Compaq Presario CQ40-621TU Windows XP Driver
Intel Chipset Installation Utility
type 184.108.40.2065 A 2.2MB (xp, vista, 7)
Intel Matrix Storage Manager Driver
type:220.127.116.112 A, 18.17M
Mobile Intel 4 Series Express Chipset Family Graphics Driver
type 1.00 REV A 19.28MB
Nvidia GeForce G 105M/G 103M For windows XP
type 2.66.58WHQL 118MB
Since there are no best single driver available, you have to follow This kind of step carefully.
Restart in addition to then install audio drivers below.
If resulting in error, ignore the idea in addition to proceed by manually install the drivers:
Download in addition to install the driver, you will get the error while installing.
Perform the below steps to fix the issue.
1. Click on Start in addition to select Run. at This kind of point type devmgmt.msc in addition to press enter.
2. Right click on “Audio device on High Definition Audio Bus” in addition to click Update driver.
3. Select “Install by a list or specific location”.
4. Click Next. Then select “Don’t search, I will choose the driver to install”.
5. Click Next in addition to then select “Sound, video in addition to game controller” by the list.
6. Click Next in addition to then click Have Disk.
7. Click Browse C:swsetupsp39671 folder in addition to select the .inf file in addition to click open in addition to Continue with the onscreen instructions.
Fo instruction with pictures read here:
Manually install Audio Drivers.
(3 drivers, choose 1 base on your specification)
Broadcom 4313 a/b/g/n wireless Drivers
Atheros Wireless LAN Driver:
type 2.00B 20.64MB
HP Integrated Module with Bluetooth Wireless Technology
type 5.1E 94.68M
High-Definition Audio (HDA) Modem Installer in addition to Driver
type 1.00 A 12.71MB
JMB38X Card Reader Host Controller
type 1.00A 3.49MB
Synaptics Touchpad Driver
type:9.1.11 Q, 16.93M
(Install netframework 2.0 first)
HP Quick-launch Button
type 6.40B 19MB
Cyberlink youcam software 2.0 + Driver
type 2.0.2519 46MB
Lightscribe system software
type 18.104.22.168 A 8.4MB
1. If you have 7 unknown device, download This kind of file, extract, then right lick on the inf file in addition to select install(Machine.inf)
FOR NVIDIA: if the driver above resulting in error use modded driver below:
3-step process to install:
1. Download driver, double click in addition to select extract,
2. Download modded INF in addition to replace original INF in extracted folder,
3. Install in addition to reboot