Lenovo ThinkPad Edge E545 Maintenance Manual page 86

• "1020 Large bottom cover" on page 62
• "1030 Small bottom cover" on page 63
• "1040 Optical drive or blank bezel" on page 64
• "1050 Memory modules" on page 65
• "1060 Hard disk drive assembly" on page 66
• "1070 PCI Express Mini Card for wireless LAN and bracket" on page 68
• "1080 Backup battery" on page 70
• "1090 Thermal fan" on page 70
• "1100 Thermal pipes" on page 71
• "1110 Keyboard" on page 73
• "1120 Keyboard bezel" on page 76
• "1130 Microprocessor" on page 78
Removal steps of the system board
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 Microprocessor
b Platform Controller Hub (PCH)
c Graphics Processing Unit (GPU)
For models with a discrete thermal module
80
Hardware Maintenance Manual