Hp 840 g4 elitebook Liquid damage

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • appie1206
    Senior Member
    • Oct 2016
    • 114
    • netherlands
    #1

    Hp 840 g4 elitebook Liquid damage

    Hello everyone i have a problem with my hp..
    It has liquid damage.... When i plug in the powercord the powerbutton will light up for a seccond.. when i press the power the power/chargeled will blink 9 times
    Can somebody help me with the schematic?... So i can checkthe voltage of some components!!..Or does some one knows how too fix?

    Thank you very much!!!
    Tags: None
    • diif
      Badcaps Legend
      • Feb 2014
      • 6978
      • England
      #2
      Re: Hp 840 g4 elitebook Liquid damage

      Strip it down and see which areas have been damaged.
      Check for resistance to ground on the coils to check for shorts.
      Apply adapter and measure for voltages.

        Comment

        Previous template Next

        Related Topics

        Collapse
        • maverick8
          HP EliteBook 820 G4 - liquid damage - help
          by maverick8
          Hi

          I just got a HP EliteBook 820 G4 HSN-I01C 6050A2854201-MB-A01 i5-7200U with liquid damage. At the first check, the motherboard was short with no led light! After checking the motherboard I found a fired chip indicated in Area#1. After cleaning it, the short from the motherboard disappeared and the led light was presented, but not power on!

          After second checking with 19,5V presented on the board I found a chip very hot indicated in Area#2 as needing to be replaced.

          Can someone help me with a schematic for this HP? Or maybe some one help to find out...
          02-22-2023, 11:03 AM
        • Zibbo
          HP Elitebook X360 1030 G2 No backlight after liquid damage
          by Zibbo
          Hi, I have a HP Elitebook X360 1030 G2 OLDMAN-6050A2848001-MB-A01 laptop motherboard without backlight after liquid damage on the LVDS connector. The screen and LVDS cable are working.
          I have replaced the connector and its properly soldered, there is 19V on backlight supply pins.
          I need help identifying Backlight PWM and Enable pins on this motherboard....
          12-23-2022, 09:18 AM
        • mon2
          A1466 Macbook Air (Liquid damage repair)
          by mon2
          Hi. Recently serviced a damaged A1466 Macbook Air. Thought to post the issues and resolution for each.

          Macbook AIR Model A1466 Diagnostic 09-01-2021

          Issue: Liquid damaged (beer spill) Macbook AIR will not power up.


          Problems & Resolutions

          1) Attached Apple magsafe power adapter. No green / no orange light. This confirms the absence of the PP3V42_G3H voltage rail. The PP3V42_G3H rail is the primary voltage rail necessary to communicate with the magsafe power adapter to report the green or orange light status to the end user....
          09-01-2021, 09:31 AM
        • rilley
          MacBook Pro 13inch 2017mid (A1706 820-00923-A) - liquid damage - USBC and Display short circuit
          by rilley
          Hello everyone,
          I am new into this, sorry to post it here. I want to make this as a pet hobby project, as this mac is not urgent.

          I have (Macbook Pro 13inch 2017mid) A1706 820-00923-A

          My mac had liquid damage a long time ago, the connector from J8500 is damaged on pin 46 (PP5V_S0_ALSCAM_F), I guess the LCD/display panel is in short circuit, as I saw the connector from the LCD burned as well.

          And the resistor L4004 is literally burned.

          From what I see from the schematics, it does not affect any other rails, only the connection to the display...
          07-10-2024, 01:57 AM
        • Document Archive
          HP EliteBook EliteBook 860 16 inch G9 Notebook PC Notebook 800 Specification for Upgrade or Repair
          by Document Archive
          This specification for the HP EliteBook EliteBook 860 16 inch G9 Notebook PC Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the EliteBook 860 16 inch G9 Notebook PC boardview and EliteBook 860 16 inch G9 Notebook PC schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that...
          09-07-2024, 05:50 AM
        • Loading...
        • No more items.
        Working...