To change a system password:

1.Press or to highlight an enabled password field, then press Enter. The password box appears.

2.Type the original password, then press Enter.

3.Type a new password, then press Enter.

4.Retype the new password to verify the first entry, then press Enter. You will be prompted to save the new password.

5.Press Enter.

6.Press F10 to save the password and close the Setup Utility.

To remove a system password:

1.Press or to highlight a password parameter, then press Enter. The password box appears.

2.Type the original password, then press Enter.

3.Press Enter twice without entering anything in the new and confirm password fields. You will be prompted to confirm the password removal.

4.Press Enter.

The corresponding password status field displays Clear to indicate that the password has been disabled.

5.Press F10 to save the changes you made and close the Setup Utility.

To clear a lost password:

If you have forgotten the user password, the computer will continue to function normally but you will have limited access to the Setup Utility.

If you have enabled the Password on Boot field and you forget the supervisor password, you will not be able to boot up the computer. The same thing applies if you forget an HDD password.

You will need short the G41 pin located near the DIMM slot (DM1) to clear the supervisor password. To clear the supervisor password:

1.Turn off the computer and unplug all the peripherals connected to it.

2.Unplug the power cord from the computer.

3.Remove the lower case cover according to the instructions described on page 32.

4.Remove the memory modules according to the instructions described on page 32.

20

Chapter 2

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Acer 4520 manual To change a system password, To remove a system password, To clear a lost password

4520 specifications

The Acer 4520 laptop is a versatile and economically accessible device that caters to a wide variety of computing needs. Launched in the mid-2000s, this laptop became particularly popular among students and working professionals, thanks to its balance of performance, portability, and affordability.

One of the standout features of the Acer 4520 is its durable yet lightweight design, which weighs around 2.6 kg. This makes it easy to carry around, whether for commuting to school or taking it to a coffee shop for remote work. The 15.4-inch screen with a resolution of 1280 x 800 pixels provides a decent visual experience, suitable for both productivity tasks and media consumption.

In terms of performance, the Acer 4520 is typically equipped with AMD processors, such as the AMD Turion X2 or Athlon series, which are designed to deliver competent multitasking capabilities. The laptop usually comes with 1GB or 2GB of RAM, allowing users to run essential applications smoothly. Additionally, the device features a 120GB to 250GB hard drive, providing ample storage space for documents, photos, and multimedia files.

Connectivity is another strong point of the Acer 4520. It comes with a variety of ports, including USB 2.0, VGA, and audio jacks, as well as a built-in webcam for video conferencing and social interaction. The laptop supports Wi-Fi connectivity, enabling users to access the internet wirelessly, which is essential for both personal and professional use.

The Acer 4520 also integrates several multimedia features, including a DVD-RW drive for reading and writing optical discs, along with built-in speakers that deliver sound decent enough for casual listening. Additionally, it supports Acer's own PowerSmart technology, which helps manage battery life and optimize performance, allowing users to prolong their usage time during on-the-go scenarios.

Furthermore, the laptop offers a user-friendly operating system, commonly shipped with Windows Vista or later versions, providing a familiar environment for users. Overall, the Acer 4520 stands out with its balanced range of features, reliability, and economical price point, making it an attractive option for budget-conscious individuals seeking a capable laptop for everyday tasks. This blend of utility and performance ensures that the Acer 4520 remains relevant for basic computing needs even years after its initial release.