Dell Inspiron 1721 (Mid 2007) - Manual (Page 111)

Troubleshooting
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K EYBOARD STUCK KEY FAILURE — For external keyboards or keypads, check the
cable connection. Restart the computer, and avoid touching the keyboard or
keys during the boot routine. Run the Stuck Key test in the Dell Diagnostics
(see "Dell Diagnostics" on page 97).
L ICENSED CONTENT IS NOT ACCESSIBLE IN M EDIA D IRECT — Dell MediaDirect™
cannot verify the Digital Rights Management (DRM) restrictions on the file,
so the file cannot be played (see "Dell MediaDirect problems" on page 117).
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 "Memory" on page 146).
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 "Memory" on page 146).
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 "Memory" on page 146).
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 "Memory" on page 146).
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 "Memory" on page 146).
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 175).
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 97).