
| IMM | Lower | Heatsink | 
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| Ÿ | “Battery” | on | page 61 | |
| Ÿ | “Hard Disk Drive” on page 62 | |||
| Ÿ | “Combo | Bay” | on | page 63 | 
Ÿ“Keyboard” on page 70
| Ÿ | “LED | Board” | on | page 72 | |
| Ÿ | “Upper Heatsink” on page 73 | ||||
| Ÿ | “CPU | Board” | on | page 76 | |
| Ÿ | “LCD | Panel” | on | page 77 | |
Ÿ“Upper Cover” on page 79
| To remove | the | IMM | lower | heatsink: | 
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| 1. Disconnect | the | fan | cable | from | the | connector | ||
| 2. Remove the screw securing the | IMM | lower he | ||||||
| Lift | the | IMM lower | heatsink | up | to | remove. | ||
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| Step | tity) | 
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| 2 | M2 | x 10L | (1) | Pan | head, | 
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| Note: | Make | sure | you | use | the | correct | screw for repl | ||
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ThinkPad 390X / i 1700 81HMM
