Hardware Maintenance Manual
Page 5
... password . . . . 35 Power management 37 Screen blank mode 37 Standby mode 37 Hibernation mode 38 Symptom-to-FRU index 39 Numeric error codes 39 Error messages 43 Beep symptoms 44 © Copyright Lenovo 2008 No-beep symptoms 44 LCD-related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad T400 and R400 (14.1-inch widescreen...
... password . . . . 35 Power management 37 Screen blank mode 37 Standby mode 37 Hibernation mode 38 Symptom-to-FRU index 39 Numeric error codes 39 Error messages 43 Beep symptoms 44 © Copyright Lenovo 2008 No-beep symptoms 44 LCD-related symptoms 45 Intermittent problems 46 Undetermined problems 46 ThinkPad T400 and R400 (14.1-inch widescreen...
Hardware Maintenance Manual
Page 43
...off the computer. 2. For the other models, enter the master HDP. How to remove the backup battery, see "1010 Battery pack" on the screen; When the ThinkPad logo comes up , immediately press F1 to move down the menu. 4. In the Changes have forgotten, do the following : (A) If no ... the servicer, neither Lenovo nor Lenovo authorized servicers provide any services to reset the user HDPs or to remove the battery pack, see "1060 Backup battery" on the computer and wait until the POST ends. Select Password. 5. then leave the Enter New Password field blank, and press Enter twice...
...off the computer. 2. For the other models, enter the master HDP. How to remove the backup battery, see "1010 Battery pack" on the screen; When the ThinkPad logo comes up , immediately press F1 to move down the menu. 4. In the Changes have forgotten, do the following : (A) If no ... the servicer, neither Lenovo nor Lenovo authorized servicers provide any services to reset the user HDPs or to remove the battery pack, see "1060 Backup battery" on the computer and wait until the POST ends. Select Password. 5. then leave the Enter New Password field blank, and press Enter twice...
Hardware Maintenance Manual
Page 45
...system, you are using the ACPI operating system, only the low-battery alarm is available. To cause the computer to what occurs in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in addition to return from standby...returns from standby mode and resume operation, do what you when the battery is powered off . In certain circumstances, the computer goes into screen blank mode, press the ThinkVantage® button and use the ThinkVantage Productivity Center. v If the battery indicator blinks orange, indicating that time. ...
...system, you are using the ACPI operating system, only the low-battery alarm is available. To cause the computer to what occurs in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in addition to return from standby...returns from standby mode and resume operation, do what you when the battery is powered off . In certain circumstances, the computer goes into screen blank mode, press the ThinkVantage® button and use the ThinkVantage Productivity Center. v If the battery indicator blinks orange, indicating that time. ...
Hardware Maintenance Manual
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... pause, three short beeps, pause, three more short 1. Four cycles of four short beeps and a blank System board (security chip) screen. Reseat DIMM. 2. System board. 2. POST error. Two short beeps and a blank screen. 1. DIMM. Reinstall the operating system. System board No-beep symptoms Table 4. Make sure that every .... 2. See "Numeric error codes" on page 39. connected tightly and correctly. 2. LCD assembly. 3. Type the password and press Enter. 44 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual Five short beeps and a blank screen.
... pause, three short beeps, pause, three more short 1. Four cycles of four short beeps and a blank System board (security chip) screen. Reseat DIMM. 2. System board. 2. POST error. Two short beeps and a blank screen. 1. DIMM. Reinstall the operating system. System board No-beep symptoms Table 4. Make sure that every .... 2. See "Numeric error codes" on page 39. connected tightly and correctly. 2. LCD assembly. 3. Type the password and press Enter. 44 ThinkPad T400 and R400 (14.1-inch widescreen) Hardware Maintenance Manual Five short beeps and a blank screen.
Hardware Maintenance Manual
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... or always lighted is characteristic of missing, discolored, or lighted dots in sequence System board. 1. v Screen abnormal. Horizontal or vertical lines displayed on June 2006 or later manufactured ThinkPad LCD resolution Bright dots Dark dots Bright and dark dots XGA, WXGA 5 6 6 WXGA+, SXGA+, ...5 WSXGA+ 8 10 UXGA, WUXGA, 5 13 13 QXGA Notes: v Lenovo will have zero pixel defects. LCD assembly. 3. Reseat...
... or always lighted is characteristic of missing, discolored, or lighted dots in sequence System board. 1. v Screen abnormal. Horizontal or vertical lines displayed on June 2006 or later manufactured ThinkPad LCD resolution Bright dots Dark dots Bright and dark dots XGA, WXGA 5 6 6 WXGA+, SXGA+, ...5 WSXGA+ 8 10 UXGA, WUXGA, 5 13 13 QXGA Notes: v Lenovo will have zero pixel defects. LCD assembly. 3. Reseat...