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In this Dell laptop tutorial we are going to show you how to install and replace the CPU Processor on your Dell Inspiron N5040 / N5050 / M5040 laptop. These installation instructions have be made into 10 easy to follow printable steps. We have also create a video tutorial that shows you how to install your Dell Inspiron N5040 / N5050 / M5040 CPU Processor.
Before you begin
Please take the time read the following safety guidelines when working on static sensitive electrical components.
Dell repair manual service precautions
Tools needed for this laptop repair
- 1 x small phillips head screwdriver
- 1 x small flat head screwdriver
- 1 x small plastic scribe
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Video tutorial repair manual
Installation and Removal Instructions
Dell Inspiron N5040 / N5050 / M5040 CPU Processor
Step 1
- Slide the locking latch over.
- Slide the battery latch to the left and the battery out.
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Step 2
- Remove the 2 hard drive screws.
- Remove the 11 bottom palmrest screws.
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Step 3
- Turn the laptop over and open it up.
- Press in the 4 keyboard clips to loosen the keyboard.
Step 4
- Carefully lift the keyboard and turn it over.
- Unplug the keyboard cable.
Step 5
- Loosen the 2 top palmrest screws. You will not be able to remove them completely.
Step 6
- Unplug the 2 palmrest cables.
- Carefully unsnap and lift off the palmrest.
Step 7
- Unplug the fan cable.
- Unplug the LCD cable.
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Step 8
- Loosen the 4 heatsink screws.
- Carefully lift the heatsink fan off of the motherboard.
Step 9
- Turn the CPU Locking screw counterclockwise approximately 180 degrees, or until the CPU is loose.
- Remove the CPU.
Step 10
- Installation note 1: Make sure to replace thermal compound or thermal pads on the CPU and heatsink.
- Installation note 2: Tighten the heatsink screws in the order listed on the heatsink.
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Eligible for $5.00 Economy Shipping. Only 1 left in stock - order soon.
Eligible for $5.00 Economy Shipping. Only 18 left in stock - order soon.
Eligible for $5.00 Economy Shipping. Only 4 left in stock - order soon. DIY Discount - Parts-People.com offers 5% off to all DO-IT-YOURSELFERS!
Use this coupon code to save 5% off these parts DIYM514
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I have an M5040 and I have a problem — there is no CPU locking screw or any clear indication on how to remove the CPU.
I have an Inspiron 15 N5050 and I am trying to upgrade the CPU. The 4th heatsink screw has been giving me some trouble and I can’t get it off with a screwdriver. I would pry it out but I don’t want to break something on the motherboard. Any tips for getting it off?
You have to use a lot of downward pressure, so the screwdriver doesn’t slip, and hope for the best. It’s not often that something actually breaks when trying to loosen a screw. Just make sure the screwdriver doesn’t slip.