IFL90 Service Manual
Contents
1. If the problem still exists perform Check 5 Check 5 Replace the CPU with another of the same specifications If the problem still exists perform Check 6 e Check 6 The system board may be damaged Replace it with a new one IFL90 Service Manual 5 Keyboard Troubleshooting START Perform external keyboard check Procedure 1 p Does the external keyboard function ok Yes Y Perform diagnostic check Procedure 2 No Y Keyboard is not Was a keyboard faulty Continue _ problem detected No troubleshooting refer to Figure 2 1 Yes J Perform connector and replacement check Procedure 3 Replace system board Figure 6 4 Keyboard troubleshooting process 1 13 IFL90 Service Manual _ _ _ _ E a _ A To determine if the computer s keyboard is functioning properly perform the following procedures Figure 6 5 outlines the process Start with Procedure 1 and continue with the other procedures as instructed e Procedure 1 External keyboard check e Procedure 2 Diagnostic check e Procedure 3 Connector and replacement check 5 1 Procedure 1 External keyboard check Connect a USB keyboard to one of the computer s keyboard mouse ports then boot the computer The computer automatically detects the external keyboard If the external keyboard works correctly the internal keyboard or its connections may be faulty2. e Check 2 Make sure that the battery cable is firmly connected to the system board If it is connected firmly go to Check 3 e Check 3 The system board may be damaged Replace it with a new one following the instructions in Chapter 4 1 9 IFL90 Service Manual 4 Display Troubleshooting START Perform external display check Procedure 1 Does the external display function ok No Y Perform diagnostic check Procedure 2 Display is not Was a display faulty Continue _ problem detected No troubleshooting refer to Figure 2 1 Yes J Perform connector and replacement check Procedure 3 Replace system board Figure 6 3 Display troubleshooting process 1 10 IFL90 Service Manual e a aei This section describes how to determine if the computer s display is functioning properly The process is outlined in Figure 6 3 Start with Procedure 1 and continue with the other procedures as instructed e Procedure 1 External display check e Procedure 2 Diagnostic check e Procedure 3 Connector and replacement check 4 1 Procedure 1 External display check Connect an external display to the computers external monitor port then boot the computer The computer automatically detects the external display Press Fn F5 to switch to the external display If the external display works correctly the internal LCD may be damaged Go to Procedure 3
3. 1 5 IFL90 Service Manual qx _ gt gt __ The power supply controls many functions and components To determine if the power supply is functioning properly start with Procedure 1 and continue with the other Procedures as instructed The flowchart in Figure 6 2 gives a summary of the process The procedures described in this section are e Procedure 1 Power status check e Procedure 2 Adaptor battery replacement e Procedure 3 Power supply connection check e Procedure 4 Diagnostic check e Procedure 5 Internal connection check 3 1 Procedure 1 Power Status Check The following LEDs indicate the power supply status Battery LED The power supply controller displays the power supply status through the Battery and the POWER LEDs as listed in the tables below Table 2 1 Battery LED Battery State LED colors Definition Charging blue blinking Battery charging with AC blue solid on Battery fully charged by AC color off Battery abnormal stop charging with AC Bad cell Overheated Discharging red blinking Battery within low state 12 minutes remaining LED on for 1 second every 4 seconds red blinking Battery within critical low state 3 minutes LED on 1 second remaining The system is protected and cannot be every 2 seconds re powered on without the AC power connected Red solid on Battery not in low or critical low state in discharging state 1 6 IFL90 Service Manual ee Table 2
4. e Procedure 5 Connection and replacement check 10 1 Procedure 1 Audio CD check First insert an audio CD into the CD DVD drive If it works the problem is not with the drive Go to Procedure 3 If the audio CD does not work go to Procedure 2 If the CD DVD LED on the front panel does not light when the disc is played and the drive gives no response go straight to Procedure 3 10 2 Procedure 2 Drive cleaning check Insert a CD DVD drive cleaning disk into the drive clean according to the drive cleaning product instructions If the problem persists go to Procedure 3 10 3 Procedure 3 Software check Ensure that the appropriate driver has been installed on the computer for the CD DVD drive 10 4 Procedure 4 Diagnostic test The CD ROM DVD ROM test program stored in the Diagnostics Disk will test the drive s ability to play an audio CD as well as the functions of the CD control buttons If any errors occur while executing the diagnostic program go to Procedure 5 1 25 IFL90 Service Manual 10 5 Procedure 5 Connection check and replacement check 1 26 The DVD ROM drive or the CD RW DVD ROM drive connects to the system board The drive may be disconnected or the drive or system board may be damaged Replacement Procedures and perform the following checks e Check 1 Make sure the drive is firmly connected to the system board If the connection is good and there is still an error go to Check 2 e Che
