Trouble Shooting.pdf

Computer Systems Division

CONFIDENTIAL

TroubleshootingNC10 (Winchester)

Computer System

R&D Group3

Computer & Internet Systems Division 2

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1. General Equipment1) Tool s us ed f or r epai r i ng t he pr oduct

- Sys t em Di agnos t i cs Di s k / MS- DOS Boot i ng Di s k - Sys t em Di agnos t i cs Car d - Scr ewdr i ver s ( ┼, )━ - Mul t i met er - Os ci l l os cope / Logi c Anal yzer

2) Repl aceabl e Uni t s ( FRU : Fi el d Repl aceabl e Uni t )

- DDR2 SODI MM Modul e- 2. 5” SATA HDD- SATA ODD – None.- Wi r el es s LAN Modul e / Bl uet oot h Modul e- MDC Modul e - None- Key Boar d- Sys t em Fan- Touch Pad- LCD Panel / LCD I nver t er ( None)- 1. 3M Camer a modul e- Mai n Boar d- Har nes s Cabl e- Touchpad FFC, MDC Cabl e ( None) , MDC Cabl e ( None) Bl uet oot h Cabl e, LCD Cabl e, Wi r el es s LAN

Ant enna 2 종 , Camer a cabl e, HSDPA Cabl e


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2. M ain Debugging Flowchart (1)


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3. H/W Troubleshooting (1) LCD Related Troubles

#1. The screen is dark or the colors of the screen are distorted.

1

Check the connection status

- LCD Module LCD Cable

- LCD Cable and Main board LCD Connector

- LCD Cable

Re- fixation Cable and Connector

2Replace the LCD cable Defectiveness confirmation

3

Check if there is a part of the LCD that is bent or broken due toimpact Replace the LCD


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#2. No picture appears on the screen.

1

Check the connection status.

- Check the connection of LCD cable of the LCD Module, the Main

board and the LCD connector.

- Checking the LCD cable connection

Re- fixation Cable and Connector

2Check if the System LED of the main board is blinking.

3Check if the memory module is out of order.

4Check if the Power button can be normally pressed.

Check operating or not


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#3. The LCD blinks while the system is in operation.

1

Check if there is a magnetic body near the touch pad button or the

system or check if there is an exterior defect to the LCD.

2LCD cable. Replace the new one.


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3. H/W Troubleshooting (4) Main System Related Troubles

#1. The system is not turned on.

1

Check if the AC adapter LED is lit and if the adapter is properly connected to the system.

Check the adapter LED.

2

If the AC adapter is not connected, check the charge status of the battery.

Even if the battery is charged, if the remaining battery charge is too low, the system may not be turned on.

Check the AC adapter connection or the remaining battery charge.

3

Check if there are any alien substances in the Power switch. if have, change the LED.

4 Replace Main Board. Check operating or not.


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#2. the system does not boot or immediately turns off after being turned on.

1Since this may be a short circuit in the system. Disconnect the power immediately, disassemble

the system and check if there are any conducting alien objects such asa screw inside.

2

Check the connection status between the CPU and the RHE.

3 Replace the memory module. Check if it is out of order.

4

RTC Reset. Check if it is out of order.

5Replace Main Board. Check if it is out of order.


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3. H/W Troubleshooting (6) Main System Related Troubles #3. Speaker doesn’t work.

1

Check if the sound is muted after booting up Windows. Fn + F6 (Mute cancellation)

2

Control panel confirmation. Speaker Setting.

3

Check the connection status of the speaker cable and check if the speaker is out of order.

4

Check if there is a magnetic object near the speaker.

5 Replace Main Board. Check if it is out of order.


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#4. I cannot hear sound through the headphones.

1

Check if the sound is muted after booting up Windows. Fn + F6 (Mute cancellation)

2

Control panel confirmation. Speaker Setting.

3

Turn the volume up.

Fn key volume adjustment.

4Check the Headphone jack.



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#5. external/Internal microphone does not work normally.

1

Check the audio driver settings and change them if necessary.

2

Check the connection status of the MIC connector and check if the speaker is out of order.

3

Check the Mic jack.



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#6. The HDD is not recognized.

1

Check the connection status of the HDD connector. fixup HDD, check whether the system can be found. if not,change the connectoron the motherboard and check again.

2

If the 'Operating system not found' message appears during the booting process even though the HDD is recognized by CMOS, the operating system of the HDD may be corrupted or the HDD is out oforder.

Format the HDD and reinstall the operating System.

Replace the HDD with a new one.


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#7. Touch Pad does not work normally.

1

Check the connection status of Touch Pad FFC.

2 Check the connection status of Touch Pad cable.

3Check the connection status of Touch Pad I/F B'D.

4Check the connection status of Touch Pad Module.

5Replace Touch- Pad Module.


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#8. Camera does not work normally.

1Check the driver status of Camera (Check the system manager)

2

Check the connection status of camera cable between Main board.

3

Check the connection status of camera cable between Camera module.

