Compaq dx7400 Troubleshooting Guide - Page 69
Media Card Reader problems, CD-ROM or DVD
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Index A access panel, locked 11 audible codes 55 audio problems 27 B beep codes 55 boot problems 41 booting options Full Boot 48 Quick Boot 48 C CD-ROM or DVD problems 40 CMOS backing up 57 clearing and resetting 59 Customer Support 7, 47 D diagnostics utility 1 diskette problems 15 Drive Key problems 42 Drive Protection System (DPS) 61 E error codes 48, 55 messages 49 F flashing LEDs 55 front panel problems 43 G general problems 10 H hard drive problems 18 hardware installation problems 32 helpful hints 8 I Insight Diagnostics 1 Internet access problems 44 K keyboard problems 30 L LEDs blinking PS/2 keyboard 55 M Media Card Reader problems 21 memory problems 37 monitor problems 23 mouse problems 30 N network problems 34 numeric error codes 49 O optical drive problems 40 P password clearing 57 power-on 57 setup 57 POST error messages 48 power problems 14 power-on password 57 printer problems 29 problems audio 27 CD-ROM or DVD 40 diskette 15 Drive Key 42 front panel 43 general 10 hard drive 18 hardware installation 32 Internet access 44 keyboard 30 Media Card Reader 21 memory 37 monitor 23 mouse 30 network 34 power 14 printer 29 processor 39 software 46 processor problems 39 R resetting CMOS 57 password jumper 57 S safety and comfort 7 setup password 57 software backing up 5 problems 46 W Wake-on-LAN feature 34 ENWW Index 63