154

 

 

 

 

5 Troubleshooting

 

 

 

 

Diagnostic LED Decoder

 

Checkpoint

G=Green, R=Red, A=Amber

Description

code

 

 

 

 

 

 

MSB

 

 

LSB

 

 

 

 

 

 

 

0xF8h

A

R

R

R

Operating system has requested EFI

 

 

 

 

 

to close boot services (Exit Boot

 

 

 

 

 

Services has been called)

 

 

 

 

 

 

0xF9h

A

R

R

A

Operating system has switched to

 

 

 

 

 

virtual address mode (Set Virtual

 

 

 

 

 

Address Map has been called)

 

 

 

 

 

 

0xFAh

A

R

A

R

Operating system has requested

 

 

 

 

 

the system to reset (Reset System

 

 

 

 

 

has been called)

 

Pre-EFI Initialization Module (PEIM)/Recovery

 

 

 

 

 

 

0x30h

OFF

OFF

R

R

Crisis recovery has been initiated

 

 

 

 

 

because of a user request

 

 

 

 

 

 

0x31h

OFF

OFF

R

A

Crisis recovery has been initiated by

 

 

 

 

 

software (corrupt flash)

 

 

 

 

 

 

0x34h

OFF

G

R

R

Loading crisis recovery capsule

 

 

 

 

 

 

0x35h

OFF

G

R

A

Handing off control to the crisis

 

 

 

 

 

recovery capsule

 

 

 

 

 

 

0x3Fh

G

G

A

A

Unable to complete crisis recovery.

 

 

 

 

 

 

Page 164
Image 164
Acer R720 Series manual 154, Pre-EFI Initialization Module PEIM/Recovery

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.