Samsung NP750XGK Repair Manual
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Samsung NP750XGK Repair Manual

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REPAIR GUIDE
NP750XGK
NP750XGL
English. Rev.1.0
www.samsung.com

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Khan
February 12, 2025

Do you provide hinge cover replacement? NP750XGK-KG2UK model hinge cover is broken

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Summary of Contents for Samsung NP750XGK

  • Page 1 REPAIR GUIDE NP750XGK NP750XGL English. Rev.1.0 www.samsung.com...

  • Page 2: Table Of Contents

    Instructional Icons Software Update Samsung Update Samsung Recovery Windows recovery feature Q&A User Test Samsung PC Diagnostics Exploded View and Parts List Exploded View Parts List Disassembly and Assembly Tools for Disassembly and Assembly Case Rear Remove 23 Battery Remove...
  • Page 3 Table of Contents 32 SSD Module Remove 33 Fan Remove 34 Main PBA and Sub PBA Remove 36 Display Remove 38 Fingerprint Sensor Remove 40 Touchpad Remove 42 Touchpad Assembly 45 Fingerprint Sensor Assembly Display Assembly 50 Main PBA Assembly Sub PBA Assembly 53 Fan Assembly 54 SSD Module Assembly...

  • Page 4: Usage Notices

    Precautions for Repair Samsung is not liable for any damage or defect determined to be caused by repair by a non-authorized carrier, self repair or non-professional repair of the device. Samsung...

  • Page 5: Esd (Electrostatic Discharge) Precautions

    During assembly, check if there are any abnormalities before reattaching the Case • rear, and be careful not to damage the battery by hitting or denting it. If the battery is damaged, visit a Samsung Service Center. Before repairing your device, make sure its battery is fully discharged. •...

  • Page 6: Software Update

    Software Update Software Update Samsung Update Install and update Samsung apps and drivers on the computer. You can search for or download the BIOS, drivers, and apps over the internet. Keep the computer performing better and more stably with Samsung Update.

  • Page 7: Samsung Recovery

    Back up important data regularly before a problem occurs with the computer. The Samsung Recovery app may not be provided in models with less than 64 GB • of storage. If you cannot access the Samsung Recovery app, refer to Windows recovery feature.
  • Page 8 You can back up the factory default system or current system to an alternate internal drive or an external storage device. Select the Start button ( ) r All apps r Samsung Recovery r Back up computer. Select a drive to save the backed up data and select Start backup.
  • Page 9 Software Update Backing up user data You can back up data files and folders. Turn on the computer and press the F4 key several times before the Samsung logo appears. Select Back up user data. Select the files or folders to back up and choose a storage device to save the data to and then select Next r Start backup.
  • Page 10 Connect the new drive to the computer with an external hard drive connector. Select the Start button ( ) r All apps r Samsung Recovery. Select Create a factory state disk or Create a disk copy.

  • Page 11: Windows Recovery Feature

    Select the Start button ( ) r Settings r System r Recovery. Select Reset PC. Select Keep my files or Remove everything. After the system is recovered, select the Start button ( ) r All apps r Samsung Update to install the required Samsung apps. Q&A When experiencing problems with the computer, try these solutions.
  • Page 12 When recording protect mode is activated, the camera and microphone will not work. Select the Start button ( ) r All apps r Samsung Settings r Security and privacy and select the Block camera and mic switch to set it Off.

  • Page 13: User Test

    This app provides the diagnostic features to help you to quickly test the hardware components of Samsung PCs and easily check hardware issues. Your PC must run the default OS which is provided by Samsung PC. • Images and features may differ depending on the model and the app version.
  • Page 14 User Test Follow the on-screen instructions to proceed with the test. Some parts of test run automatically but some parts require your interaction. • The test screen and its method may vary depending on the diagnostic items. • There may be a problem with the system if you force stop the test while the test •...

  • Page 15: Exploded View And Parts List

    Exploded View and Parts List Exploded View and Parts List Exploded View NP750XGK:...
  • Page 16 Exploded View and Parts List z NP750XGL:...

  • Page 17: Parts List

    Exploded View and Parts List Parts List NP750XGK: Number Name B0001 Case Rear B0009 Rubber Down B0010 Rubber Up B0203 RJ45 COVER B2024 RJ45 SPRING I0005 I0009 Battery K9000 Display M0008 Sub PBA M3000 M3005 Heatsink M4004 Main to Sub Cable...
  • Page 18 Exploded View and Parts List z NP750XGL: Number Name B0001 Case Rear B0009 Rubber Down B0010 Rubber Up B0203 RJ45 COVER B2024 RJ45 SPRING I0005 I0009 Battery K9000 Display M0008 Sub PBA M3000 M3005 Heatsink M4004 Main to Sub Cable T0001 Case Front T0101...

  • Page 19: Disassembly And Assembly

    Disassembly and Assembly Disassembly and Assembly Tools for Disassembly and Assembly When repairing computers, you absolutely must wear protective equipment for your safety. Tool & Part Code Image Description Prevents accidents during repair Safety Goggles (protective equipment) Safety Gloves (ESD Prevents accidents during repair safe, cut-resistant) (protective equipment)
  • Page 20 Disassembly and Assembly Tool & Part Code Image Description Tool for disassembling the Case rear and other parts For separable handle suction Suction Cup cups, be careful not to injure yourself as the handle can be parted during use. Tool for handling connectors, cables, and other parts Because it is possible to damage parts or components...

