Consider the following scenario:

• You have a Windows Vista-based computer.
• The computer has both of the following:
  • An AMD 780G Chipset with ATI Radeon HD 3200 integrated graphics processor
  • An ATI Radeon HD 2400 Series graphics card
• You have the ATI Hybrid CrossFireX feature enabled.
• The system enters the Sleep (S1) mode.

In this scenario, you cannot wake the computer by using the mouse or the keyboard.

When you install update 938371 from Windows Update, you may lose access to the USB mouse or the USB keyboard on a computer that is running Windows Vista.

Notes

• This problem occurs when a very specific chain of events occurs in a specific order. This problem is not common. But when this problem occurs, it is very difficult to troubleshoot because you may lose access to the mouse and the keyboard. And, such access is required to troubleshoot the problem.
• See the “Advanced Troubleshooting” section for more information about the conditions in which this problem is known to occur and about the cause of the problem.

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On a Windows Vista-based Tablet PC, you cannot type some special characters if you use the on-screen keyboard and a physical keyboard at the same time.

For example, you cannot type the ã character by pressing ALT GR+~+A on a Tablet PC that has the on-screen keyboard enabled. Even after you close the on-screen keyboard, you cannot type the ã character in this manner.

When you type some special characters, you have to press the ALT key or the ALT GR key. This problem occurs for any language that contains these special characters.

Consider the following scenario:

• You are running a Windows Vista-based computer that has an NVIDIA 680i motherboard installed.
• You plug a USB keyboard into a USB port on the NVIDIA 680i motherboard.
• You restart the computer.

In this scenario, the keyboard does not work. Additionally, a yellow exclamation mark (!) appears next to the USB device in Device Manager.

If you disconnect and then reconnect the keyboard while Windows Vista is running, the keyboard begins to work. However, this problem occurs again after you restart the computer.

Consider the following scenario:

• On a Windows Vista-based computer, you run the Out Of Box Experience (OOBE) Wizard.
• You configure the settings on the Country or region page of the wizard. These include the country settings, the language settings, and the keyboard settings.
• You return to the Country or region page from the Set Up Windows page.

  Note The Set Up Windows page is where you type a product key to activate Windows Vista.

In this scenario, the language settings and the keyboard settings are incorrect. These settings do not reflect the settings that you actually configured.

When you press a keyboard (Hot Start) button to start a program, there is a delay before the program starts on a portable computer that is running Windows Vista. This problem occurs only when the computer is running on battery power.

When you connect a USB PC98 keyboard to a Windows Vista-based computer, the EQUAL SIGN (=) key does not work.

• Vista Codec Package 4.4.9 Final
  The latest update to this code package includes an updated AC3Filter and ffdshow, and has some bug fixes as well.
  (tags: Codec Software )
• Featured Windows Vista Download: Get Virtual Desktops on Vista
  Get multiple desktops that allow key combo’s to jump between them.
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