Hardware Maintenance Manual
Page 3
...Lenovo diagnostics programs 34 Power system checkout 36 Checking the AC adapter 36 Checking operational charging 37 Checking the battery pack 37 Checking the backup battery 38 Chapter 4. Removing and replacing a FRU 65 Before servicing ThinkPad T410... 41 Power management 42 Screen blank mode 42 Sleep (standby) mode 42 Hibernation mode 43 Symptom-to use error message 24 Strategy for replacing FRUs for CTO, CMV... identification for replacing a system board 24 How to -FRU index 43 Numeric error codes 44 Error messages 48 Beep symptoms 50 No-beep symptoms 50 LCD-related symptoms ...
...Lenovo diagnostics programs 34 Power system checkout 36 Checking the AC adapter 36 Checking operational charging 37 Checking the battery pack 37 Checking the backup battery 38 Chapter 4. Removing and replacing a FRU 65 Before servicing ThinkPad T410... 41 Power management 42 Screen blank mode 42 Sleep (standby) mode 42 Hibernation mode 43 Symptom-to use error message 24 Strategy for replacing FRUs for CTO, CMV... identification for replacing a system board 24 How to -FRU index 43 Numeric error codes 44 Error messages 48 Beep symptoms 50 No-beep symptoms 50 LCD-related symptoms ...
Hardware Maintenance Manual
Page 56
...Lenovo and it should be considered faulty. DIMM. 2. No-beep symptoms Symptom or error No beep, power-on indicator on , and LCD blank during POST. No beep, power-on indicator on , LCD...number of four short beeps and a blank screen. Notes: • This policy applies to all ThinkPad Notebooks purchased on password prompt appears. LCD assembly. 3. A hard-disk password is...replaced. Beep symptoms Table 4. Two short beeps and a blank screen. 1. Only the cursor appears. However, if the LCD has three or more beeps, or a continuous beep. Reseat the LCD connector. 2. LCD...
...Lenovo and it should be considered faulty. DIMM. 2. No-beep symptoms Symptom or error No beep, power-on indicator on , and LCD blank during POST. No beep, power-on indicator on , LCD...number of four short beeps and a blank screen. Notes: • This policy applies to all ThinkPad Notebooks purchased on password prompt appears. LCD assembly. 3. A hard-disk password is...replaced. Beep symptoms Table 4. Two short beeps and a blank screen. 1. Only the cursor appears. However, if the LCD has three or more beeps, or a continuous beep. Reseat the LCD connector. 2. LCD...
Hardware Maintenance Manual
Page 57
... lines displayed on , and a blank LCD during POST. • LCD backlight not working. • LCD too dark. • LCD brightness cannot be adjusted. • LCD contrast cannot be adjusted. • LCD screen unreadable. • Characters missing pixels. • Screen abnormal. • Wrong color displayed. Reseat the LCD connectors. 2. • Lenovo will not provide replacement if the LCD is within specification as we...
... lines displayed on , and a blank LCD during POST. • LCD backlight not working. • LCD too dark. • LCD brightness cannot be adjusted. • LCD contrast cannot be adjusted. • LCD screen unreadable. • Characters missing pixels. • Screen abnormal. • Wrong color displayed. Reseat the LCD connectors. 2. • Lenovo will not provide replacement if the LCD is within specification as we...