5. the source of a wireless LAN fault Any of these components may be damaged To determine if the computer s wireless LAN system is functioning properly perform the following procedures Figure 2 15 outlines the process Start with Procedure 1 and continue with the other procedures as instructed e Procedure 1 Diagnostic test Procedure 2 Connector and replacement check 13 1 Procedure 1 Diagnostic test Run the Diagnostic Program which will automatically execute the wireless LAN test Refer to Chapter 3 Tests and Diagnostics for more information on the program If an error is located go to Procedure 2 If an error is not located the wireless LAN system is functioning properly e Check 1 Make sure the wireless select switch installed in your installed programs e Check 2 press keyboard Fn F2 make sure wireless is enable If the program persist go to Procedure 13 2 Procedure 2 Connector and replacement check The wireless LAN antenna wireless LAN unit or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks e Check 1 Make sure that the wireless LAN antenna is firmly connected to the wireless LAN unit refer to Chapter 4 for instructions and that the wireless LAN unit is securely slotted into the system board If the problem persists go to Check 2 e Check 2 Check that the wireless comm
6. FPC to the system board Make sure the Fingerprint FPC cable is firmly connected to the Fingerprint and system board Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks If any of the connections are loose reconnect firmly If any of the connections is damaged or there is still an error go to Procedure 2 14 2 Procedure 2 Fingerprint replacement check The Fingerprint unit or FPC may be defective or damaged 1 35
7. IN input socket is loose go to Procedure 5 If it is not loose go to Check 4 e Check 4 Use a multimeter to make sure that the AC adaptor output voltage is close to 19 V If the output is several percent lower than 19 V go to Check 5 If the output is close to 19 V go to Check 6 Check 5 Connect a new AC adaptor or AC power cord If the battery LED does not light go to Check 6 e Check 6 Make sure the battery pack is installed in the computer correctly If the battery is properly installed and the battery LED still does not light go to Procedure 4 3 4 Procedure 4 Diagnostic check The power supply may not charge the battery pack Perform the following procedures e Reinstall the battery pack 1 8 IFL90 Service Manual en aa i Attach the AC adaptor and turn on the power If you cannot turn on the power go to Procedure 5 e Run the Diagnostic test following the procedures described Tests and Diagnostics If no problem is detected the battery is functioning normally 3 5 Procedure 5 Replacement check The system board may be disconnected or damaged Disassemble the computer following the steps described Replacement Procedures Check the connection between the AC adaptor and the system board After checking the connection perform Check 1 e Check 1 Use a multimeter to make sure that the fuses on the system board are not blown If a fuse is not blown go to Check 2 If a fuse is blown go to Check 3
8. If the external monitor appears to have the same problem as the internal monitor the system board may be damaged Go to Procedure 2 4 2 Procedure 2 Diagnostic check The Display Test program is stored on the computer s Diagnostics disk This program checks the display controller on the system board Insert the Diagnostics disk in the computer s floppy disk drive turn on the computer and run the test Refer to Chapter 3 Tests and Diagnostics for details If an error is detected go to Procedure 3 If an error is not detected the display is functioning properly 4 3 Procedure 3 Connector and replacement check The FL inverter board LCD module and system board are connected to the display circuits Any of these components may be damaged Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks e Check 1 Make sure the DDRRAM module is seated properly Test display again If the problem still exits replace the DDRRAM module If the problem still exists perform check 2 IFL90 Service Manual HE _ ss e Check 2 Replace the FL inverter board with a new one and test display again If the problem still exists perform Check 3 e Check 3 Replace the LCD module with a new one and test display again If the problem still exists perform Check 4 e Check 4 Replace the LCD FL cable with a new one and test display again
