What to do if my Dell Laptop battery is swollen?
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.
What to do if my Dell Latitude 3420 Laptop has no memory/RAM detected?
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.
What to do if my Dell Laptop has a memory/RAM failure?
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.
What to do if my Dell Laptop displays a BIOS Recovery image not found error?
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.
What to do if my Dell Laptop displays a BIOS Recovery image found but invalid error?
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.
What to do if my Dell Laptop has LCD failure (SBIOS message)?
If your Dell Laptop's LCD is failing and showing an SBIOS message, replace the LCD module.
What to do if my Dell Latitude 3420 Laptop experiences a generic catch-all for ungraceful EC code flow errors?
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.
What to do if my Dell Latitude 3420 has LCD failure (EC detection of power rail failure)?
If the EC detects a power rail failure on your Dell Laptop's LCD, replace the system board.
What to do if my Dell Latitude 3420 has PCI or Video card/chip failure?
If your Dell Laptop experiences a PCI or Video card/chip failure, replace the system board.
What to do if my Dell Latitude 3420 Laptop has an LCD power rail failure?
If there is a failure on the LCD power rail of your Dell Laptop's system board, replace the system board.
General| Harmonized System (HS) code | 84713000 |
|---|
Guidelines to protect your computer and ensure personal safety during internal operations.
Measures to prevent damage to sensitive components from static electricity.
Prerequisites and steps to prepare the computer before accessing internal components.
Procedure to enter a special mode for performing internal component repairs.
Diagram and list identifying the primary internal components of the laptop.
Detailed steps for removing and installing the computer's base cover.
Procedures for removing and installing the 3-cell and 4-cell batteries.
Detailed steps for removing and installing the main system board.
Procedures for removing and installing M.2 2230 and M.2 2280 solid-state drives.
Steps to access the BIOS setup utility from the computer's startup.
Procedures for setting, changing, and deleting system and BIOS setup passwords.
Instructions for updating the system's BIOS using various methods like Windows, USB, or F12 menu.
Safety guidelines and procedures for dealing with swollen laptop batteries.
Procedures for running built-in self-tests like M-BIST and LCD BIST.
Explanation of diagnostic LED blinking patterns and their corresponding problems/resolutions.
Steps for using Dell SupportAssist OS Recovery to fix boot issues.
List of online and application-based resources for product support and information.
Information on how to contact Dell for sales, technical support, and customer service.
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