Dell Vostro 3900 Mini Tower (Late 2013) User Manual
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Error Messages
Description
NOT ENOUGH MEMORY OR RESOURCES. EXIT 
SOME PROGRAMS AND TRY AGAIN
You have too many programs open. Close all 
windows and open the program that you want to 
use.
OPERATING SYSTEM NOT FOUND
Reinstall the hard drive. If the problem persists,
OPTIONAL ROM BAD CHECKSUM
The optional ROM has failed.
SECTOR NOT FOUND
The operating system cannot locate a sector on 
the hard drive. You may have a defective sector or 
corrupted FAT on the hard drive. Run the Windows 
error-checking utility to check the file structure on 
the hard drive. See Windows Help and Support for 
instructions (click Start > Help and Support). If a 
large number of sectors are defective, back up the 
data (if possible), and then reformat the hard drive.
SEEK ERROR
The operating system cannot find a specific track 
on the hard drive.
SHUTDOWN FAILURE
A chip on the system board may be 
malfunctioning. Run the System Set tests in the 
TIME-OF-DAY CLOCK LOST POWER
System configuration settings are corrupted. 
Connect your computer to an electrical outlet to 
charge the battery. If the problem persists, try to 
restore the data by entering the system setup 
program, then immediately exit the program. If the 
message reappears, 
.
TIME-OF-DAY CLOCK STOPPED
The reserve battery that supports the system 
configuration settings may require recharging. 
Connect your computer to an electrical outlet to 
charge the battery. If the problem persists, 
.
TIME-OF-DAY NOT SET-PLEASE RUN THE SYSTEM 
SETUP PROGRAM
The time or date stored in the system setup 
program does not match the system clock. Correct 
the settings for the Date and Time options.
TIMER CHIP COUNTER 2 FAILED
A chip on the system board may be 
malfunctioning. Run the System Set tests in the 
Dell Diagnostics.
UNEXPECTED INTERRUPT IN PROTECTED MODE
The keyboard controller may be malfunctioning, or 
a memory module may be loose. Run the System 
Memory tests and the Keyboard Controller test in 
the 
X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT 
READY
Insert a disk into the drive and try again.
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