HP ProBook 640 G4 BIOS request

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  • Satus
    Member
    • May 2016
    • 19
    • South Africa

    #61
    Good day all

    Can someone Please assist me with this File it has no Display

    HP PROBOOK 640 G4
    S/N: 5CG91400Z5
    Attached Files

    Comment

    • hoaca388
      Badcaps
      • Jan 2022
      • 12096
      • Socialist Republic of Vietnam

      #62
      Originally posted by Satus
      Good day all

      Can someone Please assist me with this File it has no Display

      HP PROBOOK 640 G4
      S/N: 5CG91400Z5
      HP ProBook 640 G4 Notebook PC IDS Base Model
      Attached Files


      Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
      https://www.badcaps.net/donate

      Comment

      • LukaszHP88
        New Member
        • Jun 2025
        • 6
        • Polska

        #63
        Good day to all

        Can someone help me with this file. Black fan screen does not work and LED light on CAPSLOCK key is on. I uploaded another Bios, the laptop turned on but lots of errors. I have to rebuild old ory because I have BitLocker and I do not know where it saved.

        HP PROBOOK 640 G4
        S/N; 5CG9071JKT
        MultiProg HP ProBook 640 G4 6050A2930101-MB-A01.rar
        Attached Files

        Comment

        • peste
          Super Moderator
          • Dec 2016
          • 13197
          • ROMANIA

          #64
          Originally posted by LukaszHP88
          Good day to all

          Can someone help me with this file. Black fan screen does not work and LED light on CAPSLOCK key is on. I uploaded another Bios, the laptop turned on but lots of errors. I have to rebuild old ory because I have BitLocker and I do not know where it saved.

          HP PROBOOK 640 G4
          MultiProg HP ProBook 640 G4 6050A2930101-MB-A01.rar
          post S/N, full name and model, motherboard model, product number,etc.

          Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

          >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

          Every donation made will go towards server fees and maintenance costs.

          Comment

          • LukaszHP88
            New Member
            • Jun 2025
            • 6
            • Polska

            #65

            The post has already been completed​

            Comment

            • LukaszHP88
              New Member
              • Jun 2025
              • 6
              • Polska

              #66
              Nobody will help?​

              Comment

              • hoaca388
                Badcaps
                • Jan 2022
                • 12096
                • Socialist Republic of Vietnam

                #67
                Originally posted by LukaszHP88
                Good day to all

                Can someone help me with this file. Black fan screen does not work and LED light on CAPSLOCK key is on. I uploaded another Bios, the laptop turned on but lots of errors. I have to rebuild old ory because I have BitLocker and I do not know where it saved.

                HP PROBOOK 640 G4
                S/N; 5CG9071JKT
                MultiProg HP ProBook 640 G4 6050A2930101-MB-A01.rar
                HP ProBook 640 G4 Notebook PC
                Attached Files


                Any donations to badcaps are welcome, click this link to donate . Thanks to all the supporters
                https://www.badcaps.net/donate

                Comment

                • LukaszHP88
                  New Member
                  • Jun 2025
                  • 6
                  • Polska

                  #68
                  Originally posted by hoaca388

                  HP ProBook 640 G4 Notebook PC

                  Hello. Thanks for the Phelp. Is this Bios repaired from my original? Or some other?​

                  Comment

                  • LukaszHP88
                    New Member
                    • Jun 2025
                    • 6
                    • Polska

                    #69
                    Originally posted by hoaca388

                    HP ProBook 640 G4 Notebook PC

                    unfortunately the bios does not work, the same, black screen, LED indicator of the "caps lock" button lit​

                    Comment

                    • andresi
                      Senior Member
                      • Nov 2020
                      • 153
                      • INDONESIA

                      #70
                      hi, can you help to unlock?
                      i tried with RCU but still have password

                      HP 640 g4
                      SN: 5CG9410W2V
                      PRODUCT ID : 2GM01AV
                      Attached Files

                      Comment

                      • peste
                        Super Moderator
                        • Dec 2016
                        • 13197
                        • ROMANIA

                        #71
                        Originally posted by andresi
                        hi, can you help to unlock?
                        i tried with RCU but still have password

                        HP 640 g4
                        SN: 5CG9410W2V
                        PRODUCT ID : 2GM01AV
                        use RCUnlocker..
                        Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:

                        >>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<

                        Every donation made will go towards server fees and maintenance costs.

