Dell OPENVIEW NNM SE 1.2 Guide de dépannage télécharger pdf (Page 123)

support.dell.com Getting Help 7-5

Before You Call

NOTE: Have your Express Service Code ready when you call. The code helps Dell’s

automated-support telephone system direct your call more efficiently.

Remember to fill out the Diagnostics Checklist (Figure 7-1). If possible, turn on your

system before you call Dell for technical assistance and call from a telephone at or

near the computer. You may be asked to type some commands at the keyboard, relay

detailed information during operations, or try other troubleshooting steps possible

only at the system itself. Make sure the system documentation is available.

CAUTION: If you need to remove the system covers, be sure to first discon-

nect the system’s power and modem cables from all electrical outlets.

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Dell OPENVIEW NNM SE 1.2 Guide de dépannage Page 123