Notebook HP Presario CQ40 - 304TU WinXP Vista Downgrade

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• Compaq Presario CQ40 - 100 CTO Notebook (you want to load Windows Xp... Bluw error screen)

  I want to load windows Xp on my notebook Compaq Presario CQ40-100 CTO Notebook PC
  I already have vista on it
  When I try to install windows xp using boot able cd I get an error each time blue screen

  PLS help me... .i want to load windows xp on my laptop

  No. F2736PA #ACJ

  Serial number. CND84502BQ

  Compaq Presario CQ40-100 CTO Notebook PC

  Make your Vista recovery cd/DVDs if you have not yet discovered it here

  Your model should ICH9 sata driver sliptreamed in the installer CD of XP. If you did it right, you'll BSOD error.

  Use Nlite to sliptream ICH9 sata driver.
  A good guide for driver sata sliptream, here

  Note: do NOT use this guide sata driver, your sata driver is below ICH9.

  ICH9 sata driver,

  The pilot lies in iaAHCI.inf and is called ICH9M-E/M SATA AHCI Controller, here

  Download nLite, here

  Some suggestions to avoid problems when installing XP:

  1 try NOT all wake sata drivers, use only ICH9--> ICH9M-E/M SATA AHCI Controller

  2. use of XP - SP2, much easier to use since many XP drivers were built based on XP - SP2.

  3 burn the installer of XP slowly and do not use the maximum speed, sometimes it create errors

  4. choose a reputable support CD, not the one at little cost.

• Compaq Presario CQ40 - 327TU Notebook PC - display problem

  Hello

  My product is originally PC laptop Compaq Presario CQ40-327TU with Windows Vista Home edition.  Recently, I installed Windows 7 in my laptop on USB.  Installation went well, but it does not format the C drive.  I installed on the C drive, where Windows Vista installed previously.  After installation my laptop works very well.  Sometimes the screen turns white (black) and to come back after a few minutes and in the notification area it shows "display driver Intel Graphics Accelerator Drivers for Windows Vista (R) stopped responding and successfully recovered."like that, I get a notification.  In my information system, I cheked it presents Windows 7 OS.  It only happens when I switch to different windows or applications.  I checked the graphics cards in Device Manager and it shows ' Mobile Intel(r) 45 Express Chipset Family (Microsoft Corporation - WDDM 1.1).  When I tried to update the graphics card it already showed uptodate.  Can I wait for a solution to my problem here.   Also after the OS is installed, I found Windows.old folder on C drive.  Can I removed this file?

  Thanks in advance.

  Kind regards

  Sevin.

  Sankarmahadevan wrote:

  Hello

  My product is originally PC laptop Compaq Presario CQ40-327TU with Windows Vista Home edition.  Recently, I installed Windows 7 in my laptop on USB.  Installation went well, but it does not format the C drive.  I installed on the C drive, where Windows Vista installed previously.  After installation my laptop works very well.  A few times, the screen turns white (black) and to come back after a few minutes and the notification area it shows "stoped working and corrected for vista display driver" like that I get a notification.  In my information system, I cheked it presents Windows 7 OS.  It only happens when I switch to different windows or applications.  I checked the graphics cards in Device Manager and it shows ' Mobile Intel(r) 45 Express Chipset Family (Microsoft Corporation - WDDM 1.1).  When I tried to update the graphics card it already showed uptodate.  Can I wait for a solution to my problem here.   Also after the OS is installed, I found Windows.old folder on C drive.  Can I removed this file? . Yes it's the old installation of Windows Vista. You can safely remove

  Thanks in advance.

  Kind regards

  Sevin.

  Go into Device Manager, expand graphic cards by clicking the triangle to the left of the device. Windows 7 snipping tool to capture screen and post it here. Once you have done this, we will be able to see what is installed as your graphics card. You can also use the DXDIAG command in a command-line window to know who.

  The following image shows some CQ40 notebooks have an AMD graphics cards installed. We need to see that you have.

  

  Download and install the correct version of Windows 7 to the Intel Graphics Media acceleratormay solve the problem, if there is no discrete AMD card in your laptop.

