Compaq Presario CQ40-621TU Windows XP Driver

INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (direct link)
Download (intel website)
Download(mediafire)

After finish install chipset restart your laptop.

GRAPHICS:
if you have Nvidia Graphic
Nvidia GeForce G 105M/103M
Download

If you have intel graphic
Mobile Intel 45 Express Chipset Family Graphics Driver
Download

Intel matrix storage manager:
Download (intel site)
Download (mediafire)

AUDIO:
MS UAA (required with a reboot before Audio driver)
WIn XP SP2 Download
Winn xp sp3 Download

restart and install IDT

IDT High-Definition Audio CODEC Driver
Download
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or try this driver reported work in xp
sp41693, here
sp39671, here

or you win 7 driver: Download
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Direct install of the Audio may resulting in error, follow guide here:
Manual AUDIO Installation Guide.

Conexant HD AUDIO Soft Data Fax Modem with SmartPC
Download

WIRELESS:
Intel: Download
(requires windows installer 3.0 installed first)
===========================
In case you have other wireless model:
Broadcom: Download

Atheros: Download (direct)
or here (atheros site)
===========================

CARD READER
JMB38X Card Reader Host Controller
Download

Ethernet:
choose one of the driver below:
ETHERNET:
Realtek RTL8102E Family PCI-E Fast Ethernet NIC
Download

Realtek RTL8101 Family PCI-E Fast Ethernet NIC
Download

Realtek RTL8168C Family PCI-E Fast Ethernet NIC, here
Download
(report back which work)

TOUCHPAD
Download

Lightscribe system software
Download

if you have webcam:
Cyberlink YouCam 2.0 Software,
here



SPECS:

CQ40-621TU Core2DuoT6600 (2.2GHz) 2GB 320GB 14.1" DOS
FCUK Notebook Carry Case
Intel? Core2Duo T6600 (2.2GHz, 800MHz FSB, 2MB L2)
Intel? GM45 (Cantiga GM)
2048MB DDR2 - 800MHz / Dual Channel Support (1024MBx1DIMM) Supports up to 4GB max system memory, 320GB Hard Drive 7200rpm (Serial ATA)
DVD+/-RW DL LightScribe SuperMulti (Super Multi DVD Writer Dual format, Double Layer)
"5-in-1 Media Reader
SD, MMC, SDIO, MS, MsPro, xD (includes SD, Mini, RS, MMC, MS Duo plus adapters)"
"14.1"" WXGA (1280 x 800) High-definition BrightView LCD panel (16:10 Wide Aspect Ratio), VGA (Dsub 15 pin) supporting: 1600 x 1200 external resolution @ 75Hz
Intel Graphics - Intel Mobile Intel? GMA 4500MHD UMA (integrated) with shared video memory:up to 358MB for >=2048MB system RAM"
Altec Lansing branded speaker with built in Dual array microphones w/ appropriate software - beam forming, echo cancellation, noise suppresion
Integrated 10/100/1000M LAN Ethernet, high speed 56K modem, 802.11b/g Wireless + Bluetooth
HDMI v1.3 supporting 1080p, (3) USB 2.0, VGA, Headphone Jack, Mic In, AC adapter 65 watt, Webcam Built-in, Two integrated omni-directional microphones - Digital