From this article, you will know how to remove/replace the battery, hard drive, RAM, wireless card, keyboard, fan and motherboard of Dell Inspiron 17 7737 notebook, refer to this guide, you can upgrade, repair and clean the fan for your Inspiron 17 7737.
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First photos of the front and back of the laptop.
Remove the two screws to remove the back cover. You can see the battery and the hard drive.
Remove the screws fixing the battery and the hard drive to remove them, to remove the hard drive. You also need to disconnect the connector.
Unscrew the screw to remove the memory access door.
Unscrew the screw next to the RAM module slot and then pull out the DVD drive.
A photo of the removed DVD drive
Remove the two RAM modules.
Then remove all screws you can see on the D panel.
Turn to the front side, press the only keyboard clip, turn over the keyboard, disconnect the cable to remove the keyboard.
Disconnect the cables on C panel.
Now turn to the bottom to remove the D panel.
The two speakers
Dell Inspiron 17 7737 fan and heat sink assembly
Dell Inspiron 17 7737 USB interfaces
Unplug the two wireless antennas and remove the fixing screw to remove the wireless card.
Disconnect the connectors on the motherboard, and remove the screws fixing it (if there are screws), and then you can take out the motherboard.
A photo of the remaining laptop
Unplug the fan cable and remove the screws fixing the heat sink, you can remove the fan and heat sink assembly.
The remaining motherboard
Finally, a photo of all the parts together