Memory-related Symptom

Symptom / Error

Action in Sequence

 

 

Memory count (size) appears different from

Run the Setup Utility, then press F9 to load the system

actual size.

defaults.

 

DIMM

 

System board

 

 

Audio-related Symptoms

Symptom / Error

Action in Sequence

 

 

In Windows multimedia programs, no

Audio driver

sound comes from the computer.

Speaker

 

System board

 

 

Internal speakers emit noise or emit no

Speaker

sound.

System board

 

 

Power Management-related Symptoms

Symptom / Error

Action in Sequence

 

 

 

 

The system will not enter hibernation mode.

Check the system hibernation settings. Press the

key,

 

then select ePower Management from the Empowering

 

Technology interface.

 

 

Keyboard (if control is from the keyboard)

 

 

Hard disk drive

 

 

System board

 

 

 

The system will not enter hibernation mode

Press Fn+o and see if the computer enters hibernation

and emits four short beeps every minute.

mode.

 

 

 

 

Check the system hibernation settings. Press the

key,

 

then select ePower Management from the Empowering

 

Technology interface.

 

 

Touchpad

 

 

Keyboard

 

 

Hard disk drive

 

 

System board

 

 

 

 

The system does not enter standby mode

Check the system hibernation settings. Press the

key,

after closing the notebook lid.

then select ePower Management from the Empowering

 

Technology interface.

 

 

System board

 

 

 

 

The system will not leave hibernation

Hard disk drive

 

mode.

System board

 

 

 

 

The system doesn't resume from standby

System board

 

mode after opening the LCD.

 

 

 

 

Battery fuel gauge in Windows doesn’t go

Remove the battery pack and let it cool for two hours.

higher than 90%.

Refresh the battery pack (continue battery usage until power

 

is depleted, then recharge the battery).

 

 

Battery pack

 

 

System board

 

 

 

 

System hangs intermittently.

Reinstall the system drives (HDD/ODD).

 

 

System board

 

 

 

 

78

Chapter 4

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Image 88
Acer 4520 manual Memory-related Symptom

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.