This driver also work for Compaq Presario CQ40-324TU. Suggest that you update your BIOS before installing this driver below.
Intel Chipset,(install and reboot before other drivers):INF Update Utility - Primarily for Intel® 4, 3, 900 Series Chipsets
http://tinyurl.com/crxavq
MS UAA (required with a reboot before Audio an video (HDMI) drivers)
here:
SP33867
ftp://ftp.hp.com/pub/softpaq/sp33501-34000/sp33867.exe
Important note:
After reboot, please confirm the installation by checking in Device Manager under System Devices to see if MS UAA installed properly.
There should be a listing for Microsoft UAA Bus Driver for High Definition Audio.
If not, you should have a PCI with yellow!.
Right click it and Update Driver,
No to Connect, No to Search and last Install Automatically.
Mobile Intel 45 Express Chipset Family Graphics driver, (confirm MS-UAA before installing) here:
http://tinyurl.com/dbcoqk
IDT High-Definition Audio CODEC Driver
(confirm MS-UAA before installing)
here:
ftp://ftp.hp.com/pub/softpaq/sp39501-40000/SP39671.exe
High-Definition Audio (HDA) Modem Installer and Driver (confirm MS-UAA before installing)
here:
http://www.mediafire.com/?yzj1yr3ldna
Broadcom Wireless
here:
ftp://ftp.hp.com/pub/softpaq/sp39501-40000/sp39912.exe
Realtek RTL8101E Family PCI-E Fast Ethernet NIC Driver
http://tinyurl.com/4ssd97
ALPS Touchpad Driver
ftp://ftp.hp.com/pub/softpaq/sp31001-31500/sp31075.exe
.Net Framework(before Quick Launch):
http://tinyurl.com/758p8
HP Quick Launch Buttons
ftp://ftp.hp.com/pub/softpaq/sp40001-40500/sp40139.exe
JMB38X Card Reader Host Controller Driver
ftp://ftp.hp.com/pub/softpaq/sp40001-40500/sp40221.exe
ENE CIR Receiver (vista version)
ftp://ftp.hp.com/pub/softpaq/sp41001-41500/sp41459.exe
Bluetooth driver
here:
ftp://ftp.hp.com/pub/softpaq/sp38501-39000/sp38983.exe
If you had for 7 unknown devices (buttons drivers)here:
http://www.mediafire.com/?nnnzjmojcjy
Do manual installation
Go to device manager, right click unknown device,
Choose to update driver, No to connect,
Choose install from a list or specific location, Don't search, Have disk,
Browse to the location of machine.inf.Do it for the rest of unknown devices
======================================================
Additional Instruction fo HD AUDIO
======================================================
2) HD Audio, HD Modem and HDMI
At first there is no these devices appear on Device Manager. After using DEVCON.EXE and
follows answertome instructions these device then appear on Device Manager.
The instructions are
-------------------------
create a file start_audio.bat, write on it such string devcon.exe restart "PCI\VEN_8086&DEV_293E" ,
then save it to C:\Documents and Settings\All Users\Start Menu\Programs\Startup
or download it from here
http://www.filecloud.com/files/category.php?user_category_id=283210
download the file DEVCON.EXE from microsoft.
http://download.microsoft.com/download/1/1/f/11f7dd10-272d-4cd2-896f-9ce67f3e0240/devcon.exe
Unzip the file, you have two folders copy the i386\devcon.exe into c:\windows
Restart
--------------------------
When you see new hardware detected then use these drivers
HDAUDIO\FUNC_02&VEN_11C1&DEV_1040&SUBSYS_103C137E& REV_1002\4&3360655D&1&0101
ftp://ftp.hp.com/pub/softpaq/sp39501-40000/sp39689.exe
audio modem VISTA Agere, OK for XP
HDAUDIO\FUNC_01&VEN_111D&DEV_76B2&SUBSYS_103C30F7& REV_1003\4&3360655D&1&0001
Audio IDT High Definition Audio CODEC Driver
http://www.filecloud.com/files/category.php?user_category_id=283210
when audio works, go into Control Panel, serach the IDT icon,
click on it and dsiable the power management to avoid a noise "click"
HDAUDIO\FUNC_01&VEN_8086&DEV_2802&SUBSYS_80860101&REV_1000\4&21E8FE0E&0&0201
Intel High Definition Audio HDMI service
http://rapidshare.com/files/152289190/HDMI.7z.html