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2 Troubleshooting 2.1 Outline
2.1 Outline
This chapter describes the fault diagnostic procedures for field replaceable units (FRUs) in the
computer. The FRUs covered here are as follows:
1. System Board 2. Keyboard 3. Display 4. Memory
5. SSD 6. Audio 7. Touchpad 8. USB Port
9. Headphone Port 10. Microphone Port 11. HDMI Port 12. TF Card Port
13.Type-C Port 14. Camera 15. Wireless LAN 16. Battery Pack
17. Bluetooth 18. LAN 19.fingerprint 20.BIOS
This Model support two types platform, one is Intel Comet lake with UMA, other one is Intel
Comet lake with dGPU. See Chapter 4 for the procedures to replace FRUs and Chapter 3 for the
procedures to use test programs.
The following tools are required to perform the diagnostic procedures:
1. USB Memory
2. External monitor with HDMI In Port 3. Headphone
4. Microphone 5. TF Card 6. Type-C Cable
2.2 Basic Flowchart
The basic flowchart in Figure 2-1 serves as a guide for identifying a possibly faulty FRU. Before
going through the diagnostic flowchart steps, verify the following:
Ask the user if a password has been registered and, if so, ask him or her to
enter the password. If the user has forgotten the system password, please follow below erase
password process. The computer will overrides password protection and automatically erases the
current password.
1. hold “Fn” and “Backspace” key
2. press Power button to turn the computer power on
3. password will erase when computer booted
Make sure Windows® 10 has been installed on the HDD. Any other operating system can
cause the computer to malfunction.
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