I spilled a glass of juice on my laptop, which is a problem in and of itself but I'm up to that task. However when I took the bottom off the laptop with a view to simplifying the cleaning process, I found there was a separate modular component at the front of the layout connected to the main board by power wires. This was the only connection. The module had two "soft" buttons on it. Buttons which obviously could not be accessed when the computer was assembled. I've looked through what manuals I could find and haven't found this described. Can anyone tell me what it is, what it's for and what the buttons do?
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Can you upload a picture?– sbrm1Commented Dec 12, 2016 at 14:08
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Clearly it's a battery, I'd guess the CMOS one - but with two buttons?– Neil McCullochCommented Dec 12, 2016 at 19:26
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Obviously a batter, probably the CMOS one, but the two buttons do what? And if I can figure out how post an image, I shall...– Neil McCullochCommented Dec 12, 2016 at 19:31
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!IMG_20161212_134942.jpg !IMG_20161212_135126.jpg !IMG_20161212_135141.jpg– Neil McCullochCommented Dec 12, 2016 at 19:38
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1It looks like speakers to me.– fixer1234Commented Dec 13, 2016 at 4:37
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1 Answer
They're speakers.
As per the fine service manual -which you can find here - its part number 641840-001 and you can find it in page 94
Those 'buttons' appear to be square speakers made by vansonic/Veco - if you needed to go beyond mere curiocity, you can likely find the exact model based on size. Those arn't buttons, and you don't want to push on them.
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Here's the correct manual: h20628.www2.hp.com/km-ext/kmcsdirect/emr_na-c03659338-3.pdf. The speaker assembly on this manual (pg. 94) also matches the one pictured. The spare part number is 641840-001.– BobCommented Dec 13, 2016 at 5:58
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Fixed ;p - I literally had a dyslexic moment with the model numbers– Journeyman Geek ♦Commented Dec 13, 2016 at 6:00
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Brilliant! I don't usually associate laptops with speakers or I would've figured that out. Thank you peeps, at least I learned how to post images... Commented Dec 14, 2016 at 19:20
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Service manuals are awesome even when you know what you're doing. HP actually does a very good job at making them available, even if they're a little known resource.– Journeyman Geek ♦Commented Dec 15, 2016 at 0:53