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Locating ID labels
To assist in troubleshooting, product, serial, and authentication numbers are available on each
computer.
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All workstations have a serial number (unique for each workstation) and product number. Have
these numbers available when you contact support.
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The Certificate of Authentication (COA) is used for Windows-preinstalled systems only.
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A service label shows the build ID and Feature Byte strings, which are needed for system board
replacement.
In general, these labels can be found in these locations (your computer may look different):
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On the top, rear or bottom of the chassis (tower and desktop configuration)
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On a pull-out card on the side of the display (all-in-one configuration)
Figure 7-1 Tower and desktop label locations
Figure 7-2 All-in-one label locations
Locating ID labels
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