  • Page 21: Case Rear Remove

    Disassembly and Assembly Case Rear Remove Be sure to remove the Case rear while the computer is secured on a flat surface. • It is possible to damage parts or components when using sharp metal tools. • Using the opening tool, remove the 4 rubber feet on the Case rear. If you are going to use tweezers, use tweezers made out of plastic or rubber because it is possible to damage parts or components when using sharp metal tweezers.
  • Page 22 Disassembly and Assembly After attaching the suction cup on location number 1 of the Case rear, lift the suction cup upwards while separating the Case rear with the opening tool. For separable handle suction cups, be careful not to injure yourself as the handle can be parted during use.

  • Page 23: Battery Remove

    Disassembly and Assembly Battery Remove Using the tweezers, lift up and remove the battery connector. Be careful not to damage the near components. • Be careful not to damage the battery connector when separating it with a sharp • tool.
  • Page 24 Disassembly and Assembly Using a cross-head screwdriver, remove the 4 screws on the battery, lift up the battery, and then remove it. Be careful not to damage the battery. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.

  • Page 25: Speaker Remove

    Disassembly and Assembly Speaker Remove Disconnect the left and right speaker jacks from the speaker connectors. Left Right Lift up the left and right speaker and remove them. Be careful not to damage the orange rubber. Left Right After you finish disassembling, refer to Speaker Assembly for how to reassemble.

  • Page 26: Main To Sub Cable Remove

    Disassembly and Assembly Main to Sub Cable Remove Using the tweezers, open the connector lever of the main PBA and remove the Main to Sub cable. Be careful not to break the connector when removing it. Using the tweezers, open the connector lever of the sub PBA and remove the Main to Sub cable.

  • Page 27: Wi-Fi Connector And Cable Remove

    Disassembly and Assembly Wi-Fi Connector and Cable Remove Using the tweezers, hold the Wi-Fi cable connector head, pull over to 90°, and then remove the 2 Wi-Fi cables. (Main/Aux) Be careful not to damage the connector when removing it. • With the tweezers, hold the metal part of the antenna, not the cable, and lift it •...
  • Page 28 Disassembly and Assembly Pull the fan connector horizontally to separate it. Be careful not to damage the near components. Using the opening tool, open the lever of each connector and then remove all cables and FPCs connected to the main PBA and sub PBA using the tweezers. Be careful not to break the connector levers when opening up.
  • Page 29 Disassembly and Assembly Open the display connector lever while holding the insulator handle with your fingers. Lift up the display connector cable and pull out the display cable connector while holding the insulator handle. Be careful not to damage the near components. Display Using the tweezers, remove the yellow kapton tape from the upper side touchpad connector.
  • Page 30 Disassembly and Assembly Using the tweezers, open the touchpad connector lever and disconnect the touchpad cable from the connector. Using the tweezers, remove the yellow kapton tape from the lower side touchpad connector. Set aside the yellow kapton tape for later use during the assembly process.
  • Page 31 Disassembly and Assembly Using the tweezers, open the touchpad connector lever and disconnect the touchpad cable from the connector. After you finish disassembling, refer to Wi-Fi Connector and Cable Assembly how to reassemble.

  • Page 32: Ssd Module Remove

    Disassembly and Assembly SSD Module Remove Using a cross-head screwdriver, remove the screw located on the SSD, and then pull the SSD horizontally out of the SSD socket to separate it. The SSD screw is different from other screws. Keep it separately. Remove the second SSD using the same method if there is the second SSD on •...

  • Page 33: Fan Remove

    Disassembly and Assembly Fan Remove Using a cross-head screwdriver, remove the 3 screws on the fan, lift it up, and then remove the fan. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.

  • Page 34: Main Pba And Sub Pba Remove

    Disassembly and Assembly Main PBA and Sub PBA Remove Using a cross-head screwdriver, remove the 2 screws on the sub PBA. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.
  • Page 35 Disassembly and Assembly Using a cross-head screwdriver, remove the 8 screws on the main PBA. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.

  • Page 36: Display Remove

    Disassembly and Assembly Display Remove Using a cross-head screwdriver, remove the 5 screws on the left and right hinges. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.
  • Page 37 Disassembly and Assembly Remove the display by lifting it from the Case front. Be careful not to damage the near components. After you finish disassembling, refer to Display Assembly for how to reassemble.

  • Page 38: Fingerprint Sensor Remove

    Disassembly and Assembly Fingerprint Sensor Remove Using the tweezers, lift up the insulator until the fingerprint sensor bracket appears. Be careful not to damage the near components. Using a cross-head screwdriver, remove the screw on the fingerprint sensor module. Be careful not to damage the near components. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.
  • Page 39 Disassembly and Assembly Using the tweezers, lift the fingerprint sensor bracket and remove it. Be careful not to damage the near components. Using the tweezers, remove the fingerprint sensor module from the Case front. After you finish disassembling, refer to Fingerprint Sensor Assembly for how to reassemble.

  • Page 40: Touchpad Remove

    Disassembly and Assembly Touchpad Remove Using the tweezers, remove the conductive tape from the touchpad. Set aside the conductive tape for later use during the assembly process. Using the tweezers and your fingers, lift up the insulator gently. As the insulator can be damaged by excessive force, be careful not to damage the insulator.
  • Page 41 Disassembly and Assembly Using a cross-head screwdriver, remove the 3 screws on the touchpad. Check the number of screws that have been removed, and store them carefully to make sure that no unassembled screws are left inside the computer during assembly.
  • Page 42 Disassembly and Assembly Touchpad Assembly Leaving screws inside the computer may damage internal components, such as the battery. When assembling, be extra careful not to leave any unassembled screws inside the computer. Prepare the touchpad. The brackets of the touchpad should be located on the bottom.
  • Page 43 Disassembly and Assembly Place the touchpad to the Case front. Assemble the bracket on the bottom of the touchpad to the 2 hooks on the Case front. Check the lower hooks of touchpad are assembled well to the Case front. If they are incorrectly connected, the hooks may lift.

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Np750xgl

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