Dell OptiPlex 7020 (Mid 2014) - Manual (Page 46)

Error Message Description
Memory allocation
error The software you are attempting to run is conflicting with the operating system,
another program, or a utility.
Memory data line
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 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 found 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.
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