Compaq dx2100 HP Compaq dx2100 MT Business PC Service Reference Guide (1st Edi - Page 78
Screen Message, Probable Cause, Recommended Action, Check Computer Setup F10 Setup - hp memory
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POST Error Messages POST Error Messages Screen Message CMOS Checksum Error. Defaults Loaded Probable Cause CMOS corrupt or bad RTC battery. ROM BIOS Checksum Error - system halted ROM BIOS may be corrupted. Keyboard/Interface Error Keyboard controller failure. Keyboard Error or No Keyboard Present Keyboard not present or system not responding when keyboard controller is initialized. Hard Disk Install Failure Cannot find or initialize the hard drive. Memory Test Failure If POST detects an error during memory testing, additional information appears about the type and location of the memory error. Recommended Action Press F1 to save defaults. Replace RTC battery. Download the current ROM BIOS from the HP Web and reflash the ROM BIOS. Download the most current ROM BIOS from the Web and reflash the system ROM. Reconnect keyboard with computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. Replace system board. Reconnect keyboard with computer turned off. Check connector for bent or missing pins. Ensure that none of the keys are depressed. Replace keyboard. Replace system board. Check Computer Setup (F10 Setup) for presence of hard drive. Check drive cable connections. Replace hard drive. Run Computer Setup (F10 Setup) or Windows utilities. Ensure memory modules are installed correctly. Verify proper memory module type. Remove and replace memory modules one at a time to isolate faulty module. Replace the faulty memory module. If error persists after replacing memory module, replace the system board. C-4 404569-001 Service Reference Guide, dx2100 MT