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Introduction

This guide covers how to replace the battery for the Samsung Series 5 NP540U3C-A02UB.

The battery provides constant power to the device. This gives the laptop its portability and makes it possible to use the device without being plugged into a wall outlet for long periods of time. The battery may need to be replaced if the device appears to be overheating or has a short battery life. If the device exhibits these symptoms, see our troubleshooting guide for possible causes before attempting to replace the battery.

The Samsung Series 5 NP540U3C-A02UB uses a 7.4 V rechargeable Lithium Polymer battery. Ensure that such a battery is chosen before attempting a replacement. A compatible battery is provided below.

  1. Samsung NP540U3C-A02UB Battery Replacement, Hard Drive: step 1, image 1 of 1
    • Turn off the laptop before beginning disassembly and unplug it from the power cord.

    • Place the laptop flat with its bottom facing up.

  2. Samsung NP540U3C-A02UB Battery Replacement: step 2, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 2, image 2 of 2
    • Remove one 4 mm Phillips #00 screw labeled "HDD Memory".

  3. Samsung NP540U3C-A02UB Battery Replacement: step 3, image 1 of 3 Samsung NP540U3C-A02UB Battery Replacement: step 3, image 2 of 3 Samsung NP540U3C-A02UB Battery Replacement: step 3, image 3 of 3
    • Gently release the 3 clips holding the HDD cover with the plastic opening tool.

    • Remove the HDD cover from the device.

  4. Samsung NP540U3C-A02UB Battery Replacement: step 4, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 4, image 2 of 2
    • Remove the four 6 mm Phillips #00 screws attaching the hard drive to the case.

  5. Samsung NP540U3C-A02UB Battery Replacement: step 5, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 5, image 2 of 2
    • Using the plastic opening tool, push the hard drive connector clip upwards in order to release the cable.

  6. Samsung NP540U3C-A02UB Battery Replacement: step 6, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 6, image 2 of 2
    • Remove the hard drive from the case.

  7. Samsung NP540U3C-A02UB Battery Replacement, Battery: step 7, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement, Battery: step 7, image 2 of 2
    • Remove the following screws holding the case together:

    • 6x 4mm Phillips #00 screws.

    • 3x 6mm Phillips #00 screws.

  8. Samsung NP540U3C-A02UB Battery Replacement: step 8, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 8, image 2 of 2
    • Using the opening tool, remove the two rubber pads just above the hard drive cover.

  9. Samsung NP540U3C-A02UB Battery Replacement: step 9, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 9, image 2 of 2
    • Remove the 2x 4mm Phillips #00 screws formerly concealed by the pads.

  10. Samsung NP540U3C-A02UB Battery Replacement: step 10, image 1 of 1
    • Using the plastic opening tool, gently lift and remove the back cover.

    • There are clips along the edges of the back cover that hold it in place. Be careful not to break these.

  11. Samsung NP540U3C-A02UB Battery Replacement: step 11, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 11, image 2 of 2
    • Using your hands or the plastic opening tool, gently remove the tape holding the wires in place.

  12. Samsung NP540U3C-A02UB Battery Replacement: step 12, image 1 of 3 Samsung NP540U3C-A02UB Battery Replacement: step 12, image 2 of 3 Samsung NP540U3C-A02UB Battery Replacement: step 12, image 3 of 3
    • Remove the 4x 4mm Phillips #00 screws securing the battery to the chassis.

  13. Samsung NP540U3C-A02UB Battery Replacement: step 13, image 1 of 2 Samsung NP540U3C-A02UB Battery Replacement: step 13, image 2 of 2
    • Using the plastic opening tool, gently pull the battery connector towards the battery to disconnect it.

  14. Samsung NP540U3C-A02UB Battery Replacement: step 14, image 1 of 1
    • Remove the battery from the laptop.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Alejandro

Member since: 03/28/2022

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