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HP 15-ac121dx Motherboard Replacement

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This guide will teach you how to replace the motherboard, which contains the USB ports. You will need plastic prying tools and a Phillips J001 screw driver.

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  1. HP 15-ac121dx Motherboard Replacement, Battery: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove all external devices from the computer.

    • Remove the charging cord from the computer.

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    • Turn off the computer by holding the power button.

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  3. HP 15-ac121dx Motherboard Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 HP 15-ac121dx Motherboard Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • To remove the battery, slide the left slider on the back to the unlocked position.

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    • Push the right slider inwards.

    • Remove the battery out by pulling straight out and to the right.

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  5. HP 15-ac121dx Motherboard Replacement, Back Panel: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, Back Panel: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, Back Panel: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Locate the CD Compartment panel and gently slide it out.

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  7. HP 15-ac121dx Motherboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the back of the laptop by unscrewing the screws shown.

    • Also remove the other 5 Phillips screws lining the back cover.

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    • Using the prying tool, wedge it underneath the back of the laptop and do the same all around until the back comes off.

    • Dont forget to unscrew 2 screws under 2 plastic tabs (one on each hing). The lid will not come off without them being removed!

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  9. HP 15-ac121dx Motherboard Replacement, Fan: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, Fan: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, Fan: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Locate the Fan as shown.

    • Pull out the black cable, with four wires attached from its port.

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    • Pull out the white cable wire from its port.

    • Unscrew the two black Phillips screws holding in the fan.

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    • Remove fan.

    • Unscrew the two screws holding in the fan.

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  12. HP 15-ac121dx Motherboard Replacement, CD Compartment: crwdns2935265:011crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, CD Compartment: crwdns2935265:011crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 HP 15-ac121dx Motherboard Replacement, CD Compartment: crwdns2935265:011crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Locate the CD Compartment as shown and gently slide it out.

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  13. HP 15-ac121dx Motherboard Replacement, Motherboard: crwdns2935265:012crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the TEN 3mm screws.

    • Remove the ONE 9mm screw.

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    • Locate the four ribbon clips.

    • Lift the grey part of the ribbon clips.

    • Pull the ribbon cable out and repeat this step for all four ribbon cables.

    • Also use a spudger and release the TWO cables attaching the hard drive to the motherboard. Another ribbon cable is located where the fan was sitting.

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  15. HP 15-ac121dx Motherboard Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 HP 15-ac121dx Motherboard Replacement: crwdns2935265:014crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pull out the white cable (contains red and white cable attached to a black support) with wires from its port.

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  16. HP 15-ac121dx Motherboard Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the motherboard.

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

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Baylor, Team S1-G2, Johnson Spring 2018 crwdns2935289:0Baylor, Team S1-G2, Johnson Spring 2018crwdne2935289:0

BU-JOHNSON-S18S1G2

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Pls can the motherboard of HP - 15 ac-250g5 replacethe board of HP 15 ac-121dx since they have the same body structure.

Emeka Jeffrey - crwdns2934203:0crwdne2934203:0

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