Go to dell.com/support. Click Product support enter the Service Tag of your computer and click Submit. NOTE: If you do not have the Service Tag, g-series-15-3500-laptop | Dell G3 15 3500 Service Manual | troubleshooting. g-series-15-3579-laptop | Dell G3 15 Service Manual | running-the-epsa-diagnostics.g-series-15-3500-laptop | Dell G3 15 3500 Service Manual operating system, see the documentation of your operating system for shut-down instructions. g-series-15-3579-laptop | Dell G3 15 Service Manual | removing-the-heat-sink. 8 Press and hold the power button for 5 seconds to ground the computer and drain the flea power. Removing the base cover. 15. Page 16. Replacing the base cover. g-series-15-3590-laptop | Dell G3 3590 Service Manual | getting-help-and-contacting-dell.