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5 Troubleshooting

Make sure the memory modules comply with the system requirements.

Make sure the memory modules have been populated according to the system requirements.

Remove and reseat the memory modules.

Make sure the CPU comply with the system requirements.

Make sure the CPU is populated according to the system requirements.

If you are using a video controller board, do the following:

1Verify that the video works using the onboard video controller.

2Verify that the video controller board is fully seated in the mainboard connector.

3Reboot the system for changes to take effect.

4If there are still no characters on the screen after you reboot the system and POST emits a beep code, write down the beep code you hear. This information is useful for your service representative.

5If you do not receive a beep code and characters do not appear, the video display monitor or video controller may have failed. Contact your service representative or authorized dealer for help.

Characters are distorted or incorrect.

Check the following:

Are the brightness and contrast controls properly adjusted on the video monitor? Refer to the documentation that came with the video monitor.

Are the video monitor’s signal and power cords properly connected.

Is the video monitor working correctly when plugged into a different system?

System cooling fan do not rotate properly.

If the system cooling fan is not operating properly, it is an indication of possible system component failure.

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Acer R720 Series manual Characters are distorted or incorrect, System cooling fan do not rotate properly

R720 Series specifications

The Acer R720 Series is a versatile line of laptops designed to cater to the needs of professionals, students, and casual users alike. Known for their reliability and performance, the R720 series has garnered a reputation for being a powerful yet portable computing solution. With a range of models available, users can select the specifications that best fit their individual needs, making it an excellent choice for a variety of tasks.

One of the standout features of the Acer R720 Series is its robust processing capabilities. Most models in this line are equipped with Intel Core processors, ranging from i5 to i7 options, which provide exceptional speed and efficiency for multitasking. Coupled with ample RAM, typically starting at 8GB, users can expect seamless performance whether they are running demanding applications, engaging in video editing, or simply browsing the web.

Display quality is another highlight of the R720 Series. With a full HD display, users can enjoy vibrant visuals with sharp clarity. The screen's anti-glare technology ensures that outdoor usage or bright lighting conditions do not hinder visibility, making it ideal for professionals who are on the go or students attending classes in varied environments.

Moreover, the R720 Series incorporates NVIDIA GeForce graphics options, providing an enhanced visual experience for gaming and graphic design tasks. This dedicated graphics capability ensures that users can enjoy smooth frame rates and detailed graphics in their favorite games or design software.

In terms of build quality, the Acer R720 Series features a sleek and lightweight chassis, making it easy to carry around without compromising durability. The keyboards are comfortable and responsive, promoting a positive typing experience, while the touchpad is precision-oriented, allowing for easy navigation.

Connectivity is another advantage of the R720 Series. Most models come equipped with various ports, including USB Type-C, HDMI, and an SD card reader, ensuring that users can connect to a multitude of devices and peripherals with ease. Wi-Fi 6 capabilities further enhance internet connectivity, offering faster data rates and improved network efficiency.

In conclusion, the Acer R720 Series is designed to deliver an optimal balance of performance, portability, and flexibility. With its powerful processors, high-quality displays, dedicated graphics options, and essential connectivity features, it stands out as a reliable option for users in all walks of life. Whether for work, study, or entertainment, the R720 Series remains a compelling choice.