Lenovo C315 All-In-One User Manual download pdf (Page 32)

Chapter 6. Symptom-to-FRU Index

correct the cause of the ﬁrst error message, the other error messages

probably will not appear on the screen the next time you turn on the

system.

POST Error Message Description/Action

CMOS Date/Time Not Set The CMOS Date and/or Time are

invalid. This error can be resolved

by readjusting the system time in

Phenix BIOS Setup.

CMOS Battery Low The CMOS battery is no longer

functional.

Replace the battery.

CMOS Checksum Bad 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.

Primary Master Hard Disk Error The IDE/ATAPI device conﬁgured

as Primary Master/Primary Slave/

Secondary Master/Secondary Slave

could not be found or initialized.

Make sure the hard drive is correctly

installed.

Primary Slave Hard Disk Error

Secondary Master Hard Disk Error

Secondary Slave Hard Disk Error

Keyboard error 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

keyboardless operation in Setup to

Enable. The BIOS then ignores the

missing keyboard during POST.

System Halted The system has been halted. A reset

or power cycle is required to reboot

the machine. This message appears

after a fatal error has been detected.

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.

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Lenovo C315 All-In-One User Manual Page 32

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