Error codes
Solutions
0287: Discrete graphics error
1. Reinstall or replace the discrete graphics card
(service provider only).
2. If step 1 does not work, replace the system board
(service provider only).
0288: Computer display error
1. Reconnect the display cable on both the system
board side and the computer display side (service
provider only) and check the LCD panel.
2. If step 1 does not work, connect an external
display to your computer and check the status
(customer or service provider).
• If the external display works, replace the LCD
panel (service provider only).
• If the external display does not work, replace
the system board (service provider only).
No-beep symptoms
Table 4. No-beep symptoms
Symptom or error
FRU or action, in sequence
No beep, power-on indicator on, LCD blank, and no
POST.
1.
Run LCD Self Test.
2. Ensure that every connector is connected tightly and
correctly.
3. Reseat memory module.
4. Replace the system board.
No beep, power-on indicator on, and LCD blank during
POST.
1.
Run LCD Self Test.
2. Reseat memory module.
3. Replace the system board.
No beep, power-on indicator on, LCD blank, and LED
indicators on Esc, F1 and F4 blink sequentially during
POST.
BIOS is performing memory retraining. Do not press the
power button to interrupt this process. Wait a few minutes
until the logo screen is displayed.
The power-on password prompt appears.
A power-on password or a supervisor password is set.
Type the password and press Enter.
The NVMe password prompt appears.
An NVMe password is set. Type the password and press
Enter.
LCD-related symptoms
Important:
The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). The
presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT
LCD technology, but excessive pixel problems can cause viewing concerns.
If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty.
However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and
it should be replaced.
Notes:
• This policy applies to all ThinkPad Notebooks purchased on 1 January, 2008 or later.
• Lenovo will not provide warranty replacement if the LCD is within specifications because we cannot
guarantee that any replacement LCD will have zero pixel defects.
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Summary of Contents for Thinkpad X13 Yoga Gen 3
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Page 11: ...DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Page 12: ...DANGER 6 X13 Yoga Gen 3 Hardware Maintenance Manual ...
Page 13: ...PERIGO Chapter 1 Safety information 7 ...
Page 14: ...PERIGO PERIGO PERIGO PERIGO 8 X13 Yoga Gen 3 Hardware Maintenance Manual ...
Page 15: ...PERIGO PERIGO PERIGO DANGER DANGER Chapter 1 Safety information 9 ...
Page 16: ...DANGER DANGER DANGER DANGER DANGER 10 X13 Yoga Gen 3 Hardware Maintenance Manual ...
Page 17: ...DANGER VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Page 18: ...VORSICHT VORSICHT VORSICHT VORSICHT 12 X13 Yoga Gen 3 Hardware Maintenance Manual ...
Page 19: ...Chapter 1 Safety information 13 ...
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