Dell Latitude E5420 Thermal Paste Replacement

ID: 220737

Description: This guide will show you how to open the laptop...

Steps:

1. Unscrew all screws holding the center back panel in place.
2. Remove the battery.
3. Unscrew the 1 screw that holds the right back panel and remove it.
4. Unscrew the 4 screws holding the CPU heatsink.

5. Clean the old thermal paste from both the cooler and the CPU.
6. Use isopropyl alcohol and cotton swabs or paper towel, but be careful not to press too hard on the CPU.
7. It's also recommended to use compressed air to remove any dust in the laptop and the fan.
8. Use only enough thermal paste to cover a portion of the pad. Use a spreader if you have one.
9. The thermal paste will apply evenly after you tighten the heatsink.
10. You can replace the thermal pad as well it if is in bad condition.
11. Here you can upgrade the CPU if you want.
12. Place the heatsink back into the unit carefully and tighten the screws in an "X" pattern to ensure even pressure. Don't forget to plug in the fan cable.

13. Once you have the back cover opened, it is a good opportunity to upgrade the SSD and RAM.