9. new one 9 3 Procedure3 Connection check Disassemble the computer following the steps described Replacement Procedures and make sure the speaker cable is firmly connected to the system board If the stereo speakers are still not functioning properly go to Procedure 4 9 4 Procedure 4 Replacement Check If the stereo speakers don t sound properly the stereo speakers may be defective or damaged Replace them with new ones If the stereo speakers still do not work properly 1 23 IFL90 Service Manual 10 CD ROM DVD Troubleshooting START v Perform audio CD check Procedure 1 i i Perform drive Audio CD functions ok gt No gt cleaning check Procedure 2 Yes y Perform software check Procedure 3 Y Perform diagnostic test Procedure 4 AA Y mk Perform connection and replacement check Procedure 5 y A sene p Replace system board END Figure 6 9 CD ROM DVD drive troubleshooting process 1 24 IFL90 Service Manual pe a a This section describes how to determine if the computer s internal DVD ROM drive or CD RW DVD ROM drive is functioning properly Figure 6 9 outlines the process Perform the steps below starting with Procedure 1 and continue with the other procedures as required e Procedure 1 Audio CD test e Procedure 2 Drive cleaning check e Procedure 3 Software check Procedure 4 Diagnostic test
10. 2 POWER LED Power supply status POWER LED System Power On LED is solid blue blue Solid on System Suspended Blue blinking System Power Off To check the power supply status install a battery pack and connect an AC adaptor to the DC IN port on the computer and to a power supply If the Battery LED are not lit go to Procedure 2 3 2 Procedure 2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 Check 1 Connect a new AC adaptor If the problem is not resolved go to Check 2 Check 2 Insert a new battery If the problem is still not resolved go to Procedure 3 3 3 Procedure 3 Power supply connection check The power supply wiring diagram is shown below AC adaptor cord AC power cord AC J System Jp adaptor board oat A Any of the connectors may be disconnected Perform Check 1 1 7 IFL90 Service Manual _ eal e Check 1 Disconnect the AC power cord from wall outlet Check the power cable for breaks If the power cord is damaged connect a new AC power cord If there is no damage go to Check 2 e Check 2 Make sure the AC adaptor cord and AC power cord are firmly plugged into the DC IN socket AC adaptor inlet and wall outlet If these cables are connected correctly go to Check 3 e Check 3 Make sure that the DC IN input port socket is firmly secured to the system board of the computer If the DC
11. Chapter 6 Testing and Troubleshooting IFL90 Service Manual Testing and Troubleshooting The purpose of this chapter is to provide a systematic method of isolating problems you may have with the IFL90_91 series Notebook Computer We assume that you have a basic understanding of DOS based computer systems as well as knowledge of standard trouble shooting procedures This manual is written under the assumption that the problems are indeed related with Notebook itself The improper usage and application software problems are excluded in this chapter The system BIOS Beep Code is an integrated unit to detect some errors in the system board This beep code will give immediate identification of certain system board problems If the troubleshooting procedure is followed step by step it can efficiently isolate the problem and the problem can be solved easily PERFORM VISUAL INSPECTION Check the following Power cords are properly connected and secured e Power supply is adequate for operation e There are no obvious shorts or opens e There are no obviously burned or heated components e All components appear normal Troubleshooting Flowchart Use the flowchart in Figure 6 1 as a guide for determining which troubleshooting procedures to execute Before going through the flowchart steps verify the following e Ask the user if a password is registered and if it is ask him or her to enter the password e Verify with the customer th
