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Trying to downgrade to Xp

My computer came in with a vista basic pre-installed, but the software I usually use doesnt work with it, so I need to install an xp, but when I do the installer can't find my hard disk, this happend with other OS's I tried as well, what can I do?

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Re: Trying to downgrade to Xp

Sounds like you need to boot from the disk.Put the windows XP disk in the cd rom turn the computer off then turn it back on.The computer should see the disk and boot from it.Follow the prompts.You cannot downgrade if you are trying to run the installer after you computer has already booted,but you can load the operating system if the computer BOOTS from the XP disk.

Posted on Nov 15, 2007

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Can I downgrade Acer AOD255-2509 from Win7 Starter to WinXP?

you can install win xp ... as a second os ,,, or you can uninstall win7 and install a fresh copy of xp ,,, but you may need a copy of xp with ahci drivers included or else you'll get ( can't find any hard disc ) message ... win7 don't support upgrading or downgrading from another windows version (vista,ex...etc ) or to another version ...

Mar 08, 2012 | PC Laptops

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I unable to install Xp in my compaq cq61-132tu. The install option just doesn't get highlighted. Also, i don't have another computer.

I assume you are attempting a "downgrade" to Xp from Vista, since this laptop does not come with XP.
From the Compaq information page:
  1. HP does NOT support XP for consumer notebooks, so if you have any difficulties regarding XP, do not expect HP will help you.
  2. HP may demand you to install back VISTA if you have hardware problem to troubleshoot it.
    An option to consider-put your original Vista hdd away and install new one for XP.
  3. Some of the notebook features may not work in XP due to uncertified licenses pointed in this guide.
  4. Microsoft has released three (3) Service Packs for XP, use only SP2 for the first trial. Why? Since many of XP drivers are released based on XP-SP2.
  5. Always make Vista Recovery cd/dvd before downgrade to XP. see it here
  6. You have a folder with drivers & programs that may prove very helpful after XP downgrade.
    Copy folder C:\Swsetup to DVD Before formatting your hdd.
  7. If you have a pre-SP2 XP cd, get the full SP to Integrate with Nlite: SP2 Nlite HERE
The help guide for downgrading is here. There is a lot of information on this process written there.

However, if what you want is a an XP look and feel so you can compute the way you used to, change the Vista to look like XP in the display properties.
If you are trying to run non-Vista software, try running it in compatibility mode. To do this, right click on the program files and select properties and then locate compatibility..

Jan 04, 2010 | HP Presario CQ60-204NR PC Notebook

2 Answers

I have purchased an hp550 computer with the Vista operating system. i wish to downgrade to the win XP operating system. how is this done ?

There is no direct path to downgrade Vista to XP. You can’t simply insert the XP installation CD media into the CD-ROM drive and hope to ‘upgrade’ and replace the Vista with Windows XP usual install routine because Vista won’t allow it to be overwritten. XP will treat Vista as ’superior’ operating system and refuse to install over it. There’re actually few options available instead of completely uninstall Vista as listed below. But if you decide to downgrade from Vista to install XP, there is also a simple guideline that you can observe to ensure that the migration goes smoothly.
Option 1 – Dual Boot:
It’s by far the easier and best method to run XP instead of Vista if you have another partition or hard disk. Simply boot up any XP setup media and install XP into different partition or hard drive than the Vista installation. Once completed, you can choose to boot up either XP or Vista, and has the best of both world.

Option 2 – Virtual Machine:
Install VMware Server or Virtual PC 2007 (both free) or any other virtualization software, and then install Windows XP into the virtual machine
environment. You will get XP which runs inside Vista, with minor compromise on speed, performance and have to go through Vista first on every bootup.

Option 3 – Format the Hard Drive, Wipe Off Vista and Install XP:
For those who totally fed up with Vista and just want XP, or prefer a clean installation of OS has only this option to rely on. To downgrade to XP from Vista, you have to basically delete the whole hard disk that installed with Vista, and start anew with XP. Here’s a simple guide and procedures that you can try to follow to switch to XP. However, each system configuration is different, so you may have to adapt the steps to suit your own need.

