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Blinking patterns Error codes Solutions
0284: TCG-compliant functionality-related
error (might be the BIOS code validation
failure)
Replace the system board (service provider
only).
0285: TCG-compliant functionality-related
error (might be the TPM initialization failure)
Replace the system board (service provider
only).
0286: Integrated graphics error
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).
Diagnostics tool
This section provides introduction to a set of diagnostics and troubleshooting tools at Lenovo Support Web
site, the Vantage app, and in your computer. They can help you diagnose common software and hardware
issues.
The following table lists these diagnostics tools and the recommended conditions for each tool.
Diagnostics tool
Recommended scenario
Troubleshoot and diagnose at Lenovo Support Web site
You want to have an online troubleshooting or scan of
hardware and drivers on your computer.
Hardware scan
• Your computer is installed with the Vantage app.
• You want to perform basic examinations of the
hardware components.
UEFI Diagnostics tool
• You cannot log in to the operating system.
• Your computer cannot connect to the network.
Troubleshoot and diagnose at Lenovo Support Web site
Lenovo provides two different diagnosing options to help you identify and resolve problems on your
computer.
Step 1. Go to
https://www.pcsupport.lenovo.com/ and enter your product name in the search box.
Step 2. Click Troubleshoot & Diagnose and select from the following two options depending on your
needs.
Chapter 7. Help and support 93
Bekijk gratis de handleiding van Lenovo ThinkPad E14 Gen 7, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Lenovo |
| Model | ThinkPad E14 Gen 7 |
| Categorie | Laptop |
| Taal | Nederlands |
| Grootte | 13369 MB |
