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I recently purchased a Acer Aspire TimelineU M5-481TG-6814, only to discover that the sound isn't working. Through my research, it seems that the most probable cause is that the onboard audio is disabled in the BIOS. However, the option to enable the onboard audio just isn't present in the BIOS.

So my question is: is there any way of accessing such settings in the BIOS?

Some extra information: link my purchase
System BIOS version: InsydeH20 Setup Utility Rev3.7, V1.05

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closed as not a real question by Synetech, ChrisF, BBlake, 8088, Ƭᴇcʜιᴇ007 Dec 18 '12 at 19:01

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

It is unlikely that there will be any such settings in the BIOS; laptop BIOSes do not generally have those kinds of settings. I suspect that the research you did was referring to a desktop motherboard. You should change the question to address your audio problem instead. – Synetech Dec 15 '12 at 6:23
@ Synetech, thanks for the answer. Believe me when I say that the problem was not at the OS or software level. I realize that the BIOS does not have that setting, which is a shame. I was hoping there might be a way to "unlock" the BIOS, whatever that might mean. Is there any reason why such settings are not offered on laptops? – FlxEx Dec 18 '12 at 0:07
Brand-name systems, particularly laptops commission BIOSes written specifically for their hardware, though it will usually be derived from standard, generic BIOS code for the most part (for example, you will see something in the BIOS screens like Written specifically for Acer). Obviously, specially written code will be more expensive, so they will usually skimp on the BIOS features for anything but the high-end systems. Your audio card is highly unlikely to be disabled in the BIOS. In what way does it not work? What tests have you tried? – Synetech Dec 18 '12 at 6:26
@Synetech Since you insist, here is a list of things I did: first I should say that no audio card is detected in the device manager. I tried every possible combination of updating, re-installing, uninstalling, any driver that might be connected to the audio. I tried the Acer website, the windows default drivers and the original shipped drivers (that I had saved elsewhere). Finally I booted on Ubuntu 12. At this point I'm just curious about the issue, since I shipped the laptop back for a replacement. – FlxEx Dec 24 '12 at 1:41

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