Precision 3561 Service Manual

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Screw list

NOTE When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.

NOTE Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surface when replacing a component.

NOTE Screw color may vary with the configuration ordered.

Table 1. Screw listScrew list
Component	Screw type	Quantity	Screw image
Base cover	Captive screws	8	N/A
Wireless card	Captive screws	1	N/A
Wireless Wide Area Network (WWAN) Card	M2x3	1
M.2 2230 solid-state drive	M2x3	4
M.2 2280 solid-state drive	M2x3	2
Assembly inner frame	M2x3 M2x5	7 2
4-cell battery	M2x3	2
Heat sink with fan assembly - UMA	M2x3 M2x5 (for fan)	4 2
Heat sink with fan assembly - Discrete	M2x3 M2x5 (for fan)	6 2
eDP cable/bracket	M2x3	2
USB Type-C support bracket	M2x5	3
System board	M2x3	4
Power button	M2x2.5	2
Smart card reader	M2x2.5	3
LED board	M2x3	1
Keyboard assembly	M2x2	18
Keyboard bracket	M2x2	5
Display assembly	M2.5x5 (display hinges to palm-rest assembly)	4
Display hinge	M2.5x3 (display hinges to display back cover)	4
Display panel	M2.5x3	2