Lenovo 4223, 4228, 4229 manual Miscellaneous error messages, Post Error Message Description/Action

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,

set the error halt condition in Setup to HALT ON ALL, BUT

KEYBOARD. The BIOS then ignores the missing keyboard

during POST.

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

The BIOS was unable to find a suitable boot device.

any key when ready

Make sure the boot drive is properly connected to the

computer.

Make sure you have bootable media.

Message/Symptom

FRU/Action

Changing display colors

Display/Monitor

Computer will not turn off. See “Hard disk drive boot

1.

Power switch

error” on page 49.

2.

System board

3.

Riser card, if installed.