Dell · laptop motherboard

Dell Inspiron 5490 18778-1

SchematicBoardviewBIOS
Board code
18778-1
Made by
Wistron
Files
6
Updated

Dell Inspiron 5490 18778-1 is a laptop motherboard designed by Wistron and used in the Dell Inspiron 5490, Dell Vostro 5590 and Dell Latitude 5490.

The catalog has 1 schematic, 1 boardview file and 4 BIOS files for it, posted between 2022 and 2023 across 3 Telegram channels. Each download button opens the original Telegram post.

The boardview comes in .BDV format. OpenBoardView (free) usually opens these files; FlexBV works too. See OpenBoardView: Installation and First Steps.

With both a schematic and a boardview you can find a net on the diagram and then locate the same part on the board by its reference designator. No Boardview for Your Board? How to Work Without One shows the workflow.

BIOS notes: file names mention 8 MB and 16 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.

Compatible models

Files for Dell Inspiron 5490 18778-1

Schematics 1 All schematics →

Boardview files 1 All boardview files →

BIOS and firmware 4 All bios and firmware →

Frequently asked questions

Which laptops use the 18778-1 motherboard?
File names in the catalog tie 18778-1 to the Dell Inspiron 5490, Dell Vostro 5590 and Dell Latitude 5490. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
How do I open the 18778-1 boardview file?
The boardview for 18778-1 is available as .BDV. .BDV usually opens in OpenBoardView (free) or FlexBV. See What Is a Boardview File and Why You Need One.
What should I check before flashing the 18778-1 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 8 MB and 16 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.

Guides for this board

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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