  It's the Windows 7 (64-bit) version of the driver

  This is the version of Windows 7 (32 bit)

• I have Compaq presario cq40 & I can't find a unknown hit-and-run driver in my notebook.

  I have Compaq presario cq40 & I can not install the Bluetooth driver and an unknown device without driver, I tried to update it on the MS site & but displays error cannot find drivers pls contact your manufacturer. and I am facing problem connecting my Bluetooth devices, I tried to install the Bluetooth driver but it shows an error MSG it says (MAKE SURE UR BLUETOOTH RADIO IS PLUGGED IN) .this who do I can't plug my devices with Bluetooth PLS HELP me I am really frustrated please...

  Hi owace,

  (1) what is the complete error message you receive?

  Method 1: You can follow the steps mentioned in the link below

  The problems with Bluetooth devices

  http://Windows.Microsoft.com/en-us/Windows-Vista/troubleshoot-problems-with-Bluetooth-enabled-devices

  Method 2: Run the fixit available in the article below and check if that makes a difference

  The Bluetooth item in Control Panel on a Windows Vista SP2 computer does not work as expected when you click the item

  http://support.Microsoft.com/kb/960531/en-us

  Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:

  How to back up and restore the registry in Windows
  http://support.Microsoft.com/kb/322756/

  You can follow the steps mentioned in the link below to set up the Bluetooth device

  Set up a Bluetooth compatible device
  http://Windows.Microsoft.com/en-us/Windows-Vista/set-up-a-Bluetooth-enabled-device

  You can follow the steps mentioned in the article below which unknown device addresses question (Article applies to Windows XP is good for Windows Vista)

  How to troubleshoot unknown devices listed in Device Manager

  http://support.Microsoft.com/kb/314464

  Thank you, and in what concerns:

  Ajay K

  Microsoft Answers Support Engineer

  ---------------------------------------------------------------------------------------------------------
  Visit our Microsoft answers feedback Forum and let us know what you

• Downgrade Compaq Presario CQ61-120EI from Vista to XP

  Please help me downgrade my new Compaq Presario CQ61-120EI from Vista to XP. What are the necessary drivers?

  Drivers:

  Intel chipset (Install and reboot before other drivers) here

  
  

  Intel Rapid Storage Technology here

  MS-UAA for SP2 (required with a reboot before the graphics and Audio, Modem driver) here

  MS-UAA for SP3 (required with a reboot before the graphics and Audio, Modem driver) here

  Intel graphics 4500MHD here

  IDT High-Definition Audio CODEC here

  High-Definition Audio (HDA) Modem Installer and driver here

  Synaptics Touchpad here 

  Atheros Wireless here

  or

  Broadcom wireless here

  Realtek usb 2.0 Card reader here

  Realtek RTL8102E Family PCI - E Fast Ethernet NIC Driver here

  .NET framework (required before HP Quick Lunch Buttons) here

  HP Quick Launch buttons here

  CyberLink YouCam software here

  If you had for 7 unknown devices (buttons drivers), here (new link)

  Do a manual installation

  Go to Device Manager, right click on the unknown device,

  Choose update driver, not to communicate.

  Choose the install from a list or a specific location, not search, have-disk,

  Navigate to the location of machine.inf.

  Do it for the rest of the unknown devices.

• Presario CQ40: Display a ratio and incorrect resolution even after installing drivers

  Number and name of the product

  HP Compaq Presario CQ40 (339TU)

  Operating system installed

  Windows 8 Pro (recently re-installed)

  All changes to your system until the problem occurred

  Accidentally deleted the partition reserved system (about 300 MB)

  The question
  

  I recently re-installed the OS on my laptop (the previous operating system was the same). I wanted to do a clean install and I accidentally deleted the system reserved partition which was about 300 MB.
  

  The installation is completed without any problems. After installation, I noticed that the native resolution became 1200 x 800 (3:2), where it was originally 1280 x 800 (16:10) and also the display is detected as "Mobile PC Display. I went through the update of Windows, but it also could not detect my drivers. I went to the official site of HP TechSupport (here's the link), but there is no drivers for Windows 8.

  Then I tried the Intel site and found drivers, them, but still nothing happened.