4 Replace Camera module. Check if it is out of order.



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#9. WLAN does not work normally.

1

Check the damage status of WLAN Cable. Replace WLAN Cable.

2

Check the driver status of WLAN. Replace WLAN module.

3

Check the damage status of WLAN Jack. Replace WLAN module.



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#10. Bluetooth does not work normally.

1

Check the connection status of Bluetooth cable between Main board.

2

Check the cutting status of Bluetooth cable and connector.

Replace Bluetooth cable.

3

Check the connection status of Bluetooth cable between Module.

4Replace Bluetooth Module. Check if it is out of order.


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3. H/W Troubleshooting (14) Main System Related Troubles #11. The Fan does not work normally.

1Check the system by using SAFC(Samsung Advanced Fan Control) program.

*Tool Program reference

2

Check the connection status of Heat sink. Screw fixation 4EA (Ref. chapter 3)

3

Check the connection status of FAN.

4 Replace FAN. Check if it is out of order.



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Other Symptoms #1. When boot i ng up t he comput erThe "Invalid System Disk. Replace the Disk and then press any key" message appears.

- This message may appear when the connected USB memory or CD media does not include bootable data.- The "Reboot and Select the proper Boot device or Insert a bootable media in the selected Boot device and press a key" message appears.- Check if the signal and power cables are properly connected to the hard disk drive.- Check if the hard disk drive is recognized in the BIOS SETUP.- The operating system on the hard disk drive is corrupted. Reinstall Windows.

The "To enter BIOS SETUP, press <F2>. To continue, press <F1>." message appears.

- This may happen when the BIOS settings are different from the system environment. In this case, setup the BIOS according to your system environment.

- Press <F2> to enter the BIOS SETUP.

- Check if the date and time are correct in the BIOS SETUP.

- Save the settings and restart the system.

The "CMOS Checksum error" message appears.

- This message may appear when the CMOS battery of the main board is completely discharged. In this case, replace the battery with a new one of the same type and set up the BIOS SETUP according to your system environment.

Windows boots up in safe mode. - This may happen when Windows was not shut down normally. Therefore, shut down the system by selecting Start > Turn Off Computer.

- This may happen when the system settings have been incompletely recognized.

- Run Check Disk.

I cannot boot up the computer with a USB floppy drive or from USB memory.

- Check if the diskette is bootable.

- This may happen when the booting priority of the device is low. In this case, change the booting priority in the BIOS SETUP.

3. H/W Troubleshooting (15)


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c #2. When s hut t i ng down t he comput eThe computer is not shut down. - If Windows does not end normally, you can forcibly shut down the system by

pressing the Power button. If the power- saving feature is activated on the Powerbutton, press the Power button for more than 4 seconds to turn the computer off. If the computer is then turned on again, Check Disk is automatically run.

The computer hangs while running a program. - If the running program causes an error: In Windows XP, press the <Ctrl>, <Alt> and <Del> key combination, select the application program and click on End Task in the Applications tab of the [Windows Task Manager] window. In Windows 2000, press <Ctrl>, <Alt> and <Del> at the same time to open the [Close Program] window, select a ‘No response’ item or a program with an error, and click End Task.- If Windows does not respond, restart the computer. Restart the computer by pressingthe Power button.

No picture is displayed on the external monitor.

- Press the Switch LCD/CRT Monitor function key and check if the screen outputis output to another display device.- Check if the hardware is out of order referring to the descriptions in the LCD related section of the Hardware Troubleshooting.

Connecting a USB device to the computer in standby mode.

- If a USB device is connected to the computer in standby mode, the screen may be abnormally displayed. You have to connect a USB device when the computer isoperating normally.

A USB device is not working normally when the computer returns from standby mode.

- In this case, separate and reconnect the USB device.

The picture is displayed abnormally when the computer running the Command Prompt (MS-DOS) enters standby mode and thenreturns from standby mode.

- Press the <Alt> and <Tab> key combination to display the picture on the screen

3. H/W Troubleshooting (16)


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Other Symptoms

3. H/W 및 OS 고 장 진 단 (17)

Adapter 용 량 표 시(40Watt)

Expected Troubles (If Standard Adapter is not used)

LCD Brightness control doesn't work

Check Standard Adapter(40watt for Winchester(NC10) )

LCD Blinking

Battery Charging doesn't work or Charging LED abnormal operation.

HDD recognition Fail

ODD Play Fail

Power shutdown unexpectedly


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► RTC Battery Reset Method

3. H/W Troubleshooting (Appendix 1)


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Bat t er y Us e Ti me

Check the following check lists for systems where the battery use time is too short to diagnose problems.

( 1) Check t he bat t er y Check if the battery is out of order referring to the Battery check program distributed to Service Centers and the 'Battery Check Manual' included in the 'Note- PC A/S Guide‘

1. Bat t er y Check Li s t

3. H/W & OS trouble shooting (Appendix2)


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3. H/W & OS trouble shooting (Appendix2)Cr i t er i a f or each of t he check l i s t s .


