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- DELL INSPIRON 3420Schematic · 2.15 MB · 26 Nov 2025Schematic pdf—2.15 MB
- Dell Inspiron 3420BIOS · 8.00 MB · 28 Apr 2025BIOS bin—8.00 MB
- Dell Inspiron 3420Archive · 2.89 MB · 30 Sept 2019Archive rar—2.89 MB
- Dell Inspiron 3420 @JD BIOS WORLDBIOS · 2.90 MB · 27 Sept 2017BIOS rar—2.90 MB
- Dell Inspiron 2420 3420 (Wistron DV14 MLK DIS)Schematic · 2.15 MB · 8 Sept 2023Schematic pdf—2.15 MB
- Dell Inspiron 3420 (DV14 MLK UMA 11281-1)Archive · 11281-1 · 3.10 MB · 20 Apr 2022Archive zip3.10 MB
- Dell Inspiron 2420 3420 Wistron DV14 MLK DIS Laptop SchematicsSchematic · 2.15 MB · 16 Apr 2021Schematic pdf—2.15 MB
- DR-BIOS.COM Dell Inspiron 3420=8=DV14 11282-1BIOS · 11282-1 · 3.04 MB · 20 Apr 2021BIOS zip3.04 MB
- Dell Inspiron 2420 3420 Wistron DV14 MLK DIS 11282 SC SchematicsSchematic · 1.46 MB · 31 Mar 2021Schematic pdf—1.46 MB
- Dell Inspiron 3420 DV14 MLK UMA 11281 1 telegram BIOS Repair 2025BIOS · 3.23 MB · 19 Sept 2025BIOS zip—3.23 MB
- DELL INSPIRON 3511 VOSTRO 3510 3420 HDL51 LA L947P REV 1 0A00 I7BIOS · LA-L947P · 11.4 MB · 3 Sept 2025BIOS rar11.4 MB
- Dell Inspiron Vostro 3420 3520 HDL50 HDL5A LA L946P REV 1 0 i5 12thBIOS · LA-L946P · 22.5 MB · 18 Sept 2025BIOS rar22.5 MB
- Inspiron 3420 dv14-mlkdis-11282Schematic · 2.15 MB · 5 Aug 2019Schematic pdf—2.15 MB
- Inspiron Vostro 3420 3520 1.40.0Software · 116 MB · 19 May 2026Software exe—116 MB
- Dell Inspiron Vostro 3420 3520 HDL50 HDL5A LA L946P REV 1 0 i5 12thBIOS · LA-L946P · 11.7 MB · 8 Jan 2026BIOS rar11.7 MB
- SM BIOS Dell Inspiron 15 3520 and Vostro 3420 3520 LA L946P REVBIOS · LA-L946P · 10.8 MB · 2 Jul 2025BIOS rar10.8 MB
- SM BIOS Dell Inspiron 15 3520 and Vostro 3420 3520 LA L946P REVBIOS · LA-L946P · 10.9 MB · 2 Jul 2025BIOS rar10.9 MB
- Dell Inspiron 3420
BIOS image for the Dell Inspiron 3420, listed without a file extension and carrying no board number, revision or firmware version in its name.
BIOS · 8.00 MB · 15 Jun 2022BIOS—8.00 MB - Dell Inspiron 3420 (DV14 MLK UMA 11281-1)
BIOS dump for the Dell Inspiron 3420 using Wistron board 11281-1, DV14 MLK design, in the UMA variant with integrated graphics only.
BIOS · 11281-1 · 3.15 MB · 2 Jun 2021BIOS zip3.15 MB - DELL Inspiron Vostro 3420 3520 HDL50 HDL5A LA L946P REV 1 0 i5 12th
BIOS firmware archive for Dell Inspiron and Vostro 3420 and 3520 notebooks on Compal board LA-L946P revision 1.0, with the HDL50 and HDL5A platform codes in the name.
BIOS · LA-L946P · 96.8 MB · 7 Aug 2026BIOS rar96.8 MB - Dell Inspiron 15 3520 and Vostro 3420 3520 LA L947P REV 1 0 100%
BIOS for Compal board LA-L947P revision 1.0, shared by the Dell Inspiron 15 3520 and the Vostro 3420 and 3520, with the 100% tag indicating the uploader considers it…
BIOS · LA-L947P · 11.0 MB · 12 Jan 2025BIOS rar11.0 MB - DELL VOSTRO 3420 HDL50 HDL5A LA L946P REV 1 0 A00 2022 04 11 WORKINGBIOS · LA-L946P · 37.8 MB · 6 Jan 2026BIOS rar37.8 MB
- Dell 3420
A BIOS dump for a Dell model numbered 3420, presumably an Inspiron or Latitude 3420, since the name gives no series. The 8 MB binary matches a 64 Mbit SPI flash.
BIOS · 8.00 MB · 9 Oct 2025BIOS—8.00 MB - Dell inprision 3420 DV14 MLK DIS MB 11282-SB WINBOND 25Q64
Dell Inspiron 3420 BIOS dump for the DV14 MLK DIS mainboard 11282-SB, stored for a Winbond 25Q64 flash chip, which holds 8 MB, in a 2.81 MB RAR archive.
BIOS · 2.81 MB · 27 Mar 2021BIOS rar—2.81 MB - DELL INSPIRON 3520 10MA HDL50 LA L946P REV 1 0 A00 2022 04 21BIOS · LA-L946P · 38.6 MB · 23 Jan 2026BIOS rar38.6 MB