Check the Battery Pack

Check the battery pack via the OS control and by checking the actual battery pack.

Using the OS control:

1.Open the Power Management setting in the Windows Control Panel screen.

2.On the Power Meter tab, confirm that the Current Power Source and Total Battery Power Remaining parameters are correct.

3.Repeat steps 1 and 2 using both the battery pack and the AC adapter as the power source.

This will help you identify if the problem is on recharging or discharging.

Checking the battery pack voltage:

1.Power off the computer.

2.Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (ground).

3.If the voltage is still less than 7.5 Vdc after recharging, replace the battery.

Checking the battery charge function:

1.Use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

2.If the battery charge indicator does not light up, remove the battery pack and allow it to return to room temperature, then reinstall the battery pack.

3.If the charge indicator still does not light up, replace the battery pack.

Touchpad Check

If the touchpad doesn’t work, do the following actions one at a time to correct the problem. Do not replace a non-defective FRU:

1.Reconnect the touchpad cable.

2.Replace the touchpad board.

3.Replace the system board.

After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointer movement can occur when a slight, steady pressure is applied to the touchpad pointer. This symptom is not a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time.

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Chapter 4

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Acer 4520 manual Touchpad Check, Check the Battery Pack

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.