This Drivers Applicable for:
» Compaq Presario CQ40-425TU Notebook PC

CHIPSET DRIVERS:
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download (intel website)

Intel Chipset Installation Utility:
Download

GRAPHIC/VGA:
if you have Nvidia Graphic:
Nvidia GeForce G 105M/103M Graphics Driver
Download 

If you have Intel Graphic:
Mobile Intel 4 Series Express Chipset Family Graphics Driver
Download

AUDIO
IDT - High Definition Audio Codecs
Download SP45211

WIRELESS:
Note: normally wireless automatically installed so install wireless driver if only there are no wireless driver installed. There are two ways to check one is in your taskbar a small wireless icon appear near to volume and clock, the other one is by check at the device manager under the networks controllers section.
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If you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft Windows 7
Download

If you have Broadcom Wireless:
Broadcom Wireless LAN Driver for Microsoft Windows 7
Download
==================

Software Support for HP Integrated Module with Bluetooth Wireless Technology
Download

HP Wireless Assistant
Download  

ETHERNET:
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download

ALPS Pointing Device Driver (2-Way) for 14-Inch Wide LCD
Download

JMB38X MS SD SD/MMC xD Card Reader Driver
Download

HP Quicklaunch Button
Download

ENE CIR Receiver Driver
Download

Cyberlink YouCam Software
Download

Optional Downloads:

HP ProtectSmart Hard Drive Protection
Download

HP DVD Play Software
Download

HP Advisor
Download

Lightscribe System Software
Download

Recovery Manager Installer Patch for Microsoft Windows 7 Upgrade
Download

HP Support Assistant
Download

BIOS:
use this drivers if needed. Using BIOS may harm your systems, its only optional and i not recomended you to use it if you dont know about BIOS.

WinFlash for HP Notebook System BIOS (Intel) - Microsoft Windows-Based
Released:2009-08-25
Version: F.55A
Download

SPECIFICATIONS:

  • Processor type:Intel® Pentium® Dual-Core Mobile Processor T4200,2.0 GHz, 1 MB L2 Cache, 800 MHz FSB
  • Memory:2GB DDR2 800MHz,up to 4GB DDR2 memory
  • Hard disk drive:320GB
  • Optical drive:LightScribe SuperMulti 8X DVD±RW with Double Layer Support
  • Display size:14.1” Diagonal WXGA High-Definition HP BrightView Widescreen Display,1280 x 800
  • Graphic:Intel Graphics Media Accelerator 4500MHD (shared)
  • External I/O ports:3 USB 2.0, 1 HDMI, 1 VGA, 1 RJ-11, 1 RJ-45, 1 Stereo headphone-out, 1 Microphone in
  • Altec Lansing® speakers
  • Webcam with Integrated Microphone
  • Integrated 10/100BASE-T Ethernet LAN (RJ-45 connector)
  • High speed 56K modem
  • Wireless LAN 802.11b/g
  • weight:2.31 kg
  • 65 W AC Power Adapter
  • 6-cell Lithium-Ion (Li-Ion) battery
  • Warranty:1 year, parts and labour

Improving Windows XP

If you have Windows XP (corrupted), where you do not have another operating system to boot,
You can do to repair install (repair install), which runs Setup (Settings)
Beginning.

- Make sure that you have the key (key) Windows XP valid.
- The entire process will take less than 1 / 2 or 1 hour, depending on the specifications of your computer.
- If you are asked for an administrator password, you must choose the repair option (reform) in the second,
Is not the first.
- Insert the CD-ROM and Windows XP does boot from the CD-ROM.
- When it comes to reform of the second R = Repair option, press the Find
This will start the repair.
- Press F8 to agree to the next “I agree to the License Agreement”
- Click on the Search button when the directory where you installed Windows XP. Usually C: \ WINDOWS
Will be examined next drive C: and start copying files.


And restart automatically when needed. Let the disk in the drive.
- Next you will see the image of the “progress bar” which is part of the improvement,
It looks like a normal XP, usually including the “collection of information and update dynamic
Preparation of the installation, the installation of Windows, complete the installation. ”
- In response to a question, click on the Next button
- When asked to enter a keyword, and enter the key (key) and Windows XP valid.
- Usually you want to remain in the domain or workgroup name the same.
- And the computer will restart.
- Then you will have the same screen as installing the normal activation of the system.
- Register if you want it (usually unnecessary).
- Free

Now you can log on with an account that already exists.

2. NTOSKRNL damaged or lost (missing or corrupted)

If you find an error message “not found NTOSKRNL” / NTOSKRNL not found to do:
- Insert the Windows XP CD and boot from the CD-ROM.
- At the time appeared to R = Repair option first, press R.
- Click on the figure according to the location to install Windows you want to repair as necessary.
- Usually # 1
- Change to the CD-ROM drive you are.
- Type: CD-i386
- Type: ntkrnlmp.ex_ expand C: \ Windows \ System32 \ Ntoskrnl.exe
- If you install Windows XP in any other place, change according to location.
- Remove the disk and type exit

3. HAL.DLL damaged or lost (missing or corrupted)

If you get errors related to the file is corrupted or missing hal.dll, it is possible
BOOT.INI file that contains the wrong configuration (configured correctly).

- Insert the Windows XP CD and boot from the CD-ROM.
- At the time appeared to R = Repair option first, press R.
- Click on the figure according to the location to install Windows you want to repair as necessary.
- Usually # 1
- Type: bootcfg / list
Displays the contents of / reactions to the current file BOOT.INI
- Type: bootcfg / rebuild
Improve the composition of the BOOT.INI file
- Remove the CD and type exit

4. Directory \ WINDOWS \ SYSTEM32 \ Config damaged or lost

If you get an error with the words:

“Windows could not start because the following file is missing or damaged
\ WINDOWS \ SYSTEM32 \ Config \ SYSTEM or \ WINDOWS \ SYSTEM32 \ Config \ SOFTWARE “

- Insert the Windows XP CD and boot from the CD-ROM.
- At the time appeared to R = Repair option first, press R.
- Click on the figure according to the location to install Windows you want to repair as necessary.
- Usually # 1
- Enter the administrator password if necessary.
- Type: cd \ windows \ system32 \ configuration
- Next depending on the location of the damage:
- Type: Ren Ren system software or software.rusak system.rusak
- Next again also depends on the location of the damage:
- Type: copy \ windows \ repair \ system
- Type: copy \ windows \ repair \ software
- Remove the disk and type exit

5. NTLDR or NTDETECT.COM not found (NTLDR NTDETECT.COM or non-existent)

If you find an error that is not found, NTLDR when booting:

A. The type of fat partition
- Take your boot from the Win98 floppy and copy the files NTLDR or NTDETECT.COM
From the i386 directory to stop the drive (root) C: \
B. The type of NTFS partition
- Insert the Windows XP CD and boot from the CD-ROM.
- At the time appeared to R = Repair option first, press R.
- Click on the figure according to the location to install Windows you want to repair as necessary.
- Usually # 1
- Enter the administrator password if necessary.
- Enter the following command, where X: is the title of the CD-ROM drive you (customize it!).
- Type: copy X: \ i386 \ NTLDR C \:
- Type: copy X: \ i386 \ NTDETECT.COM C: \
- Remove the disk and type exit