Dell · laptop motherboard

Dell XPS 9520 LA-L402P

BIOS
Board code
LA-L402P
Platform
HDA51
Made by
Compal
Revisions
Rev 1.0
Files
4
Updated

Dell XPS 9520 LA-L402P is a laptop motherboard designed by Compal and used in the Dell XPS 9520, Dell Precision 5570 and Dell XPS 5570.

The catalog has 4 BIOS files for it, posted between 2023 and 2024. Each download button opens the original Telegram post.

The files are marked Rev 1.0; other revisions of the same board can differ in parts and layout.

BIOS notes: file names mention 64 MB chip sizes. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Also listed under platform HDA51.

Compatible models

  • Dell XPS 9520
  • Dell Precision 5570
  • Dell XPS 5570

Files for Dell XPS 9520 LA-L402P

BIOS and firmware 4 All bios and firmware →

  • DELL_Precision_5570_HD051_HDA51_LA_L402P_REV_1_0A00_suffix_8FC8.rar 31 MBRev 1.0
    Download from Telegram
  • Dell_xps_15_5570_HD051_HDA51_LA_L402P_REV_1_0A00_2021_12_24_64MB.rar 15 MBRev 1.0
    Download from Telegram
  • DELL_XPS_15_9520_HD051_HDA51_LA_L402P_REV_1_0_A00_2021_12_24_64MB.rar 29 MBRev 1.0
    Download from Telegram
  • DELL XPS 15 9520 LA-L402P REV 1.0(A00) 2021-12-24 64MB.rar 14 MBRev 1.0 (A00)
    Download from Telegram

Frequently asked questions

Which laptops use the LA-L402P motherboard?
File names in the catalog tie LA-L402P to the Dell XPS 9520, Dell Precision 5570 and Dell XPS 5570. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of LA-L402P do I have?
Files for this board mention Rev 1.0. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the LA-L402P BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 64 MB images; the dump size must match your chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file