Dell Vostro 420 (Late 2008) - Manual (Page 44)

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Troubleshooting
M EMORY 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. See your Service Manual at
support.dell.com for more information.
M EMORY ALLOCATION ERROR — The software you are attempting to run is
conflicting with the operating system, another program, or a utility. Shut
down the computer, wait 30 seconds, and then restart it. Try to run the
program again. If the error message still appears, see the software
documentation.
M EMORY 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. See your Service Manual at
support.dell.com for more information.
M EMORY 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. See your Service Manual at
support.dell.com for more information.
M EMORY 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. See your Service Manual at
support.dell.com for more information.
M EMORY 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. See your Service Manual at
support.dell.com for more information.
N O BOOT DEVICE AVAILABLE — The computer cannot find the hard drive. If
the hard drive is your boot device, ensure that the drive is installed, properly
seated, and partitioned as a boot device.
N O BOOT SECTOR ON HARD DRIVE — The operating system may be corrupted.
Contact Dell (see "Contacting Dell" on page 71).
N O TIMER TICK INTERRUPT — A chip on the system board may be
malfunctioning. Run the System Set tests in the Dell Diagnostics (see "Dell
Diagnostics" on page 48).
N OT ENOUGH MEMORY OR RESOURCES . E XIT SOME PROGRAMS AND TRY AGAIN —
You have too many programs open. Close all windows and open the program
that you want to use.