Asus Laptop

Asus UX303LN Disassembly and HDD, RAM, SSD Upgrade Options

In this guide, I’ll explain how to disassemble Asus UX303LN. I will remove the battery, wireless card, keyboard, palm rest, hard drive, heat sink, cooling fan, and motherboard.

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Remove all screws from the bottom case.

Pry up the bottom case with a pry bar, lift up the bottom case, and remove it.
There are no snaps securing the bottom case, so removing the case is pretty simple.

After removing the bottom case, you can access the battery, speakers, wireless card, hard drive, heat sink, and cooling fan.

Remove the screws securing the battery. Disconnect the battery power cable and two speaker cables.

The Asus UX303LN battery has been removed.

Asus UX303LN’s speaker module is fixed on the battery.

The Asus UX303LN comes with an 11.31v 50wh Li-polymer battery, and the Asus part number is C31N1339.

Remove all screws securing the hard drive module.

The Asus UX303LN featured a Seagate 500GB hard drive.

Asus UX303LN provides a spare mSATA slot for users to upgrade SSD.

Asus UX303LN wireless card

Asus UX303LN heat sink and cooling fan

The cooling fan is coming from SUNON.

Asus UX303LN motherboard and USB board

NVIDIA GeForce GT 840M graphics card with 2GB DDR3 video memory.

Intel Core i7-4510U processor (4M Cache, up to 3.10 GHz)

4GB SK Hynix RAM is soldering on the motherboard.
Asus UX303LN also has a spare RAM slot, so you can add another 4GB RAM.

When the motherboard is removed, you can access the touchpad and keyboard.

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23 Comments

  1. I can’t open the bottom case. Could you give me any help? I removed the screws, but the bottom doesn’t move away from the side of the screen. 🙁

    1. I had the same problem, and it is a quality issue. I sent it to be repaired, but they could not do it and gave the entire money back for the laptop. It is a beautiful laptop but has terrible quality at the hinge.

  2. Hi, everyone. Have you tried to replace the whole keyboard? If so, can you give me a hint? Because you open the laptop and disassemble the screws, it is not easy to divide the keyboard from the metal.

      1. EDIT: In fact, you can’t. The keyboard is soldered to the case.

        If you want to repair your keyboard, you need to buy a whole new palmrest and keyboard.

  3. How do I open the hinge cover to replace the hinge (the silver strip that is still left on when you take off the bottom cover)? The hinge broke, and it’s no longer under warranty.

    1. Thanks. I looked through all the pages, but there are no specific instructions on how to open the small cover over the hinge.

      It says Visit our repair blog to learn how to remove and install the LCD hinge on Asus UX303LN, but there are no instructions specifically for hinge replacement.

      To replace the battery, all you need to do is take off the bottom cover. But for the hinge, even after you take off the bottom cover, there’s still another small cover over the hinge. And this small cover doesn’t have any screws to remove.

  4. Hello, UX303L’s owners,
    There is now an unpleasant mark on the screen.
    It is located in the middle of the screen (6.7 cm top, 10cm edge). It’s 0.5cm high and 9cm wide. It’s as if something had worn the screen. This is probably due to friction with the keyboard.
    I contacted Asus support, but they did not want to know.
    Do other people have the same problem?
    Thanks

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