like to keep this post open until we figure out the problem.  The computer hasn't made the sqealling noise since the first post.  I think it could of been a stuck key since the cursor was doing crazy things while typing.

But, now that the cursor isn't doing that anymore and it still squealled at me, it could be a Fan or possibly the Hard Drive like you guys have mentioned.

Will keep you posted.
Thanks again!
I would lean towards the can myself. Ussally if the hard drive squeals it will not boot or the OS would be extremely slow. I would put my ear to the machine next the the fan exhaust the next time it happens. Or is the squeling coming from the speakers. As nobus had suggested, if you can record the noise and post here we could make heads or tails from the noise if we heard it ourselves.
philw3995Author Commented:
Okay, I had my neighbor bring his laptop back over, but it never would make the noise for me after 2 days.
He picked up the computer and took it home and it made the noise as soon as he started it.  This time I had him listen to where the noise was coming from.  He said it was coming from the speaker.  So I had him unplug the printer and the noise went away.
Maybe the printer got a surge of electricity and the computer was giving us a warning???
Thank you all for your expertise!!!

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