Table 6. Diagnostic error messages (continued)
Error messages
Description
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
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
Dell Diagnostics
or
Contact
Dell
.
X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT
READY
Insert a disk into the drive and try again.
System error messages
Table 7. System error messages
System message
Description
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 boot routine three
consecutive times for the same error.
CMOS checksum error
RTC is reset,
BIOS Setup
default has been loaded.
CPU fan failure
CPU fan has failed.
System fan failure
System fan has failed.
Hard-disk drive failure
Possible hard disk drive failure during POST.
Keyboard failure
Keyboard failure or loose cable. If reseating the cable does not
solve the problem, replace the keyboard.
No boot device available
No bootable partition on hard disk drive, the hard disk 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.
No timer tick interrupt
A chip on the system board might be malfunctioning or
motherboard failure.
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 disk drive failure.
Recovering the operating system
When your computer is unable to boot to the operating system even after repeated attempts, it automatically starts Dell
SupportAssist OS Recovery.
Troubleshooting
81
Summary of Contents for D24M
Page 25: ...Steps 1 Rotate the PSU hinge towards the base of the computer Disassembly and reassembly 25 ...
Page 62: ...Figure 5 Heatsink assembly 125 W CPU 62 Disassembly and reassembly ...
Page 71: ...Disassembly and reassembly 71 ...
Page 73: ...Disassembly and reassembly 73 ...
Page 76: ...28 M 2 2230 PCIe x1 slot keyed E for WiFi and Bluetooth card 76 Disassembly and reassembly ...
Page 93: ...Cable cover 93 ...
Page 98: ...Figure 14 Front rubber feet installation 98 Chassis rubber feet ...