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 23. 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.
Dell SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers installed with Windows 10 operating system. It
consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system. It enables you
to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state.
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary
operating system due to software or hardware failures.
Troubleshooting
91
Содержание D28M
Страница 1: ...OptiPlex 7071 Tower Service Manual Regulatory Model D28M Regulatory Type D28M001 ...
Страница 41: ...Disassembly and reassembly 41 ...
Страница 43: ...Disassembly and reassembly 43 ...
Страница 60: ...60 Disassembly and reassembly ...
Страница 61: ...Disassembly and reassembly 61 ...
Страница 63: ...Disassembly and reassembly 63 ...
Страница 64: ...64 Disassembly and reassembly ...
Страница 65: ...Disassembly and reassembly 65 ...
Страница 83: ...5 Click Begin Flash Update and then a warning message is displayed System setup 83 ...
Страница 84: ...6 Click Yes The systems restarts automatically and starts BIOS Flash 84 System setup ...
Страница 85: ...7 Once complete the system will reboot and the BIOS update process is completed System setup 85 ...