Dell Dimension 4500C Owner's Manual page 57

R — Restore the original
E S T O R E T H E R E C O M M E N D E D S E T T I N G S
resolution and refresh rate settings. See the Tell Me How help file for instructions.
To access help files, see page 38.
C — See page 70.
H E C K F O R I N T E R R U P T R E Q U E S T C O N F L I C T S
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So l vi n g Pro b l em s