The following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).

A message prompts you to re-enter the system password.

6.Re-enter the system password that you entered earlier and click OK.

7.Select Setup Password, enter your system password and press <Enter> or <Tab>. A message prompts you to re-enter the setup password.

8.Re-enter the setup password that you entered earlier and click OK.

9.Press <Esc> to save the changes.

NOTE: Password protection does not take effect until the system reboots.

Using Your System Password To Secure Your System

NOTE: If you have assigned a setup password, the system accepts your setup password as an alternate system password.

1.Turn on or reboot your system.

2.Type your password and press <Enter>.

When Password Status is Locked, type the password and press <Enter> when prompted at reboot.

If an incorrect system password is entered, the system displays a message and prompts you to re-enter your password. You have three attempts to enter the correct password. After the third unsuccessful attempt, the system displays an error message that the system has halted and must be powered down.

Even after you shut down and restart the system, the error message is displayed until the correct password is entered.

NOTE: You can use the Password Status option in conjunction with the System Password and Setup Password options to protect your system from unauthorized changes.

Deleting Or Changing An Existing System And/Or Setup Password

Ensure that the Password jumper is set to enabled and the Password Status is Unlocked before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password if the Password Status is Locked.

To delete or change the existing System and/or Setup password:

1.To enter System Setup, press <F2> immediately after a power-on or reboot.

2.In the System Setup Main Menu, select System BIOS and press <Enter>. The System BIOS screen is displayed.

3.In the System BIOS Screen, select System Security and press <Enter>. The System Security screen is displayed.

4.In the System Security screen, verify that Password Status is Unlocked.

5.Select System Password, alter or delete the existing system password and press <Enter> or <Tab>.

6.Select Setup Password, alter or delete the existing setup password and press <Enter> or <Tab>.

NOTE: If you change the System and/or Setup password a message prompts you to re-enter the new password. If you delete the System and/or Setup password, a message prompts you to confirm the deletion.

7.Press <Esc> to save the changes.

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Dell QHB owner manual Using Your System Password To Secure Your System

QHB specifications

The Dell QHB, a significant entry in Dell's lineup of versatile workstations, is designed to cater to the needs of professionals requiring high performance and reliability. This powerful machine stands out in various sectors including engineering, graphics design, and data analysis, owing to its robust features and cutting-edge technologies.

One of the most notable characteristics of the Dell QHB is its powerful processing capabilities. Equipped with the latest Intel Core or Xeon processors, it offers exceptional multi-threaded performance, facilitating smooth operation even under heavy workloads. Users can experience seamless multitasking, which is crucial for demanding applications.

Graphics performance is another standout feature of the QHB. It can be configured with high-performance NVIDIA RTX or AMD Radeon graphics cards, which enable spectacular renderings and support for high-resolution displays. This makes the workstation particularly appealing to graphic designers and video editors who need to work with advanced visual content.

The QHB is designed with expandability in mind. It supports multiple RAM configurations, allowing users to maximize memory up to 128GB or more. Such expandability ensures that the workstation can handle vast datasets and complex simulations efficiently. Additionally, it comes with ample storage options, including SSDs and traditional hard drives, providing users with the flexibility to choose performance or capacity based on their specific needs.

Another critical aspect of the Dell QHB is its thermal management system. The workstation employs sophisticated cooling technologies that prevent overheating, ensuring sustained performance under heavy loads. Quality build materials and thoughtful design contribute to a durable chassis, which means the QHB can withstand the rigors of professional environments.

Advanced connectivity options are also a hallmark of the Dell QHB. It features multiple USB ports, Thunderbolt connections, and DisplayPorts, making it versatile and compatible with a wide range of peripherals and monitors. This level of connectivity aids users in setting up efficient workflows and enhances overall productivity.

The design of the QHB emphasizes user comfort, with ergonomic considerations such as easily accessible ports and a user-friendly layout. It also incorporates energy-efficient components, aligning with Dell's commitment to sustainability without sacrificing performance.

In summary, the Dell QHB is a highly versatile workstation tailored for professionals seeking high performance, stellar graphics capabilities, expandability, efficient thermal management, and robust connectivity options. This makes it an ideal choice for demanding tasks in various industries, ensuring it remains a dependable tool for creative and analytical work.