Dell OptiPlex 7090 Tower Service Manual - Page 10
Removing and installing components, Recommended tools, Screw List
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2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document require the following tools: ● Phillips #0 screwdriver ● Phillips #1 screwdriver ● Flat headed screwdriver ● Plastic scribe Screw List The following table shows the screw list and the images for different components. 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 list Component Side cover Screw type #6-32 Quantity 2 Image M.2 2230/2280 Solid-state drive M2x3.5 1 WLAN card M2x3.5 1 Power supply unit / Power-supply unit with #6-32 3 powered GPU 125 W heat-sink assembly #6-32 (Captive) 4 Processor fan #6-32 (Captive) 6 10 Removing and installing components