Lenovo ThinkCentre A70z ALL-IN-ONE, Руководство по техническому обслуживанию аппаратной части

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POST Error Message Description/Action
CMOS battery failed The CMOS battery is no longer functional.
Replace the battery.
CMOS checksum error - defaults loaded 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.
CPU at nnnn nnnn is the running speed of the microprocessor.
Press Esc to skip memory test Pressing Esc skips the full memory test
HARD DISK INSTALL FAILURE 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.
Keyboard error or no keyboard present 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 .
Memory Test: This message displays during a full memory test, counting
down the memory areas being tested.
Memory test fail
If POST detects an error during memory testing, additional
information appears. This information gives specifics
about the type and location of the memory error.
Press TAB to show POST screen
Pressing the TAB key permits the user to toggle between
the default POST display screen and a custom POST
display screen.
Error: Non-System disk or disk error Replace and press
any key when ready 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.
Miscellaneous error messages
Message/Symptom FRU/Action
Changing display colors Display/Monitor
Computer will not power-off. See “Hard disk drive boot
error” on page 41.
1. Power Switch
2. System Board
3. Riser card, if installed
Chapter 7
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Symptom-to-FRU Index
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