Troubleshooting 41
ALERT! PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT
CHECKPOINT [NNNN]. FOR HELP IN RESOLVING THIS PROBLEM, PLEASE NOTE THIS
CHECKPOINT AND CONTACT DELL TECHNICAL SUPPORT — The computer failed
to complete the start routine three consecutive times for the same error (see
"Contacting Dell" on page 65 for assistance).
CMOS CHECKSUM ERROR — Possible motherboard failure or RTC battery low.
Replace battery. See your Service Manual at support.dell.com or see
"Contacting Dell" on page 65 for assistance.
CPU FAN FAILURE — Processor fan failure. Replace processor fan. See your
Service Manual at support.dell.com.
HARD-DISK DRIVE FAILURE — Possible hard drive failure during hard drive
POST. Check cables, swap hard disks, or see "Contacting Dell" on page 65 for
assistance.
HARD-DISK DRIVE READ FAILURE — Possible hard drive failure during hard-
drive start test (see "Contacting Dell" on page 65 for assistance).
KEYBOARD FAILURE — Keyboard failure or keyboard cable loose.
NO BOOT DEVICE AVAILABLE — No bootable partition on hard drive, or the
hard drive cable is loose, or no bootable device exists.
• If the hard drive is your boot device, ensure that the cables are connected
and that the drive is installed properly and partitioned as a boot device.
• Enter system setup and ensure that the boot sequence information is
correct see your
Service Manual
at
support.dell.com
).
NO TIMER TICK INTERRUPT — A chip on the system board might be
malfunctioning or motherboard failure (see "Contacting Dell" on page 65 for
assistance).
USB OVER CURRENT ERROR — Disconnect the USB device. Use external power
source for the USB device.
NOTICE - HARD DRIVE SELF MONITORING SYSTEM HAS REPORTED THAT A
PARAMETER HAS EXCEEDED ITS NORMAL OPERATING RANGE. DELL RECOMMENDS
THAT YOU BACK UP YOUR DATA REGULARLY. A PARAMETER OUT OF RANGE MAY OR
MAY NOT INDICATE A POTENTIAL HARD DRIVE PROBLEM — S.M.A.R.T error,
possible hard drive failure. This feature can be enabled or disabled in BIOS
setup.