                        Comment

                        • andresi
                          Senior Member
                          • Nov 2020
                          • 153
                          • INDONESIA

                          #72
                          Originally posted by peste

                          use RCUnlocker..
                          i already use rc unlocker but still have password

                          Comment

                          • Stefan Steff
                            Badcaps Veteran
                            • Mar 2024
                            • 310
                            • Romania

                            #73
                            Originally posted by andresi

                            i already use rc unlocker but still have password
                            Upload main bios dump

                            Comment

                            • victurko
                              New Member
                              • Aug 2022
                              • 1
                              • chile

                              #74

                              I have an HP 640 g4 that doesn't give an image, the charging light only blinks 6 times. Unfortunately, I don't have the original BIOS since it was recorded by someone else and they didn't save the original.
                              Serial Number : 5CG8284NB1
                              Product Number : 3WW24LT
                              Description : HP ProBook 640 G4 ​​
                              Here is the BIOS that the device had, I don't think it's the original.​
                              Attached Files

                              Comment

                              • rnauser
                                New Member
                                • Sep 2025
                                • 3
                                • Sweden

                                #75
                                Hi

                                I have two HP ProBook 640 G4 that i bought from an acution with IT equipments from companies that went out of business.
                                Bought laptops have BIOS/UEFI passwords that i havent been able to get from the now bankrupt company.

                                I can read and download the BIOS/UEFI from both the laptops and i done a checksum run on both of the so i know i get the same "bios/uefi" the both times.
                                Now to the problem, if i try to erase the current bios (AsProgrammer) it just stops, i tried to wait for 20min but nothin happens (no signs of the erease to be complete).

                                I get the text:
                                Current programmer: CH341
                                07:58:23
                                Possible protection is enabled. Press "Unprotect" and check datasheet
                                Erasing memory...
                                The process can take more than a minute on large flash!

                                Then nothing.

                                When i try to use the "unprotect" option i just get:
                                Current programmer: CH341
                                Old SREG: 11111111(0xFF)

                                Then nothing for 10-15min.


                                When i try to read the bios again I saw that all thjat data is "00" and not "FF" for empty or any other that would be some type of data.
                                Is it protected? If so how do i fix it?

                                What am I doing wrong?

                                Comment

                                • rnauser
                                  New Member
                                  • Sep 2025
                                  • 3
                                  • Sweden

                                  #76
                                  I tried NeoProgrammer and i think it was more successfull.
                                  I was able to dowload the bios to a bin.file and unlocked it with RCUnlocker v1.0, and got a successful notification.
                                  But still the same problem when try to write to the chip (an new .bin file without pw) i get the same error:
                                  CRC32 = 0x8E0CAAA2
                                  Current programmer: CH341a
                                  10:02:24
                                  Old protection Register: 11111111(0xFF),

                                  Then nothing happens.

                                  Here are the BIOS:

                                  Comment

                                  • SMDFlea
                                    Super Moderator
                                    • Jan 2018
                                    • 21446
                                    • UK

                                    #77
                                    Originally posted by rnauser
                                    I tried NeoProgrammer and i think it was more successfull.
                                    Here are the BIOS:
                                    Posts moved to 640 G4 bios request topic. Attach files directly to your post in a zip or rar and post the laptop serial number. Read the forum rules https://www.badcaps.net/forum/troubl...before-posting

                                    All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

                                    Comment

                                    • rnauser
                                      New Member
                                      • Sep 2025
                                      • 3
                                      • Sweden

                                      #78
                                      Originally posted by SMDFlea

                                      Posts moved to 640 G4 bios request topic. Attach files directly to your post in a zip or rar and post the laptop serial number. Read the forum rules https://www.badcaps.net/forum/troubl...before-posting
                                      Hj again

                                      Sorry for not reading the rules before posting.
                                      I also saw that i wrote G4, it should be a G3.

                                      Modell: HP ProBook 640 G3
                                      Serial: 5CG82626CP
                                      BIOS/UEFI-chip: Winbond 25Q128JV 3.3V

                                      BIOS/UEFI-files:


                                      Comment


                                      • peste
                                        peste commented
                                        Editing a comment
                                        post the bios here, not on other sites..

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