Dell P144G - User Manual

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Latitude 3420

Service Manual for computers with discrete graphics

Regulatory Model: P144G

Regulatory Type: P144G001/P144G002

August 2021

Rev. A02

Table of Contents

Other manuals for Dell P144G

Setup And Specifications23 pages

Re-Imaging Guide16 pages

Questions and Answers

H
Heather GonzalesAug 20, 2025
What to do if my Dell Laptop battery is swollen?
- W
  William ShannonAug 20, 2025
  If you notice that your Dell Laptop battery is swollen, immediately discontinue using the laptop. Discharge the battery by disconnecting the AC adapter and allowing it to drain completely. Replace the swollen battery and dispose of it properly. You may also contact Dell product support for options to replace a swollen battery under the terms of the applicable warranty or service contract.
B
Brian JohnsonAug 21, 2025
What to do if my Dell P144G has no memory/RAM detected?
- M
  Melvin BrownAug 22, 2025
  If your Dell Laptop is not detecting memory/RAM, first confirm that the memory module is installed properly. If the problem persists, replace the memory module.
V
Vanessa ArroyoAug 25, 2025
What to do if my Dell Laptop has a memory/RAM failure?
- M
  Michele LewisAug 25, 2025
  If your Dell Laptop experiences a memory/RAM failure, try resetting and swapping the memory modules among the slots. If the issue continues, replace the memory module.
E
Erika MartinAug 26, 2025
What to do if my Dell P144G displays a BIOS Recovery image not found error?
- J
  Jack JamesAug 26, 2025
  If your Dell Laptop shows a 'BIOS Recovery image not found' error, flash the latest BIOS version. If the problem continues, replace the system board.
B
Brian GarrettAug 28, 2025
What to do if my Dell P144G displays a BIOS Recovery image found but invalid error?
- M
  Mia SanchezAug 28, 2025
  If your Dell Laptop displays a 'BIOS Recovery image found but invalid' error, flash the latest BIOS version. If the problem persists, replace the system board.
J
Johnny ParrishAug 30, 2025
What to do if my Dell P144G Laptop has LCD failure (SBIOS message)?
- J
  jo81Aug 30, 2025
  If your Dell Laptop's LCD is failing and showing an SBIOS message, replace the LCD module.
S
Stefanie MeyerSep 1, 2025
What to do if my Dell P144G experiences a generic catch-all for ungraceful EC code flow errors?
- R
  raymond05Sep 1, 2025
  If your Dell Laptop experiences a generic catch-all for ungraceful EC code flow errors, disconnect all power sources (AC, battery, coin cell) and drain flea power by pressing and holding down the power button for 3~5 seconds.
L
Lisa GarciaSep 3, 2025
What to do if my Dell P144G Laptop has LCD failure (EC detection of power rail failure)?
- J
  Joshua MooreSep 3, 2025
  If the EC detects a power rail failure on your Dell Laptop's LCD, replace the system board.
G
Gregory JonesSep 5, 2025
What to do if my Dell Laptop has PCI or Video card/chip failure?
- J
  Janice SchneiderSep 5, 2025
  If your Dell Laptop experiences a PCI or Video card/chip failure, replace the system board.
L
linda14Sep 7, 2025
What to do if my Dell P144G has an LCD power rail failure?
- S
  Stacie MoralesSep 7, 2025
  If there is a failure on the LCD power rail of your Dell Laptop's system board, replace the system board.

Dell P144G Specifications

General

Brand	Dell
Model	P144G
Category	Laptop
Language	English

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