Text preview for : 255_259II Ch6 Troubleshooting Guidelines.pdf part of Optima Centoris W259 Series Optima Centoris W259 Series Service Manual
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Chapter 6 Troubleshooting Guidelines
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Chapter 6 Troubleshooting Guidelines
Trouble Shooting List
6.1 No display
6.2 VGA controller failure
6.3 LCD no display / Invalid picture
6.4 External monitor has no display or color incorrect
6.5 Memory test error
6.6 Keyboard test error
6.7 Touch pad test error
6.8 Memory Card bus Failure
6.9 Hard disk drive test error
6.10 CMOS test error
6.11 IEEE 1394 Failure
6.12 Card read port test error
6.13 Audio failure
6.14 No power symptom
6.15 CD ROM drive test error
6.16 Stopping in LCD screen while booting
6.17 PCMCIA Card Bus failure
6.18 Modem Failure
6.19 LAN Failure
6.20 TV OUT Failure
6.1 No display (system failure)
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Chapter 6 Troubleshooting Guidelines
Symptom: There is no display on both LCD and Monitor after power on although
the LCD and Monitor are known-good.
No Display
NO
Monitor or LCD module ok? Replace monitor or LCD
Yes
NO
DDR RAM module ok? Replace DDR module
Yes
Yes
NO
CPU OK?? Replace CPU
Yes
Yes
Display Ok? Correct it
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.2 VGA controller failure
Symptom: There is no display or distortion on both LCD and Monitor although
Power-On-Self-Test is passed
VGA Controller Failure
Try reinstall VGA driver in Windows XP
Yes
Retest ok?? Correct it
No
Screen distortion? No Replace Motherboard
Yes
Detect Display No Replace Motherboard
Adapter?
Yes
No
Check Memory Replace Motherboard
Size
Yes
Correct it
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Chapter 6 Troubleshooting Guidelines
6.3 LCD no display or Invalid Picture
Symptom: The LCD shows nothing or abnormal picture, but it is ok for external
monitor.
LCD No Display
Try another known good LCD module
Yes Replace each parts of LCD
Display OK? module / cables and test
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.4 External monitor has no display or color abnormal
Symptom: The CRT monitor shows nothing or abnormal color, but it is ok for LCD
Monitor No Display
Try another known good monitor
Yes
Display Ok?
Replace faulty monitor
No
Setup Ok? No
Correct it
Yes
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.5 Memory test error
Memory test error
Try another known good DRAM module
Yes
Replace the faulty
Test OK?
DRAM module
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.6 Keyboard test error (including external K/B & PS/2 mouse)
Symptom: error message of keyboard failure is shown or any key doesn't work
Keyboard test error
No
Is K/B cable connected to
M/B properly? Connect or Replace
K/B cable
Yes
Try another good keyboard
Yes
Test Ok? Replace the faulty keyboard
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.7 Touch Pad test error
Symptom: An error message is shown when the Touch Pad point is enabled
Touch pad error
1. Check Touch pad device in Windows XP if it is properly
Installed (including driver)
2. Check cable connected properly
Try another known good touch pad module and cable
Yes
Test Ok ? Replace the faulty parts
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.8 Memory Card Bus failure
Symptom: When insert Memory Stick can't detect Device with removable storage.
Memory Card Bus failure
1.Check Memory Card Bus Device in Windows XP if it is properly
installed(including driver)
2.Try Reinsert Memory Stick
Yes
Test Ok?? Correct it
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.9 Hard disk drive test error
Symptom: Either an error message is shown, or the drive motor spins non-stop,
while reading data from or writing data to Hard disk
Hard disk test error
Yes
Check BIOS
Correct it
Setup OK?
No
Try another known good HDD
Yes Replace the faulty parts
Re-boot ok?
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.10 CMOS test error
1. CMOS data lost, or inaccurate system time & data
CMOS test error
1. Plug in AC adapter, power on the system and set correct data in BIOS setup
2. Replace CMOS Battery
3. Turn off power for 1 hour then turn on again
Yes
Re-boot OK?
END
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.11 IEEE 1394 Failure
Symptom: When backup HDD using IEEE 1394 can't detect the device..
IEEE 1394 Failure
1. Check IEEE 1394 device in Windows XP if it is properly
installed (including driver)
2. Try another backup HDD using IEEE 1394 device
Yes
Re-test Ok? Correct it
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.12 Card read port test error
Symptom: Can't get this card read
Card read fail
1. check whether driver are installed properly
2. try another working Card read
Re-test OK? Yes
Correct it
No
No
Setup OK?
Correct it
Yes
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.13 Audio failure
Symptom: No sound from speaker after audio drive is installed.
Audio test error
1. check whether cables, speakers & audio drivers are installed properly
2. try another working speaker & cable
Yes
Re-test ok? Correct it
No
No
Setup ok? Correct it
Yes
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.14 No power symptom:
Symptom: When the power button is pressed, nothing happens, power indicator
is not light up.
No Power
Check Adapter is good
Yes
Replace Bios Correct it
ok?
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.15 CD-ROM drive test error
An error message is shown when reading data from CD-ROM drive
CD-ROM driver test error
Yes
Check BIOS
Correct it
Setup OK?
No
Try another known good CD-ROM
Yes Replace the faulty parts
Re-boot ok?
No
Replace motherboard
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Chapter 6 Troubleshooting Guidelines
6.16 Stopping in LCD screen while booting
Stop in LCD Screen while
booting
1.Try another known good CD-ROM
2. Try another known good HDD
3. Try another known good CPU
4.. Thermal modle deformation
Yes
Yes
Replace Bios ok?
Correct it
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.17 PCMCIA Card Bus failure
Symptom : when insert PCMCIA card to PCMCIA slot, but system can't
detect.
PCMCIA card failure
Insert PCMCIA card completely again,
make sure good connection.
Yes
Check drive & Correct it
controller install OK?
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.18 Modem failure
Modem Failure
Check Driver install & No
Correct it
Telephone Line is OK?
Yes
Yes
Replace another
known good Modem Correct it
board
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.19 LAN failure
Symptom: When cannot detect Network Adapter device and can't enter internet.
LAN failure
1. Check Network Adapter Device in Windows XP if it is properly
Installed (including driver)
2. Setup Network Connections in Windows XP
3. Reinsert LAN cable.
Yes
Correct it
Re-test Ok??
No
Replace Motherboard
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Chapter 6 Troubleshooting Guidelines
6.20 TV Out failure
TV Out failure
2. Check Display adapter Device in Windows XP if it is properly
installed(including driver)
3. Check S-Vedio cable if is properly insert TV
4. Setup display properties to select TV in Windows XP
Yes
Correct it
Re-test Ok??
No
Replace Motherboard
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