How to resolve LCD power rail test (L-BIST) failure - error code [2,8] on a Dell Laptop?
If the LCD power rail test (L-BIST) fails with error code [2,8] on your Dell Laptop, it indicates a failure on the LCD power rail of the system board, so replace the system board.
What to do for LCD power rail test (L-BIST) failure - error code [2,7] on Dell Latitude 7200 2-in-1 Laptop?
If the LCD power rail test (L-BIST) fails with error code [2,7] on your Dell Laptop, check to see if the display cable is properly connected.
How to remove flea power from Dell Laptop?
If there is flea power remaining in your Dell Laptop, perform a hard reset.
General| Memory | Up to 16GB LPDDR3 |
|---|---|
| Storage | Up to 1TB PCIe NVMe SSD |
| Graphics | Intel UHD Graphics 620 |
| Operating System | Windows 10 Pro |
| Processor | 8th Generation Intel Core i5 or i7 |
| Display | 12.3-inch FHD+ (1920 x 1280) Touch |
| Battery | 2-cell 38 Whr Integrated |
| Wireless | Intel Dual Band Wireless AC 8265 (802.11ac) + Bluetooth 4.2 |
| Camera | 720p HD webcam |
| Dimensions | 292 x 208 x 9.35 mm (11.49 x 8.18 x 0.37 inches) |
| Ports | 2 x USB-C, 1 x USB 3.1, 1 x microSD card reader, 1 x audio combo jack |
Guidelines to protect computer and ensure personal safety.
Steps to properly shut down the computer before servicing.
Procedure to remove the SD memory card and SIM card tray.
Instructions for removing and installing the display assembly.
Steps to remove and install the Solid State Drive (SSD).
Procedures for removing and installing the Wireless LAN card.
Precautions and steps for removing and installing the battery.
Instructions for removing and installing the heatsink assembly.
Procedures for removing and installing the computer speakers.
Steps to remove and install the front-facing camera module.
Procedures for removing and installing the rear-facing camera module.
Instructions for removing and installing the smart card cage.
Procedures for removing and installing the docking board.
Steps to remove and install the power button daughter board.
Procedures for removing and installing the system board.
Steps to remove and install the I/O board.
Instructions for downloading and installing Windows drivers from Dell.
How to access BIOS setup without a keyboard.
Overview of various BIOS configuration options.
Maintenance procedures like service tag, BIOS downgrade, and data wipe.
Instructions for updating the system BIOS.
How to assign and manage system and setup passwords.
Information on the ePSA diagnostics for hardware checks.
Steps to initiate and run the ePSA diagnostic tests.
Explanation of LED indicators for system status.
Steps to update the BIOS using a USB flash drive.
How to contact Dell support for assistance.
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