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I've lost my COA number that came with my Windows professional XP

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  • vrodrigue566 Apr 29, 2009

    My COA for windows Vista were stolen

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Try keyfinder app it shall help you to get the key and you can use it for insatlling XP or what ever Windows OS you Have

Posted on Jan 17, 2010

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There should be a sticker somewhere on the case of your computer that gives the product ID.

Posted on Jun 08, 2008

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1 Answer

I need Product Key of my PC


Did you have Windows XP Professional on your laptop before you downloaded it from the internet? If not, that's your first problem.

When you reinstall or download a operating system you must use the one that is on the Certificate Of Authentication (COA) Sticker on the bottom of your laptop or inside the battery case. That's your key on it (the series of 5 letters and numbers).

If you use someone else's disk to install or download like you did you must make sure that it is the same operating system as yours. In other words, if your COA says Windows XP Home, then you can't install Windows XP Professional because when it comes time to activate it will fail.

Borrow a operating system disk that is the same as your COA from neighbor, friend, relative or co-worker and reinstall windows. When it asks for the key, use the key that is on your COA Sticker then it will activate.

If you have to take it to a computer repair shop they should install the operating system for $60 or less if you have a valid COA Sticker.

May 15, 2012 | Acer Computers & Internet

1 Answer

Toshiba laptop serial NO 76110651Q


Check the bottom of the laptop for a Certificate of Authentication (COA) sticker which will tell what version of Windows XP it had and the Key Code (a series of 5 letters and numbers). If you have a copy of windows xp that is the exact same version as on the COA then you can install it and put in your keycode when requested and activate it. If your COA says Windows XP Professional you cannot use a Windows XP Home operating disk to reinstall.

Apr 26, 2012 | Toshiba Computers & Internet

1 Answer

How to install xp on acer laptop


You'll need a windows xp operating system disk. If you already have windows xp on the Acer then check the Certificate of Authentication (COA) sticker to see what version of windows xp it has. You'll have to have an operating system disk with the same version otherwise once it asks for the key to activate windows it will not activate. For Example, if your COA says Windows XP Professional you cannot install a Windows XP Home version unless you purchased the Home Version and the COA Key has never been used.

Insert the disk in the drive and just follow the instructions. It's pretty straight forward and simple.

Apr 25, 2012 | Computers & Internet

2 Answers

My system is showing that this copy of windows does not window validation


the COA id number will be afixed on the computer which is used to validate online. If missing people do sell these COA labels on Ebay from broken down computers although questions should be asked before purchasing. You will need to know if the COA can still be used

Sep 05, 2011 | Microsoft Windows XP Professional

1 Answer

Microsoft windows xp professional serial number


V2C47-MK7JD-3R89F-D2KXW-VPK3J

RHKG3-8YW4W-4RHJG-83M4Y-7X9GW


try using either of these apparently they are universal keys for xp or xp pro i have not tried any so i cant gaurantee that they will work but i no that you can buy a coa on Ebay for $15 or Oztion.com for $5.50 aus

hope this helps
don

Feb 16, 2011 | Microsoft Office Professional 2007 Full...

1 Answer

LOST WINDOWS XP HOME EDITION CD, HOW DO I GET ANOTHER OR DOWNLOAD IT


You can't. It is proprietary software from Microsoft and they guard it religiously. Borrow a CD from a friend who has the *exact* same edition you have and make a copy. Then if you need to re-install, the Certificate Of Authenticity Key number (COA) on the sticker on your computer should let you install. For desk top computers it is usually stuck to the side or back of the case. On laptops, it is on the bottom. That COA number is your proof that you paid for the operating system when you bought the machine. Even if you bought it used.

Sep 13, 2010 | Microsoft Windows Xp Home Edition English...

1 Answer

I have two copies of XP Pro and one COA is being used, one will be used today, and I need one more COA for another PC I want to format. How can I get a (legal) COA, without neccesarily buying a disk? I...


buy a COA from ebay, family member or friend. you don't need to buy a installation disk. If you've 100 COA and only one installation disk it fulfills the legal requirement. However be careful, buy only OEM COAs, not HP, Toshiba or other allocated firm's COAs. Otherwise the key'll not work.

Sep 07, 2009 | Microsoft Windows XP Professional With...

1 Answer

Where can i find compaq presario v2000 COA sound drivers


http://tinyurl.com/m5453r
go to this URL and select the model number of you device and download the desired driver.

Jun 11, 2009 | Microsoft Windows XP Professional With...

1 Answer

NO COA on Windows XP Pro CD...new CD never installed..?????


Google freeware program called Key Finder. May work, lost sticker on computer once and downloaded this and it gave me the key when I clicked on it . Of course you will have to download
Windows disk first and then load Key Finder. Would burn on CD before you load Windows. Worth a shot.

Apr 01, 2009 | Microsoft Windows XP Professional

1 Answer

Activation key


If you call Microsoft and give them an explanation and your COA they will issue you a code to input that will get you around it. They will ask how many machines your COA is installed on. Just say "one" and you'll be fine.

The screen should have a phone number to call. It varies by the location that you select. So, I can't look up the number for you. Good luck!!

Oct 01, 2008 | Microsoft Windows XP Professional for PC

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