
ChengMing 3991 Setup and specifications guide
Set up your computer
Steps
- Connect the keyboard and mouse.

- Connect to your network using a cable, or connect to a wireless network.

- Connect the display.

- Connect the power cable.

- Press the power button.
- Finish Windows system setup.
Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you:
- Connect to a network for Windows updates.
NOTE If connecting to a secured wireless network, enter the password for the wireless network access when prompted.
- If connected to the internet, sign-in with or create a Microsoft account. If not connected to the internet, create an offline account.
- On the Support and Protection screen, enter your contact details.
- Connect to a network for Windows updates.
- Locate and use Dell apps from the Windows Start menu—Recommended.
Table 1. Locate Dell appsProvides the list of Dell apps on ChengMing 3990/3991. Resources Description 
Dell Product Registration
Register your computer with Dell.

Dell Help & Support
Access help and support for your computer.

SupportAssist
SupportAssist is the smart technology that keeps your computer running at its best by optimizing settings, detecting issues, removing viruses and notifies when you need to make system updates. SupportAssist proactively checks the health of your system's hardware and software. When an issue is detected, the necessary system state information is sent to Dell to begin troubleshooting. SupportAssist is preinstalled on most of the Dell devices running Windows operating system. For more information, see SupportAssist for Home PCs User's Guide on www.dell.com/serviceabilitytools.
NOTE In SupportAssist, click the warranty expiry date to renew or upgrade your warranty.
Dell Update
Updates your computer with critical fixes and latest device drivers as they become available. For more information about using Dell Update, see the knowledge base article 000149088 at www.dell.com/support.

Dell Digital Delivery
Download software applications, which are purchased but not pre-installed on your computer. For more information about using Dell Digital Delivery, see the knowledge base article 000129837 at www.dell.com/support.