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3. H/W & OS trouble shooting (Appendix2)Bat t er y Check Pr ogr am


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► Sys t em Di agnos t i cs

1) Sys t em Di agnos t i cs Car dThe Diagnostics Card shows the system operations during the POST (Power On Self Test) in a 2 digit hexadecimal number by connecting the cable to the 10 pin connector below the PCMCIA slot after separating the Top part. The card is used to evaluate the reason for the malfunction without disassembling the system when the system malfunctions and to test if the system operates normally after replacing a defective FRU.

2) Debuggi ng CodeIn general, when circuit problems or inferior parts are found, the system in a specific code stops. The followings are error codes in each part of the system.

3. H/W Troubleshooting (Appendix 3)

POST_Code


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► How to check CPU fan

The Fan does not work normally.1. Check if the Thermal is locked tightly.2. Check if the Fan cable is properly connected.3. Fan change.

Item Mode rpm Design guidelineSPEC : ± 10%

FAN Voltage

OFF 0

1 2926 r pm

2 3234 r pm

3 3614 r pm

4 3964 r pm

3. H/W Troubleshooting (Appendix 4-1)


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CPU Fan Cont r ol - One can turn the fan on & off and check the fan's operational conditions without system disassembly

Pic (1) Fan off status Pic (2) Fan on status

- SAFC's default setting is "Fan off" or "Minimum Fan Speed". - Press "ON" in "ON/OFF Control" Fan is turned on to maximum fan speed. - Press "OFF" in "ON/OFF Control" Fan returns to default setting.

> Fan Voltage Measurement - Read Fan RPM indicated in SAFC. > Fan Voltage Pass/Fail determination - If Fan RPM satisfies "rpm spec +/- 10%", then Fan test is "PASS" .

3. H/W & OS trouble shooting (Appendix4-2)


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3. H/W Troubleshooting (Appendix 4-3)► How to check CPU fan


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► How to check CPU fan

3. H/W Troubleshooting (Appendix 4-4)

Basic M ode

(AC, Battery)

Lower Noise M ode

(Etiquette M ode)


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Memor y Upgr ade ( SODI MM DDR2 667MHz Max. 1GB) 1. Remove t he s cr ew on t he memor y compar t ment cover at t he bot t om of t he comput er us i ng a s cr ew dr i ver .

2. Pul l t he memor y modul e l at ches out war d. The memor y modul e wi l l pop up. Remove t he memor y modul e out at an angl e of 30 degr ees .

3. I ns er t Memor y modul e

4. H/W Upgrade (1)

Type 용량 Clock

DDR2 1Gbyte 667 MHz

※ Upgrade Spec


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Memor y Upgr ade ( SODI MM DDR2 667MHz Max. 1GB)

4. H/W Upgrade (1_2)

MEMORY

1105-001870 DDR2 667MHz, 1GByte, 128Mx64, SO- DIMM, 200P M470T2864QZ3

(Slot 1 개 만 사 용 가 능 ) Clock 용량 조합

667 MHz 1G 1G


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1) DOS Mode Updat e

Boot i ng Di s k - > Packi ng f i l e 복사 ( copy) - > DOS 로 부팅 - > BI OS Updat e : C: \ >phl as h16 / s / x / c / bbl XXXX. wph

MI COM Updat e : C: \ >up113a XXXX. bi n / f or ce Packi ng Fi l e : C: \ >XXXX. exe

( XXXX. exe f i l e can updat e bot h BI OS and MI COM)

2) Wi ndows Mode Updat e

Wi ndows Boot i ng - > Sams ung Updat e Pl us

3) BI OS Gui de

4) Del et e Pas s wor d

5. BIOS & M ICOM Update Set - up Met hod

BIOS_Setup


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6. Questions & Answers (1)

►Q&A (Display)


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6. Questions & Answers (1_1)

►Q&A (Display)


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►Q&A (Sound)


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►Q&A (Sound)


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►Q&A (Sound)


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►Q&A (Sound)


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►Q&A(LAN)


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►Q&A(WLAN)


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►Q&A(WLAN)


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►Q&A(WLAN)


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►Q&A(WLAN)


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►Q&A(WLAN)


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►Q&A (Game & Program)


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►Q&A (Game & Program)


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►Q&A (Bluetooth)


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►Q&A (Bluetooth)


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Diagnosis applicationClick “Open” to open Script file.

In case of Note PC, click TestScrip_NotePC_Bumin.xml.

7. Diagnostic program <Windiag>


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Diagnosis applicationAfter that, OperatorInterface shows the following scripts on the left of the display.



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Diagnosis applicationClick “Start” button, then test begins.



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7. Click “EXIT”, then it will be closed.

Diagnosis application 6. If you want to stop this, click “stop” button. If all modules don’t stop in 2 minutes 30 seconds, message window will ask you about a forced stop. At that time, by selecting “yes”, it can be ended by force.


Documents

Trouble Shooting.pdf