1. Download all drivers for your system for Windows XP from the manufacturer’s website(in case if you don't have the CD/DVD installers). Copy the drivers files to a USB flash driver or external hard drive or burn them to CD/DVD.
2. Find a Windows XP installation CD (should be pretty easy to find or else you can search in torrent sites such as Demonoid to download via BT network such as uTorrent and BitComet or search and download via ED2K network client such as eMule. You can also use Volume Licensing (VL) CD, retail (FPP) disc, or system builder hologram CD provided by Microsoft.
3. You will also need a XP product key even if you legally can downgrade from Vista Ultimate or Business edition. The Vista serial number won’t works with XP. (try to search for XP product key on web).
4. Backup to USB flash disk, external portable hard disk or CD/DVD every data files and any other things such as documents, downloads, pictures, movies, programs and etc that you need and want to keep. You can also create a second partition with disk management utilities such as Acronis Director or Partition Magic, and then move the data files to the new partition.
5. Ensure that also you have CD or DVD setup media for the software applications that you want to install and use after wiping off your system from Vista.
6. If your OEM doesn’t provide you with recovery CD/DVD discs and Windows setup media discs (it’s because they’re stored in the hard disk in hidden location), you may want to burn a copy of recovery CD to CD/DVD first before you proceed, just in case the hidden partition is lost and you want to recover your computer to original state. (How-to Guide: IBM/Lenovo ThinkPad recovery CD)
7. If the system has SATA (Serial ATA) hard drive, locate the driver for SATA controller and put it in USB flash drive, diskette or CD first. If you have PATA (normal IDE) hard disk, simply go to BIOS CMOS to disable SATA or Native SATA mode if you don’t want to install XP on SATA hard drive. Else, you can also create an XP install disc with the SATA drivers integrated by using tool such as nLite.
8. In the BIOS, also set the CD or DVD optical drive as the first boot device in the boot sequence.
9. Put in the Windows XP installation CD into CDROM drive and boot up the computer by using the CD. You probably need to press a key when prompted with “Press Any Key to Boot from CD…”.
10. If you’re using SATA hard disk with driver on external media (not integrated into XP setup disk), remember to press F6 when you see the message at the status base: “Press F6 if you need to install a third party SCSI or RAID driver…” during the very initial stage of setup to load the SATA driver so that the SATA hard disk can be recognized.
11. Run through the setup wizard at per normal. However, when prompting for where to install Windows Vista, delete (by pressing D and then confirmation), create and format the Vista disk drive or partition (if you have multiple partition). And then choose to install on that just formatted partition or hard drive.

IMPORTANT: If you choose the wrong hard disk or partition with data to delete, you will lose your essential data.

Note: If the setup does not allow you to delete or format the Vista partition or drive, you will need to find a third party software that can recognize and read NTFS filesystem to clear the drive or partition first.
12. Enter any product key for XP. Vista product key will not work.
13. If you own a legitimate Windows Vista edition that allows for downgrade (See Vista downgrade rights), call Microsoft after performing the clean install of Windows XP Pro to activate the XP installation. Notify Microsoft that you’re downgrading from Vista and require to activate XP Professional or other version allowed newly installed. You won’t get a new Windows XP product key though. You will have to read out the long Installation ID plus your original Vista serial key, and Microsoft will provide an activation ID that will make the XP usable.
14. Install the drivers for your system devices.
15. Reinstall any software programs that you want to use.
16. Move back the data files and documents.


Nov 03, 2009 | HP Business Notebook 550

2 Answers

How want to downgrade win vista to xp pro hp compaq v3000

If you have a Windows XP Pro installation disk, put it in the optical drive, restart your computer, on startup, go to BIOS settings (usually press [Delete] and set the optical drive as first boot device. Save changes and exit. When the computer starts it usually says to press any key to start from CD. Press any key and the windows installation will start. Make sure you format C: and you will downgrade to Windows XP Pro. If you want to upgrade to Vista again, you will need to know the keyboard sequence to start Vista from Its partition or have Vista install disk.

May 25, 2009 | HP Compaq Presario V3000T Notebook

3 Answers

Downgrade from Vista Basic to XP Pro - Toshiba Portege M800

It depends a lot of the rest of your hardware acctually, audio card, video card, etc.
Download everest, that software will tell you what hardwre you exactly have, and then you can look for each driver.
To save time, first install windows xp, and then install everest to discover which drivers are missing, if you are lucky only 1 or 2

Apr 18, 2009 | Toshiba Portege M400 Notebook

2 Answers

No hardware found when downgrading from vista to xp

first of all you might want to check the laptop manufacturers website to ensure that it can be down graded. after this and if it can be downgraded you might want to download the thrid party sata/scsi drivers from you hard drive manufacturers website so they can be used during set up. if all this fails perhaps using thrid party slip stream software like NLite to copy all the set up files ready for install. hope this helps.
let me know if it doesnt.

