Operating and storage environment
This table lists the operating and storage specifications of your OptiPlex 7490 All-in-One.
Airborne contaminant level: G1 as defined by ISA-S71.04-1985
Table 25. Computer environment
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
Getting help and contacting Dell
Self-help resources
You can get information and help on Dell products and services using these self-help resources:
Table 26. Self-help resources
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