No man is an island

This Wednesday i got my new MacBookPro delivered. Since i worked a lot that day and got home only late i was nearly happy to be too tired to be really excited. This gave me the opportunity to calmly get that thing up and started.

Well, we all know what is inside and what we were promised and in my opinion so far the MBP is a fine device and well worth having the apple logo on it, except on little annoyance that my MBP sadly also got (read here)

The first moment that whining sound got my attention i couldn’t stop noticing it. I was already thinking about returning the unit when i discovered a few simple steps to make that thing quiet (besides shutting it down ):

(Okay, for some reason the paragraphs dont get displayed like i want them to)

Anyway! First of i noticed after some careful listening and experimenting with different settings that there are several sounds.

The first one is the one most noticeable and i think it comes from the the backlight power transformer. As soon as i choose anything besides maximum or minimum brightness there is a very noticable whine. This whine consists of two sources in my case: The display itself and a component somewhere in the right half of the mac.

The second sound is only really dominant as soon as i run on battery power and i thing it’s a sympathetic resonance effect related to the CPU(s). Switching of one core with the CHUD tools is said to eliminate it as well as running any kind of application that eats power on a constant level (e.g. PhotoBooth).

For me personally i can live with that whining sound. It’s nearly gone the way i normally use the MBP (full brightness, power connected, dispay angled slightly more than 90% (yes, that is a factor too)).

This entry was posted on Sunday, February 26th, 2006 at 8:01 pm and is filed under Mac, apple. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.