Mar 30, 2009 | PC Laptops

2 Answers

Hi, I hold a Compaq c740tu notebooke PC with the pre installed windows vista. I face problems on running certain softwares and hence would like to downgrade to Windows XP. I managed to get almost all...

Yes do not downgrade or you Will have problems. Microsoft is planning to stop support for xp in the future and already have a new OS-7 coming out to replace vista. A lot of software that does not say it is for xp will work on vista. Just because it does not say for vista does not mean it will not work on vista. Good Luck. I love Xp too but I will not downgrade to go back because microsoft is only going to make it obsolete in the future.
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Jan 16, 2009 | Compaq Presario Notebook

1 Answer

My laptop vistro 6700 has vist software inbilt but i need to install xp software when i tried to install it is saying that your hard disk cant found . sata settings was not found in my laptop so what can i...

Windows Vista will not allow you to install Windows XP software over it. Microsoft has programmed it to not allow anyone to downgrade, basically because there are so many problems with Vista that they would lose money if everyone downgraded. So the only way to load Windows XP is to find you some software that will wipe your hard drive clean. You should be able to do it with the "fdisk" command at the DOS prompt. But beware; this will compeltely delete everything off of your drive. So back up any files that you need. Then you can load Windows XP.
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Jan 11, 2009 | Compaq Presario 700 470024-192 Notebook

1 Answer

Cd product

There is no way to legally get the product key for Windows XP without buying a copy of Windows XP.

Also, if you have Vista Home Premium or Basic, you will have to do a fresh install of XP, only Vista Business and Ultimate allow for downgrading.

Here is an article about downgrading to XP from Vista:
Good luck!

Sep 05, 2008 | PC Laptops

2 Answers

Not possible xp installation

How to Downgrade Vista to XP Downgrading from Windows Vista to Windows XP is almost like installing Windows XP for the first time. You should take all the normal precautions like backing up all your important files and record important passwords in a different place, preferably on a CD. When you downgrade from Windows Vista to XP, note that Windows Vista will be completely removed from your system.
(Note: There is a way to have both Vista and XP in a dual boot configuration, but that's an option for more advanced users. See Dual Booting Vista and XP for more info on that.)
Before you begin the XP installation, make sure that the necessary XP hardware drivers are available, or included on the XP disk provided by your PC vendor. If in doubt, check the vendor's website or poke around with your favorite search engine to see if others have attempted the XP install on the same hardware. You may be able to install XP without all the needed drivers, but some hardware may not work afterwards.
Also, make sure that you have a genuine Windows XP CD before you begin the downgrade. Be sure to read the section earlier in this article to see if you qualify for a low/no cost XP recovery disk from your PC vendor. If not, perhaps you have an XP disc that came with another computer. If you've upgraded an existing computer from XP to Vista, the best choice would be the XP install/recovery disc that came with that computer. One some PC's the vendor doesn't ship a CD, but the recovery CD can be created from disk images on the hard drive. If all else fails, you can always buy a copy of Windows XP on Ebay. Just be sure it's a legal, licensed copy.
Follow these steps to install Windows XP on your Vista machine:
  • Insert your Windows XP install/recovery CD and restart your computer.
  • Install Windows XP normally, providing either the product key that came with the disk, or the one you got from Microsoft customer support. If the installer warns you that another copy of Windows is already installed, don't worry. Remember, this install will wipe out your existing Vista installation.
  • Activate your copy of Windows XP when it prompts you to do so. If you run into the "already activated" problem, you can use the option to activate by phone.
  • If you own Vista Business or Vista Ultimate, explain to the rep that you want to use your Downgrade Rights to install XP Pro.
  • If you own Vista Home Basic/Premium, or you are installing XP Home Edition, don't mention ANYTHING about Vista. Just give the rep your XP product key (not the Vista key), explain that you are installing XP on a new hard drive, and tell them you need to activate.

Mar 30, 2008 | PC Laptops

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