Cannot find wireless adapter

You cannot get the full 320Gb capacity because the BIOS can only support a maximum of 127Gb.
You only hope is a BIOS firmware upgrade that can support 320Gb. Check out the Acer WEB site to see if a BIOS upgrade will solve your problem.
OTHERWISE
Install a 127Gb hard drive in your Acer and put the 320Gb hard drive in an USB hard drive adapter case and use it as an external USB hard drive because it is not affected by the BIOS limitation.

Try first this driver from Dell site, its another XP driver but I'm pretty sure windows 7 should be able to use it. I've been running '7 for ages now and used many many xp drivers just fine.
http://support.dell.com/support/downloads/download.aspx?c=us&cs=19&l=en&s=dhs&releaseid=R83097&formatcnt=1&fileid=109197

If this doesnt work let me know and I'll have another go at finding you a solution :)

You need another sound system. If it's xp it is probably ac 97. However; go to windows update, make sure you have all of the updates. Then go to the control panel, device manager and look for a yellow question mark or a yellow exclamation mark, if there, right click and click update driver or click uninstall from the system, restart the computer and windows will look for the drivers, just follow on screen directions.

Possible cause:

The hard drive contains all the necessary drivers that makes the computer function and that includes Internet connection. When you installed the operating system and all other software it does not mean you installed the driver for the motherboard which contains the drivers for the LAN.

Solution:

Run the drivers CD that came with the motherboard. If you don't have the CD. contact the PC manufacturer for the driver CD. Otherwise, you can purchase an add on NIC(network interface card).

That won't fix your problem. You need to find the latest drivers for your wireless adapter.

What kind of computer do you have? Model numbers are great.

go to the dell official site and download driver for wireless network and be sure that you choose windows xp operating system

What is the operating system on your computer. If it is windows XP or VISTA, then try to install the adapter using the found new hardware wizard.
Do not run the disc that comes with the wireless adapter. connect the adapter to the computer first. you will get the message found new hardware.
if you do not get the message that means the adapter is detected by the computer or the software might be installed already. uninstall the software and then connect he adapter.
If you get the found new hard ware message then it will ask you can windows connect ....
select = no not at this time and click next.
on the next window select the option install software automatically and insert the disc that comes with the adapter. it will install the software .
after that you will need to connect to the network.
Click Here for more info

When you install a new harddrive, it has no Operating System on it.
Windows XP and Windows Vista, are examples of an Operating System.

Each laptop manufacturer, has their own system of changing a laptop harddrive. Some allow you to press a key or two, to put the laptop in a state where it will save the basic Operating System files, and when you install the new harddrive, it will transfer them over to it.

Some laptop manufacturers do have this option.

You either have to take the harddrive out, install it into an external enclosure for a harddrive, (Uses a USB cable) Then attach the external enclosure via the USB cable, to another computer, and use a 'mirror' imaging program to save the Operating System to that computer.

Then the new harddrive is installed in that external enclosure, and the Operating System is 'mirrored' over to it.

Just information for you, as you cannot do this now with a crashed harddrive.
Your option now, is to buy a genuine copy of the Operating System you had on the laptop, and install it.
Not what you wanted to hear, huh?

You need to buy whatever version of Windows XP it had, (WinXP Home or WinXP Pro), or Windows Vista.
If it was Windows Vista, I suggest getting at least the Windows Vista Home Premium version.

I personally prefer Xp over Vista.
Tigerdirect.com, and Newegg.com, have these.
Look for Software>Operating Systems.

OR, you can simply put Ubuntu Linux on it for free.

u an installed new itself my means is that same brand product your usb adapter put the usb adapter cd and installed it that's it

If your hard disk crashed then it sounds like the boot partition is corrupted or gone. I'm not sure you can rescue this without some professional software or help for that matter.

Might be just as easy & cheaper to buy a new hard drive & instal from scratch. Hard drive prices have dropped significantly over the last few years & at least you'll get a warranty with the new one!

Hope this helps