i also have a hp dv4040ca,, and the acer 8104::
when the lapto is on power or battery and i have the speed adjust on both at portable :: 798mhz i hear no whinning noise...
ONCE i put the speed up to...
i personally think this high pitched noise tat everyone is talking about is
the INTEL CHIPSET the new one they are using..
if u take a look at the notebookreview.com under toshiba
for the m40 - m45 they are experiencing same...
haha i had that problem with the numlock..
U know what cured it?? a nice format and recovery
and the problem is gone
not sure what or how it happened but i wonder what it was that caused the numlock key to act this way!
that horrible. futureshop did that to me with my one compaq laptop i had.. they brought it back all banged up etc etc, and then i complianed and they gave me a new one
anywya with acer I dont know why u bothere to send it back
jsut for browsing etc
i wanted another portable futureshpo had ggiven me the compaq 3470 amd 2.2 dtr
battery life stinks on it
andit's a beast