Dell OptiPlex 7020 Tower OptiPlex 7020 Mini Tower Owners Manual - Page 48

Error Message, CMOS invalid

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Error Message Description Keyboard failure A cable or connector may be loose, or the keyboard or keyboard/mouse controller may be faulty. Memory address A memory module may be faulty or improperly seated. Reinstall the memory line failure at modules and, if necessary, replace them. address, read value expecting value Memory allocation The software you are attempting to run is conflicting with the operating system, error 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 A memory module may be faulty or improperly seated. Reinstall the memory logic failure at modules and, if necessary, replace them address, read value expecting value Memory write/read A memory module may be faulty or improperly seated. Reinstall the memory failure at address, modules and, if necessary, replace them. read value expecting value 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 The computer configuration information in System Setup may be incorrect. hard-disk drive 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. 48

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Error Message
Description
Keyboard failure
A cable or connector may be loose, or the keyboard or keyboard/mouse controller
may be faulty.
Memory address
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 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.
48