No sound ob my desk top, reloaded my audio software to no avail.

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-27507-1&lc=en&dlc=en&cc=us&os=228&product=433559&sw_lang=&key=null&site=null

Here is the driver for audio

here http://www.techrepublic.com/software/conexant-hd-audio-smartamc-hd2-42300-windows/588489?promo=100511&tag=mantle_skin;content or this one http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?cc=us&lc=en&dlc=en&softwareitem=ob-42513-1
i think the top one is definitely correct.. but the lower one is from HP

before you can installed sound driver on your hp, you will need to get Microsoft Universal Audio Architecture software, which can be downloaded from the link below, after downloading install the software and it will bring out all the hidden audio devices that have been installed,then you can proceed to the audio driver installation.

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=321957&prodSeriesId=3782310&prodNameId=3782359&swEnvOID=1093&swLang=13&mode=2&taskId=135&swItem=ob-47284-1.

this is the link for the audio driver;
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=321957&prodSeriesId=3782310&prodNameId=3782359&swEnvOID=1093&swLang=13&mode=2&taskId=135&swItem=ob-69700-1

hello drivers for your IBM are available at http://www.ibm.com/support/us/en/

All the drivers for your laptop start from this page:
http://support.acer-euro.com/drivers/notebook/as_3680.html

Select your operating system and the driver/s you want; download and install.  
While you're there, it's quite a good idea to download the lot and put them on a CD in case of emergencies.

try this link.
http://www.tascam.com/products/us-122;9,15,68,19.html

Windows XP:-

Conexant High Definition Audio Driver 04-2007 3.38.0.50 A » Version: 1.39M
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-49193-1&lc=en&dlc=en&cc=us&lang=en&os=228&product=1817059

Conexant High Definition Audio Driver (for AMD) 01-2007 3.30.0.00 A » Version: 1.41M
http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-46062-1&lc=en&dlc=en&cc=us&lang=en&os=228&product=1817059

Windows Vista:-

http://h10025.www1.hp.com/ewfrf/wc/softwareList?os=2093&lc=en&dlc=en&cc=us&lang=en&product=1817059

Top 4 drivers in the list - quite a few difference versions depending on the one you are looking for

Hope this helps , please rate my solution

What you are discussing here is called a "WiFi Hotspot" and isn't platform specific for people wishing to connect (so from the point of view of people connecting to your wireless network, it doesn't matter if you're running Windows or Linux).

A quick google search reveals a number of vendors, including http://www.hotspotsystem.com/ who have a variety of types of software for creating wifi hotspots.

Here are the drivers for your laptop

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=ob-29725-1&lc=en&cc=us&dlc=en&product=425561&os=228&lang=en