  I googled for 2 days to resolve this problem, found nothing that worked. I have re-installed, Reset, refresh, auto repaired, the PC from the windows installation CD, nothing worked

  I had used Windows Vista, 7 and 8 on this laptop. The previous version of windows, I used for 1.5 years is the same as the one I installed today on the same CD. Previously, when I installed windows and went to Windows Update, it detected all my drivers and updated their. I had nothing to fear.

  I was hoping someone here could find me a solution to this problem.

  Thanks in advance

  I fixed it!

  I downloaded the latest version of the bios and flashed. Previous bios version was same but now my resolution is 1280 x 800

  I did not myself before recovery disks, but I will of course in the future.

  Since I have no way of identifying what actually caused the problem, I'll stay happy with the solution that I found. This thread can now be marked "resolved".

  I thank very you much for trying to help. I love HP!

• which processors can take a motherboard supported very 4101p (494035-001) jal50 used on compaq presario cq40?

  I have a compaq presario cq40-142tu, with a celeron t1600 installed. I want to replace this with a faster processor but can't find a site that lists all the processors that are compatible with the motherboard, which is a worm of 4101P jal50 1 or 494035-001.  as the celeron t1600 has a front side bus at 667 mhz, I guess procies upgrade as possible would be a t7600 to better or at least a t5500, since these procies run at the fsb even.  any advice on where to find a list of processors supported for this motherboard would be much appreciated.

  It took some time, but I finally got my hands on a t5850.  Installed and it works like a charm! a celeron t1600 it is now on a core 2 duo procie.  also improved the hard disk in the series hitachi 160 GB 5400 RPM to a 640 GB 7200 RPM samsung. also changed the RAM of 2 GB (1x2Go) tech of micron for gskill 4 GB (2x2gb) RAM.  OS is win 7 ultimate 64-bit, standard was vista 32.  one thing I noticed, though. the Rams are running at 667 mhz even though they are valued at 800, and I have absolutely no idea on how to change this. Publication of the research on some more and I think that the jury can also support 800 mhz fsb procies, might try that also later on. So far I am very satisfied with the improvement. Oh, to be on the safe side, be sure to upgrade to the latest version of the bios. mine was initially f.14, not f66a. problem solved!

• Presario cq40 144 do YOU: Presario CQ40-144 - TU Ram Upgradation

  Hello team HP,

  I use a Compaq Presario CQ40 - 144TU, Windows 7 64 bit. I want to upgrade RAM. But I don't know exactly the frequency of the ram to be updated. What is 667 Mhz or 800 Mhz?  which is more suitable for my laptop?

  Is it possible for me to upgrade to 6 GB. In the main location 4 GB and 2 GB in the secondary location.

  Thanks in advance.

  Hello

  You machine has 2 GB of RAM in two slots curently (1 GB each)- 2048 MB (1 x 2048 MB):

  http://support.HP.com/EE-en/document/c01573098

  It supports 8 GB (4 GB) total. Yes, you can switch to 6 GB. RAM are cheap now, you have to throw away two 1 GB parts - account up to 4 + 2 or 4 + 4 won't cost you much more.

  Please use manual #13 to the following list (Compaq Presario CQ40 Notebook PC - Maintenance and Service of Guide)

  http://support.HP.com/us-en/product/Compaq-Presario-CQ40-notebook-PC-series/3752105/model/3815418/manuals

  #2 shows you what RAM you need. page #54 shows you the part number and how to replace the RAM.

  Good luck.

• Need help on Vista downgrade to XP

  Hi, I have a laptop model Compaq Presario CQ40-401AX.

  I get blue screen error during the arrival of disc loading that using Windows SP3

  I followed the instructions given on the forum but yet I still couldn't install Windows XP SP3.

  Here is some information in case of need:

  AMD Turion (TM) X 2 Dual-Core Mobile RM-74
  TOSHIBA MK3252GSX ATA Device
  IDE ATA/ATAPI controllers

  If all those who have the solution to this dramatic problem,

  Please, help me. As I'm fed up with Vista...

  I enjoyed to these nice people who want to help...

  Number of sata. Try to use Nlite to sliptream amd sata driver.

