BIOS

dell 15z-5523 DMB50-11307-1 HM77

BIOS / EC firmware for Dell 15z-5523 / DMB50-11307-1 / HM77 · board 11307-1 · 8.0 MB · shared in 1 Telegram post.

TXTAbout dell 15z-5523 DMB50-11307-1 HM77 BIOS / EC firmware

dell 15z-5523 DMB50-11307-1 HM77 is a Dell 15z-5523 / DMB50-11307-1 / HM77 BIOS / EC firmware dump for board 11307-1 — tested. The file file is 8.0 MB. It was first posted on 29 Dec 2023 and is available in 1 Telegram channel.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is 11307-1.

For the same board you can also find a boardview, a schematic and board packs — see all 11307-1 files.

Type
BIOS & EC
Format
—
Size
8.0 MB
Brand
Dell
Board number
11307-1
Model
15z-5523, DMB50-11307-1, HM77
Notes
tested
First posted
29 Dec 2023
Last posted
29 Dec 2023
Sources
1

Tags

MSGFrom the Telegram post

WORKING

J1Download 11307-1 BIOS / EC firmware from Telegram

R1How to download dell 15z-5523 DMB50-11307-1 HM77

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file dell 15z-5523 DMB50-11307-1 HM77 to download it.
  3. Open it with the matching program — see our format guide.

If a post was deleted, try another source above or search for 11307-1. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.