Microsoft KB Archive/927688

= You cannot select the Upgrade option when you try to install Windows Vista, and you receive an error message that is specific to hardware that is installed on your computer =

Article ID: 927688

Article Last Modified on 3/15/2007

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APPLIES TO


 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Ultimate
 * Windows Vista Starter
 * Windows Vista Enterprise 64-bit edition
 * Windows Vista Home Basic 64-bit edition
 * Windows Vista Home Premium 64-bit edition
 * Windows Vista Ultimate 64-bit edition
 * Windows Vista Business 64-bit edition

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SYMPTOMS
When you try to install Windows Vista on a computer, the Upgrade option is unavailable. You may also receive a message that is specific to the computer hardware.



CAUSE
This issue occurs when one or more pieces of hardware that are attached to the computer are incompatible with Windows Vista.



RESOLUTION
To resolve this issue, follow these steps:  If an installation of Windows Vista is in progress, cancel the current Windows Vista installation. Download and install Windows Vista Upgrade Advisor. To download Windows Vista Upgrade Advisor, visit the following Microsoft Web site:

https://www.microsoft.com/windowsvista/getready/upgradeadvisor/default.mspx

Note Before you run Windows Vista Upgrade Advisor, attach all devices that you typically use to the computer. These devices include printers, scanners, or external hard disks. Windows Vista Upgrade Advisor will examine these devices for compatibility with Windows Vista if the devices are attached. Run Windows Vista Upgrade Advisor. Windows Vista Upgrade Advisor scans the computer and creates a report of all known system, device, and program compatibility issues. If issues exist, Windows Vista Upgrade Advisor recommends ways to resolve them. Upgrade or replace any incompatible hardware as directed by Windows Vista Upgrade Advisor. Unplug all optional devices. After Windows Vista is installed, plug these devices in one at a time. Start the Windows Vista installation.</ol>

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MORE INFORMATION
For more information about hardware compatibility in Windows Vista, click the following article number to view the article in the Microsoft Knowledge Base:

919183 System requirements for Windows Vista

Keywords: kbtshoot kbupgrade kbprb KB927688

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