Lenovo 3000 C200 manual Power management, How to remove the hard-disk password, Screen blank mode

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Related service information

How to remove the hard-disk password

Attention: If User only mode is selected and the user HDP has been forgotten and cannot be made available to the servicer, neither Lenovo nor Lenovo authorized servicers provide any services to reset the user HDPs or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following:

1.Turn on the computer; then, while the initial screen is displayed, press the Lenovo Care button. The Rescue and Recovery screen opens.

2.Click Access BIOS. The System Restart Required window is displayed.

3.Click Yes. The computer restarts, and the BIOS Utility screen opens.

4.Select Security, using the cursor directional keys to move down the menu.

5.Select Password.

6.Select Hard-diskx password, where x is the letter of the hard disk drive. A pop-up window opens.

7.Select Master HDP.

8.Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice.

9.Press F10.

10.Select Yes in the Setup Configuration window.

Both user HDP and master HDP will have been removed.

Power management

Note: Power management modes are not supported for APM operating system.

To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation.

Screen blank mode

If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.

To end screen blank mode and resume normal operation, press any key.

Standby mode

When the computer enters standby mode, the following events occur in addition to what occurs in screen blank mode:

vThe LCD is powered off.

vThe hard disk drive is powered off.

vThe CPU stops.

To enter standby mode, press Fn+F4.

In certain circumstances, the computer goes into standby mode automatically:

vIf a “suspend time” has been set on the timer, and the user does not do any operation with the keyboard, the hard disk, the parallel connector, or the diskette drive within that time.

22MT 8922

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Contents Lenovo 3000 C200 Hardware Maintenance Manual Page Lenovo 3000 C200 Hardware Maintenance Manual Page Contents Iv MT About this manual Important service informationStrategy for replacing FRUs Strategy for replacing a hard disk drive How to use error messagesImportant notice for replacing a system board Using eSupport Using PC Entitlement Warehouse PEWUsing the HMM Important information about replacing RoHS compliant FRUs Safety notices multilingual translations Diskette compatibility matrixSafety notices Safety notices Safety notices Safety notices 10 MT General safety Safety informationElectrical safety 12 MT Safety inspection guide Grounding requirements Laser compliance statement 16 MT Read this first What to do firstRead this first Related service information Passwords Power-on passwordHow to remove the power-on password If no SVP has been setPower management How to remove the hard-disk passwordScreen blank mode Standby modeHibernation mode Creating the PC-Doctor diagnostics diskette Testing the computerCheckout guide Diagnostics Interactive Tests Power system checkout Detecting system information with PC-DoctorHardware Info UtilityChecking the ac adapter Checking the battery packChecking operational charging Terminal Voltage V dc Lenovo 3000 C200 Specifications Product overviewCmos RAM Status indicators Indicator MeaningFRU tests Following table shows the test for each FRUFn key combinations Key combination DescriptionSymptom-to-FRU index Numeric error codesDMA test failed System board 02F6 Error messages To boot fromErrors without messages LCD-related symptomsIntermittent problems Undetermined problemsScrew notices FRU replacement noticesRetaining serial numbers Retaining the Uuid Restoring the serial number of the system unitReading or writing the ECA information 42 MT Removing and replacing a FRU Battery pack Hard disk drive slot cover Hard disk driveBluetooth daughter card BDC PCI Express Mini Card for 802.11 a/b/g wireless LAN PCI Express Mini Card for 802.11 a/b/g/n wireless LAN Dimm slot cover Dimm Optical drive Thermal module slot cover 1110 Fan Thermal module Removing and replacing a FRU 1130 CPU Cover, strip E cover Keyboard When installing Function board LCD unit 62 MT Removing and replacing a FRU Top cover assembly C cover M2.5 × 3 mm, flat-head, nylon-coated Black 392 Nm Kgfcm 66 MT 1190 USB/Audio connector card VGA connector card LED card 70 MT Removing and replacing a FRU To remove the MDC, do as follows LCD front bezel B cover Inverter card Removing and replacing a FRU Remove the hinges from the LCD panel Locations Front view Rear view Bottom viewParts list Overall FRU CRU 82 MT Parts list 84 MT LCD FRUs 15.0-in. XGA TFTNMB Recovery discs Windows XP Professional CDsWindows XP Home Edition CDs Windows Vista Home Premium 32 bit DVDs Windows Vista Home Basic 32 bit DVDs Windows Vista Business 32 bit DVDs Corel software CDs AC adaptersBluetooth insulator Miscellaneous partsCommon parts list ToolsPower cords For 2-pin power cords96 MT Trademarks Part Number 42T7841