Difficulty
Moderate
Steps
9
Time Required
20 minutes
Sections
2
- Battery
- 6 steps
- CPU Heatsink
- 3 steps
Flags
0
BackToshiba Satellite L55W-C5256
Full Screen
Options
History
Save to Favorites
Download PDF
Edit
Translate
Get Shareable Link
Embed This Guide
Notify Me of Changes
Stop Notifications
Introduction
- Your device is continually overheating or running hotYour device powers down or blue screens due to CPU overheat
Before beginning this replacement guide, it is recommended that you use an anti-static work mat and that you ground yourself using an anti-static wrist strap. This helps to protect your device from damage caused by static discharge. If you do not have these materials, you can find an anti-static wrist strap here, and an anti-static work mat here. To learn how to properly use an anti-static wrist strap and an anti-static work mat (recommended), see the guide found here.
What you need
Step 1
Battery
- Before beginning this repair, power off your device and unplug all cables and accessory devices.
- Flip the laptop over so that the model numbers are facing the ceiling.
Before beginning this repair, power off your device and unplug all cables and accessory devices.
Flip the laptop over so that the model numbers are facing the ceiling.
1024
Step 2
- Use a Phillips #00 screwdriver to remove the 10 screws that secure the back cover to the device.
Use a Phillips #00 screwdriver to remove the 10 screws that secure the back cover to the device.
Step 3
- Gently use an iFixit opening tool to separate the back cover from the laptop. Go around all edges until plastic clips are completely free.
- Ensure all plastic clips have been freed. Attempting to forcefully remove the back cover could result in damage to your device.
Gently use an iFixit opening tool to separate the back cover from the laptop. Go around all edges until plastic clips are completely free.
Ensure all plastic clips have been freed. Attempting to forcefully remove the back cover could result in damage to your device.
Step 4
- Before touching any component inside your device, ensure you are properly grounded with an anti-static band.
- Disconnect the battery connector cable from the motherboard.
Before touching any component inside your device, ensure you are properly grounded with an anti-static band.
Disconnect the battery connector cable from the motherboard.
Step 5
- Using a Phillip’s #00 screwdriver, remove the four 7.0 mm screws that secure the battery to the motherboard.
Using a Phillip’s #00 screwdriver, remove the four 7.0 mm screws that secure the battery to the motherboard.
Step 6
- Lift the battery from the motherboard.
Lift the battery from the motherboard.
Step 7
CPU Heatsink
- Using a Phillips #00 screw driver, remove the four 7.0 mm screws that secure the heat sink to the CPU.
Using a Phillips #00 screw driver, remove the four 7.0 mm screws that secure the heat sink to the CPU.
Step 8
- Using a Phillips #00 screw driver, remove the two 7.0 mm screws that secure the heat sink fan to the motherboard.
Using a Phillips #00 screw driver, remove the two 7.0 mm screws that secure the heat sink fan to the motherboard.
Step 9
- Before you touch any component inside your device, ensure you are properly grounded with an anti-static band.
- Gently lift the heat sink from the motherboard, making sure not to apply much tension to the connector cable.
- Using your thumb and forefinger, gently unplug the connector cable from the motherboard.
- Lift the heat sink from the motherboard.
- If you need to replace the heat sink, check out this thermal paste guide that will walk you through the steps necessary to replace the thermal compound.
Before you touch any component inside your device, ensure you are properly grounded with an anti-static band.
Gently lift the heat sink from the motherboard, making sure not to apply much tension to the connector cable.
Using your thumb and forefinger, gently unplug the connector cable from the motherboard.
Lift the heat sink from the motherboard.
If you need to replace the heat sink, check out this thermal paste guide that will walk you through the steps necessary to replace the thermal compound.
To reassemble your device, follow these instructions in reverse order.
Cancel: I did not complete this guide.
One other person completed this guide.
Author
with 2 other contributors
Jennifer
Member since: 09/23/2019
777 Reputation
5 Guides authored
Badges:
8
+5 more badges
Team
Western Carolina University, Team S1-G5, Virtue Fall 2019
Member of Western Carolina University, Team S1-G5, Virtue Fall 2019
WCU-VIRTUE-F19S1G5
4 Members
5 Guides authored