  AMD SATA AHCI Controller Pilot, here

  Important notes:

  1. In Nlite, choose Insert -> multiple driver folder option
  2. Select ONLY x 86 driver for AMD SATA AHCI when asked.
  3. Never choose x 64 driver questioned

  or new AMD SATA driver, only much more convenient to use 32-bit here .

• Strange sound Compaq Presario CQ40-106TU

  Hi all owners of HP products.

  I bought laptop Compaq Presario CQ40-106TU 3 weeks ago, until now, when I play music or movies, all 5 ~ 6 minutes I hear a short noise distorted through the headphones or the speakers.

  I've uninstalled and reinstalled the audio driver. I have fully recovered my laptop, but this problem still persists.

  When he is silent, or I don't play music or movie there is no sound. in the case of all kind of music or movies, online, radio, playing by all kinds of media player as player windows media, jet Audio, winamp, I have this problem.

  the laptop has a system of its IDT High Definition Audio CODEC. in the card well it is mentioned that his system works correctly, but this problem makes me really mad.

  The noise sometimes interrupts the music for a moment.

  What can I do? Is - this hardware problem?

  I appreciate any help or instructions operation.

  Varshavian

  Thank you for your kind attention, I sent my lap top to the HP repair center and now it is not working properly. It was a hardware problem.

  Message edited by Soju on 18/02/2009 05:00

• HP Compaq Presario CQ40 330TU: BIOS password

  Hello

  I have a laptop Compaq Presario CQ40-330TU 10 Windows (32 bit) operating system. I seem to have forgotten the password to the BIOS of my laptop. I entered the BIOS password three times, whenever I entered the password, it said "Incorrect password". At the time wherever I typed the password for third time, he showed the number of the key as 56573544. Could you please help me in resetting the BIOS of my laptop password? Any help in this regard will be highly appreciated.

  Arun

  Enter 49451580

• notebook Compaq presario CQ71

  My notebook compaq presario CQ71 pulls up, tells me it is loading files of the window and then crashes right on a blue screen forever. I tried every possible route through all the F - key functions without success, including the re-set at the factory, but still nothing. Any suggestions please?

  Hello

  Open the disk management window again and let that loading the partitions.

  The lower display 'graphic' partition, right-click on the C partition and select 'Extend the Volume' to expand the C partition in the unallocated space.

  Once the process is complete, click on the Start Menu and open computer - you should now see drive C has a size of about 465 GB.

  Kind regards

  DP - K

• Compaq presario CQ40: compaq presario CQ40 on "Enter the password of power on password or administrator" is detected. Please

  Compaq presario CQ40 on "enter the administrator password or power on password"is detected. How can I reset it.

  Please help me.

  Hello

  Enter 46591280

  Kind regards

  DP - K

• Compaq presario Cq40 604 - tx: when the driver for windows 10 will be available for compaq presario Cq40 604 - tx?

  I want to improve my windows 7 to windows 10 but the windows 10 driver is not available for my computer compaq presario cq40 604 - tx.when driver windows 10 laptop will be available for this laptop?

  I think that HP has released/posted drivers for all models that will be supported. All have support do not at this stage are not likely to see them.

  Windows 10 includes a large number of drivers for the hardware older - but no way to know for sure before the upgrade. I'd certainly do Windows 7 recovery discs before you perform the upgrade.

• Presario CQ40 does not start in Windows

  Hello

  My cousin has a Compaq Presario CQ40 (w / Windows 7 Ultimate 32-bit), who has a serious problem at startup, it shows a blank screen with only blinking cursor in the top left of the display after the Compaq logo.

  I tried to load the default in the BIOS Setup, but nothing happened. I also tried to insert my DVD of Windows 7 to check any problem at the start, but it won't let me boot from it, just another black screen with blinking cursor. The only successful "start" method is to use a Ubuntu via flash (Live USB) drive.

  Help, please.

  P.S. It use Windows 7 for a clean install, without any backup OS preinstalled this laptop /recovery.

  Hi erico & ericpol911 and thanks for your reply.

  In fact I solved. After you restart the live USB laptop I can boot from the Windows DVD (previously the I can't). So I choose 'repair' the DVD and type "bootrec /fixboot" and then restart, and it works.