Dell OptiPlex 9020 Owner's Manual - Small Form Factor - Page 50
Error Message
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Error Message Description Memory double word logic failure at address, read value expecting value A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them. Memory odd/even logic failure at address, read value expecting value A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them Memory write/read failure at address, read value expecting value A memory module may be faulty or improperly seated. Reinstall the memory modules and, if necessary, replace them. Memory size in CMOS invalid The amount of memory recorded in the computer configuration information does not match the memory installed in the computer. Memory tests terminated by keystroke A keystroke interrupted the memory test. No boot device available The computer cannot find the floppy disk or hard drive. No boot sector on hard-disk drive The computer configuration information in System Setup may be incorrect. No timer tick interrupt A chip on the system board might be malfunctioning. Non-system disk or disk error The floppy disk in drive A does not have a bootable operating system installed on it. Either replace the floppy disk with one that has a bootable operating system, or remove the floppy disk from drive A and restart the computer. Not a boot diskette The operating system is trying to boot to a floppy disk that does not have a bootable operating system installed on it. Insert a bootable floppy disk. Plug and play configuration error The computer encountered a problem while trying to configure one or more cards. Read fault The operating system cannot read from the floppy or hard drive, the computer could not find a particular sector on the disk, or the requested sector is defective. Requested sector not The operating system cannot read from the floppy or hard drive, the computer could not find a found particular sector on the disk, or the requested sector is defective. Reset failed The disk re-set operation failed. Sector not found The operating system cannot locate a sector on the floppy or hard drive. Seek error The operating system cannot find a specific track on the floppy disk or hard drive. Shutdown failure A chip on the system board might be malfunctioning. Time-of-day clock stopped The battery might be dead. 50