Dell Inspiron 3700 Reference Manual page 49

No timer tick interrupt
Non-system disk or disk
error
Not a boot diskette
Optional ROM bad
checksum
Sector not found
Seek error
Shutdown failure
Time-of-day clock lost
power
Time-of-day clock
stopped
Time-of-day not set-
please run the System
Setup program
Timer chip counter 2
failed
Unexpected interrupt in
protected mode
Warning: Battery is
critically low.
System Flash Codes
When errors that occur during the boot routine cannot be reported on the built-in display or on an external monitor (if attached), the Num Lock,
Caps Lock, and Scroll Lock indicators (see
example, one flash, followed by a second flash, and then a burst of three flashes (code 1-1-3) means that the computer was unable to read the data
in nonvolatile random-access memory (NVRAM). This information is important to the Dell support staff if you need to call for technical assistance.
The Num Lock, Caps Lock, and Scroll Lock indicators flash briefly when the computer is turned on. The flash codes, if needed, occur after the boot
routine.
Figure 1. Flash Code Indicators
1 Scroll Lock
2 Caps Lock
3 Num Lock
When the computer emits a flash code, write it down on a copy of the
A chip on the system board may be
malfunctioning.
The diskette in drive A or your hard-disk drive
does not have a bootable operating system
installed on it.
There is no operating system on the diskette. Boot the computer with a diskette that contains an
The optional ROM apparently failed.
The operating system cannot locate a sector
on the diskette or hard-disk drive. You
probably have a bad sector or corrupted file
allocation table ( FAT) on the diskette or
hard-disk drive.
The operating system cannot find a specific
track on the diskette or hard-disk drive.
A chip on the system board may be
malfunctioning.
Data stored in NVRAM has become
corrupted.
The reserve battery that supports the data
stored in NVRAM may be read.
The time or date stored in the System Setup
program does not watch the system clock.
A chip on the system board may be
malfunctioning.
The keyboard controller may be
malfunctioning, or an installed memory
module may be loose.
The battery is running out of charge.
Figure 1) may flash together in a pattern of lights (or flash code) that identifies the problem. For
Run the System Set tests in the
If you are trying to boot from the diskette, replace it with one
that has a bootable operating system.
operating system.
Call Dell for technical assistance.
Run the appropriate utility to check the file structure on the
diskette or hard-disk drive. If a large number of sectors are
defective, back up the data (if possible), and then reformat
the diskette or hard-disk drive.
If the error is on the diskette drive, try another diskette in the
drive.
Run the System Set tests in the
Connect your computer to an electrical outlet to charge the
battery. If the problem persists, try to restore the data. To
restore the data, press <Fn><F1> to
Setup program. Then immediately exit it. If the message
reappears, call Dell
Connect your computer to an electrical outlet to charge the
battery. If the problem persists,
assistance.
Correct the settings for the Date and Time options. (For
instructions, see
Run the System Set tests in the
Run the System Memory tests and the Keyboard
Controller test in the
Replace the battery, or connect the computer to an
electrical outlet. Otherwise, activate
(S2D) mode or turn off the computer.
Diagnostics Checklist and then look up its cause and meaning in
Dell Diagnostics.
Dell Diagnostics.
enter the System
for technical assistance.
call Dell for technical
"System Setup Program.")
Dell Diagnostics.
Dell Diagnostics.
save-to-disk suspend
Table 2. If