43
Note
If replacing a part (FRU) does not solve the problem, put the original part back in the computer.
Do not replace a non-defective FRU.
The symptom-to-part index in this section lists symptoms and errors and their possible causes.
The most likely cause is listed first.
Power system checkout
· To verify a symptom, do the following :
1. Power off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Check that power is supplied when you power on the computer.
5. Power off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Check that the battery pack supplies power when you power on the computer.
· If you suspect a power problem, see the appropriate one of the following power supply checkouts :
1. Checking the AC adapter
2. Checking the operational charging
3. Checking the battery pack
4. Checking the backup battery
· Checking the AC adapter
If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity
and installation.
If the computer does not charge during operation, go to “Checking operational charging.”
Chapter 4. Symptom-to-part index
Ch4. Symptom-to-part index
Summary of Contents for R580 Series U.ARC3BA9
Page 17: ...17 System Block Diagram Chapter 3 System information ...
Page 27: ...27 Ch3 System information g Burn process completed as below and tab OK ...
Page 60: ...60 Ch5 Removing and replacing a part 5 Remove the HDD Shield ...
Page 63: ...63 Ch5 Removing and replacing a part 3 Remove the WLAN Module ...
Page 66: ...66 3 Remove the ODD Ch5 Removing and replacing a part 4 Remove the ODD Bezel Bezel ...
Page 69: ...69 69 Ch5 Removing and replacing a part 5 Remove the Keyboard 6 Remove the Retainer ...
Page 71: ...71 71 Ch5 Removing and replacing a part 3 Remove the Display Module ...
Page 74: ...74 Ch5 Removing and replacing a part 3 Remove the Keyboard deck ...
Page 79: ...79 Ch5 Removing and replacing a part 3 Remove the Mainboard Case ...
Page 86: ...86 Ch5 Removing and replacing a part 3 Remove the Hinge Cap ...
Page 98: ...NLCD07 NLCD05 NLCD09 NLCD03 NLCD01 NLCD04 NLCD08 NLCD02 NWEBC01 ...
Page 100: ...NMINI02 NMINI01 NKDECK01 NKDECK02 NRTN01 NKEYBD01 ...
Page 102: ...NMRY01 NMRY01 NMINI04 NTHMO01 NRBS01 NMINI03 NCPU01 NMLB01 ...
Page 105: ...NCVR02 NCVR03 NCVR01 NHDD02 NHDD01 NBATT01 NODD02 NODD01 NBOTM01 NBOTM03 NHDD03 NBOTM02 ...