Lenovo ThinkPad E555 (English) Hardware Maintenance Manual - Page 84

Graphics Processing Unit GPU, Accelerated Processing Unit APU

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For access, remove these FRUs in order: • "1020 Battery pack" on page 66 • "1030 Large bottom cover" on page 67 • "1040 Small bottom cover" on page 68 • "1050 Optical drive or optical-drive bay bezel" on page 69 • "1060 Memory module" on page 70 • "1070 Hard disk drive assembly or solid-state drive assembly" on page 70 • "1080 Wireless LAN card" on page 72 • "1090 Coin-cell battery" on page 73 • "1110 Keyboard" on page 73 • "1120 Keyboard bezel assembly" on page 75 Removal steps of the system board assembly Note: The system board of the computer that you are servicing might be different from the one in the following illustrations. Attention: The following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling. a Accelerated Processing Unit (APU) b Fusion Controller Hub (FCH) c Graphics Processing Unit (GPU) For models with a discrete thermal module b c a For models with an integrated thermal module b a 78 Hardware Maintenance Manual

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For access, remove these FRUs in order:
• “1020 Battery pack” on page 66
• “1030 Large bottom cover” on page 67
• “1040 Small bottom cover” on page 68
• “1050 Optical drive or optical-drive bay bezel” on page 69
• “1060 Memory module” on page 70
• “1070 Hard disk drive assembly or solid-state drive assembly” on page 70
• “1080 Wireless LAN card” on page 72
• “1090 Coin-cell battery” on page 73
• “1110 Keyboard” on page 73
• “1120 Keyboard bezel assembly” on page 75
Removal steps of the system board assembly
Note:
The system board of the computer that you are servicing might be different from the one in the
following illustrations.
Attention:
The following components soldered on the top side of the system board are extremely sensitive.
When you service the system board, avoid any kind of rough handling.
a
Accelerated Processing Unit (APU)
b
Fusion Controller Hub (FCH)
c
Graphics Processing Unit (GPU)
For models with a discrete thermal module
c
b
a
For models with an integrated thermal module
b
a
78
Hardware Maintenance Manual