Lenovo Q180 manual Post error codes, Undetermined problems, Post Error Message Description/Action

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POST error codes

Each time you turn the computer on, it performs a series of tests to check that the system is operating correctly and that certain options are set. This series of tests is called the Power-OnSelf-Test, or POST. POST does the following:

•Checks some basic system-board operations

•Checks that the memory is working correctly

•Starts video operations

•Verifies that the boot drive is working

POST Error Message	Description/Action

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, select Keyboardless
	operation in Startup option to Enabled. The BIOS then
	ignores the missing keyboard during POST.

Reboot and Select proper Boot device or Insert Boot	The BIOS was unable to find a suitable boot device. Make
Media in selected Boot device	sure the boot drive is properly connected to the computer.
	Make sure you have bootable media in the boot device.

Undetermined problems

1.Power-off the computer.

2.Remove or disconnect the following components (if connected or installed) one at a time.

a.External devices (modem, printer, or mouse)

b.Extended video memory

c.External Cache

d.External Cache RAM

e.Hard disk drive

f.Disk drive

3.Power-on the computer to re-test the system.

4.Repeat steps 1 through 3 until you find the failing device or component.

If all devices and components have been removed and the problem continues, replace the system board.

20IdeaCentre Q180Hardware Maintenance Manual

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Contents IdeaCentre Q180 Hardware Maintenance Manual Page IdeaCentre Q180 Hardware Maintenance Manual Page Contents Iv IdeaCentre Q180Hardware Maintenance Manual Important Safety Information About this manualIdeaCentre Q180Hardware Maintenance Manual Electrical safety Safety informationGeneral safety IdeaCentre Q180Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices Grounding requirementsDo not To Connect To Disconnect≥18 kg37 lbs ≥32 kg70.5 lbs ≥55 kg121.2 lbs Type IdeaCentre Q180 SpecificationsGeneral information EnvironmentIdeaCentre Q180Hardware Maintenance Manual General Checkout IdeaCentre Q180Hardware Maintenance Manual Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwordsSetting, changing, or deleting a Power-On Password Administrator PasswordSetting, changing, or deleting an Administrator password Enabling or disabling a device Select Save changes and Exit from the menuSelecting a temporary startup device Exiting the Setup Utility programSelecting a startup device Selecting or changing the startup device sequenceUsing the Setup Utility IdeaCentre Q180Hardware Maintenance Manual Power Supply Problems Symptom-to-FRU IndexHard disk drive boot error Error FRU/ActionPost Error Message Description/Action Post error codesUndetermined problems Front view Locating components, controls and connectorsLocations Rear view Hardware components Identifying parts on the motherboard General information Pre-disassembly instructionsReplacing hardware Replacing the optical drive To replace the optical driveRemoving the computer cover To remove the computer coverReplacing the hard disk drive To replace the hard disk driveReplacing a memory module To replace a memory moduleReplacing the Wlan card Removing the power buttonTo remove the power button To replace the Wlan cardReplacing the CPU heatsink and system fan To replace the CPU heatsink and system fanReplacing the motherboard To replace the motherboardReplacing the keyboard and mouse To replace the keyboard and mouseComputer Cover Q180 TOP case module 110200358 FRU listsItem # FRUs Memory module Hard disk drivesWlan card MotherboardSystem fan and heatsink Power buttonChassis Advanced configuration and power interface Acpi Bios Additional Service InformationPower management Automatic Power-On features