Miscellaneous Error Messages - Lenovo ThinkCentre A70z Hardware Maintenance Manual

POST Error Message
CMOS battery failed
CMOS checksum error - defaults loaded
CPU at nnnn
Press Esc to skip memory test
HARD DISK INSTALL FAILURE
Keyboard error or no keyboard present
Memory Test:
Memory test fail
Press TAB to show POST screen
Error: Non-System disk or disk error Replace and press
any key when ready

Miscellaneous error messages

Message/Symptom
Changing display colors
Computer will not power-off. See "Hard disk drive boot
error" on page 41.
Description/Action
The CMOS battery is no longer functional.
Replace the battery.
Checksum of CMOS is incorrect.
The computer loads the default configuration settings.
This error might indicate that CMOS has become corrupt
due to a weak CMOS battery.
nnnn is the running speed of the microprocessor.
Pressing Esc skips the full memory test
Cannot find or initialize the hard disk drive controller or
the drive.
Make sure the hard disk drive is correctly installed.
If no hard disk drives are installed, make sure the hard
disk drive selection in Setup is set to NONE.
Cannot initialize the keyboard.
Make sure the keyboard is properly connected to the
computer and that no keys are held pressed during POST.
To purposely configure the computer without a keyboard:
1. Start the Setup Utility program. See "Starting the
Setup Utility program" on page 37.
2. Select Startup ® Keyboardless Operation ®
Enabled.
This message displays during a full memory test, counting
down the memory areas being tested.
If POST detects an error during memory testing, additional
information appears. This information gives specifics
about the type and location of the memory error.
Pressing the TAB key permits the user to toggle between
the default POST display screen and a custom POST
display screen.
The BIOS was unable to find a suitable boot device.
Make sure the boot drive is properly connected to the
computer.
Make sure you have bootable media.
FRU/Action
Display/Monitor
1. Power Switch
2. System Board
3. Riser card, if installed
Chapter 7
.
Symptom-to-FRU Index
61