2-4 Dell Precision 410 Systems Service Manual 'XULQJ WKH ERRW URXWLQH REVHUYH WKH V\VWHP IRU DQ\ RI WKHIROORZLQJá Diskette-drive and hard-disk drive access indicatorsThese indicators light up in response to data being transferred to orfrom the drives. If either of these indicators fails to light up during theboot routine, troubleshoot the diskette drive or hard-disk drive sub-system, as appropriate.á Beep codesA beep code is a series of beeps that indicates an error condition. If thesystem emits a beep code, see Table 3-1.á System error messagesThese messages can indicate problems or provide status information.If a system error message is displayed, see Table 3-2. 2EVHUYH WKH PRQLWRU VFUHHQ IRU WKH 'LDJQRVWLFV 0HQXDoes the Diagnostics Menu appear?Yes. See “Running the Dell Diagnostics” found later in this chapter.No. Proceed to step 6. ,QVHUW DQRWKHU FRS\ RI WKH GLDJQRVWLFV GLVNHWWH LQWR WKH GLVNHWWHGULYH DQG UHERRW WKH V\VWHPDoes the Diagnostics Menu appear?Yes. See “Running the Dell Diagnostics” found later in this chapter.No. Proceed to the next section, “Internal Visual Inspection.”,QWHUQDO9LVXDO,QVSHFWLRQ&$87,21 %HIRUH \RX SURFHHG ZLWK WKH LQWHUQDO YLVXDO LQVSHFWLRQGHVFULEHG LQ WKLV VHFWLRQ HQVXUH WKDW WKH XVHU KDV VDYHG DOO RSHQILOHV DQG H[LWHG DOO RSHQ DSSOLFDWLRQ SURJUDPV LI SRVVLEOHA simple visual inspection of a computer’s interior hardware can often lead tothe source of a problem, such as a loose expansion card, cable connector, ormounting screw. When you perform the visual inspection, refer to “SystemFeatures” in Chapter 1 to locate components in the inspection procedure.