Installing Dell Inspiron 1525 Motherboard

Replace the motherboard in a Dell Inspiron 1525.

  • Add Note x

Use this guide to help you replace the motherboard in a Dell Inspiron 1525.

Sections
Sections (continued)
Tools
Relevant parts
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Add Note Edit Step 1 — Battery  ¶ 

  • Locate the battery release switch on the bottom of the laptop.

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Add Note Edit Step 2  ¶ 

  • Slide the battery release switch away from the lock symbol until you hear the battery click.

  • Slide the battery towards the back of the laptop until it comes free.

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Add Note Edit Step 3  ¶ 

  • Remove the cover that has the heatsink by unscrewing 9 screws highlighted in red

  • These screws are all captive except the screw with a lock by it

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Add Note Edit Step 4 — Central Control Cover  ¶ 

  • Remove the two 4.00 mm Phillips #1 screws from the battery tray.

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Add Note Edit Step 5  ¶ 

  • Insert the flat end of a spudger into the slot on the right side of the central control cover and pry it up.

  • Carefully pull the central control cover up along its edges.

    • Do not attempt to completely remove the cover, as it is still attached via a ribbon cable.

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Add Note Edit Step 6  ¶ 

  • Peel back the silver tape securing the ribbon cable to the cover.

  • Pull the small brown latch on the ribbon cable connector out.

  • Disconnect the ribbon cable to completely free the central control cover.

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Add Note Edit Step 7 — Keyboard  ¶ 

  • Remove the two 5.75 mm Phillips #1 screws securing the keyboard to the laptop.

  • Gently slide the keyboard towards the display until the tabs on its front side are free.

    • Do not force the keyboard too far forward or attempt to remove it yet, as there is still a ribbon cable connected to it.

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Add Note Edit Step 8  ¶ 

  • Use a spudger to gently lift the ribbon cable retaining flap.

  • Disconnect the ribbon cable.

  • Shift the keyboard sideways enough to free one side from it's retaining tab. Then lift the keyboard away from the laptop.

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Add Note Edit Step 9 — Hard Drive  ¶ 

  • Remove the two 3.60 mm #1 Phillips screws securing the hard drive and hard drive tray.

  • Slide the hard drive and hard drive tray out of the laptop.

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Add Note Edit Step 10 — Optical Drive  ¶ 

  • Remove the 5.75 mm #1 Phillips screw securing the optical drive.

  • Pull the optical drive straight from the laptop.

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Add Note Edit Step 11 — Bottom Cover  ¶ 

  • Remove the eight 4.80 mm Phillips #1 screws securing the bottom panel.

  • Remove the bottom panel.

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Add Note Edit Step 12 — Display Assembly  ¶ 

  • Disconnect the five antennas from their respective cards.

  • De-route the antennas from their routing retainers.

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Add Note Edit Step 13  ¶ 

  • Remove the two 5.70 mm Phillips #1 screws securing the display assembly to the bottom case half.

    • The screw holes will be denoted by an embossed "D" by the hole.

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Add Note Edit Step 14  ¶ 

  • Use the flat end of a spudger to push the camera connector out of its socket. Alternate pushing on either side to evenly remove the connector.

  • Carefully release the connector from its retaining tabs.

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Add Note Edit Step 15  ¶ 

  • Push the antenna wires up through their hole in the bottom case half.

  • Release the antennas from their retaining tabs on the upper case.

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Add Note Edit Step 16  ¶ 

  • Disconnect the flat LCD ribbon cable by pulling it up by its flap.

  • Free the ribbon cable from its retaining clips.

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Add Note Edit Step 17  ¶ 

  • Remove the four 3.45 mm Phillips #1 screws securing the display assembly to the laptop chassis.

    • Support the display assembly as you remove these screws to prevent damage to the screw and hole threads.

  • Remove the display assembly from the laptop.

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Add Note Edit Step 18 — Upper Case  ¶ 

  • Remove the nine 5.75 mm Phillips #1 screws on the bottom side of the laptop.

  • Remove the two 5.70 mm Phillips #1 screws on the top side of the laptop.

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Add Note Edit Step 19  ¶ 

  • Use a spudger to pull the touch pad connector latch towards the ribbon cable.

  • Pull the ribbon cable out of the connector.

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Add Note Edit Step 20  ¶ 

  • Use a spudger to pull the device status LED connector latch towards the ribbon cable.

  • Disconnect the device status LED ribbon cable.

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Add Note Edit Step 21  ¶ 

  • Release the ribbon cable in the upper left corner of the laptop from its retaining tabs.

  • Use a spudger to unplug the speaker connector at the top center of the laptop.

  • De-route the speaker wires from their retaining tabs.

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Add Note Edit Step 22  ¶ 

  • Use the flat end of a spudger to begin lifting the upper case at its front edge.

  • Lift the front edge of the case up until it comes free.

    • Work slowly and be sure not to get any cables caught in the upper case holes and guides.

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Add Note Edit Step 23 — ExpressCard Cage  ¶ 

  • Eject your ExpressCard or ExpressCard dust shield if you want to transfer it to the new ExpressCard cage. Eject the card by pressing it in until it clicks, releasing it, then sliding it out.

  • Remove the 3.80 mm Phillips #1 screw securing the ExpressCard cage.

  • Remove the two 3.70 mm Phillips #1 screws securing the ExpressCard cage.

  • Lift the ExpressCard cage out of its connector.

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Add Note Edit Step 24 — Heat Sink  ¶ 

  • Loosen the five #1 Phillips screws securing the heat sink and clean it with compressed air

    • These screws are attached to the heat sink assembly.

  • Gently lift the heat sink from side indicated in the picture.

    • The heat sink may feel like it is glued to the chips because of the thermal paste. Gently wiggle the heat sink back and forth to help break it free.

  • Be sure to thoroughly clean off the old thermal paste and apply new thermal paste before reinstalling the heat sink. Follow our thermal paste application guide for detailed instructions.

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Add Note Edit Step 25  ¶ 

  • Now to clean the internal fan in the computer if nessacary

  • To do this, spray canned air into the fan by putting the straw into the holes on the case and blow it out

  • Expect to pay a fair and/or a ID for canned air because kids get high off of it, unless you find a place there it is cheap and does not ID

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Add Note Edit Step 26 — CPU  ¶ 

  • Use a small flathead screwdriver to turn the ZIF-socket cam screw counterclockwise until it can't be turned anymore.

  • Lift the CPU out of its socket, being careful not to bend its pins.

    • Processor orientation can be determined by matching the corner of the processor with a small triangle to the corner of the pink module with a small triangle.

  • Don't forget to apply thermal paste to the new processor. Also clean and apply fresh thermal paste to the video processor. Follow our thermal paste application guide for detailed instructions.

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Add Note Edit Step 27 — Motherboard  ¶ 

  • Use a spudger to push the retaining latch of the central control button connector towards its cable.

  • Pull the cable out of the connector.

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Add Note Edit Step 28  ¶ 

  • Pull the retaining latch for the wireless sniffer cable out.

  • Remove the cable from the connector.

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Add Note Edit Step 29  ¶ 

  • Disconnect the fan cable connector by pulling it towards the fan with a spudger.

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Add Note Edit Step 30  ¶ 

  • Remove the four 3.70 mm Phillips #1 screws securing the motherboard to the lower case.

  • Gently peel the front bezel off.

  • Lift the motherboard out of the lower case.

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

For more information, check out the Dell Inspiron 1525 device page.

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