12. Go to Procedure 2 If the external keyboard appears to have the same problem as the internal keyboard the system board may be damaged 5 2 Procedure 2 Diagnostic test Run the Diagnostic Program which will automatically execute the Keyboard Test Refer to Chapter 3 Tests and Diagnostics for more information on how to run the program If an error is located go to Procedure 3 If an error does not occur the keyboard is functioning properly 5 3 Procedure 3 Connector and replacement check The keyboard and or system board may be disconnected or damaged Replacement Procedures and perform the following checks e Check 1 Make sure the keyboard cable is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 2 If there is still an error go to Check 2 IFL90 Service Manual e Check 2 The keyboard may be damaged If the problem still exists perform Check 3 e Check 3 The system board may be damaged Replace it with a new one IFL90 Service Manual 6 External USB Devices Troubleshooting START connection check Procedure 1 Does the device function to Yes when connected toa different USB port Perform external device and Does an alternative USB _ Yes b Original USB device function correctly device is faulty No y Replace system board Procedure 2 y END Figure 6 5 External USB device troubleshooting proce
13. aged If the set does work perform Check 2 e Check 2 Try connecting a different television to the computer If the replacement television works the original set may be damaged If the replacement set does not work the system board may be damaged IFL90 Service Manual 8 Touch Pad Troubleshooting START Fi pS Touch Pad connection check Procedure 1 Touch Pad replacement check Procedure 2 Replace system board Figure 6 7 Touch Pad troubleshooting process 1 20 IFL90 Service Manual rr To determine if the computer s built in Touch Pad is functioning properly perform the following procedures Figure 6 7 outlines the process Start with Procedure 1 and continue as instructed e Procedure 1 Touch Pad connection check e Procedure 2 Touch Pad replacement check 8 1 Procedure 1 Touch Pad connection check The Touch Pad is connected by the Touch Pad FPC to the system board Make sure the Touch Pad FPC cable is firmly connected to the Touch Pad and system board Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks If any of the connections are loose reconnect firmly If any of the connections is damaged or there is still an error go to Procedure 2 8 2 Procedure 2 Touch Pad replacement check The Touch Pad unit or FPC may be defective or damaged 1 21 IFL90 Service Manual 9 Speaker Troubleshooting START Perfo
14. at VISTA64 is installed on the hard disk Operating systems that were not preinstalled by Compal can cause the computer to malfunction Make sure all optional equipment is removed from the computer Make sure the floppy disk drive is empty 1 1 IFL90 Service Manual START Y Connect the AC adapter to the DC IN socket PES ama Perform the Power Supply IstheDC INLEDon _ No Troubleshooting procedures in eee 7 section 6 2 Yes ae jm Perform the Power Supply lIstheBateyLEDon No Troubleshooting procedures in FEER ee rele section 6 2 Yes y Turn the Power switch on Yes ae ee Perform the Power Supply lIsthePowerOnLEDon gt No Troubleshooting procedures in A A section 6 2 Yes eS as AR A Perform the Display Isthelogo message display _ No Troubleshooting procedures in a ae section 6 3 Yes y If the password message displays type the password then press Enter Y X Is Windows being loaded Me No gt Perform diagnostics program Yes y Figure 6 1 Troubleshooting flowchart 1 2 IFL90 Service Manual Pea Perform the keyboard Does typed characters appear correctly No gt Troubleshooting procedures ee aa in section 6 5 L y Insert the diagnostics disk into FDD Then run the diagnostics test program v Yes E l it
15. ck 2 The drive or drive cable may be defective or damaged Replacement Procedures If the drive is still not functioning properly perform Check 3 e Check 3 The system board may be damaged IFL90 Service Manual 11 Modem Troubleshooting Y Perform telephone line connection check Procedure 1 Y Check replace Yes telephone line and connections Computer unable to detect telephone signal No Yy Perform connection check Procedure 2 v Perform replacement check Procedure 3 Y Replace system board Figure 6 10 Modem troubleshooting process 1 27 IFL90 Service Manual HE E E E E EEEEEEEEEEEEEEEEEEEE This section describes how to determine if the computer s modem is functioning properly Figure 6 10 outlines the process Perform the steps below starting with Procedure 1 and continuing with the other procedures as required e Procedure 1 Telephone line connection check e Procedure 2 Modem card connection check e Procedure 3 Modem card replacement check 11 1 Procedure 1 Telephone line connection check The telephone cable may be damaged or the connections may be loose Attempt to connect the computer to a network through using the modem If the modem does not function at all go to Procedure 3 If the attempt fails because the computer detects no telephone signal the fault may be in the telephone cable the
16. ersists the system board may be damaged IFL90 Service Manual 7 TV Out Failure Troubleshooting START Y Perform TV connection check Procedure 1 Does replacement TV cable function properly Replace TV cable No o y Perform TV set check Procedure 2 J Use different TV TV functioning ok set Yes Y Replace system board ee END Figure 6 6 TV out troubleshooting process IFL90 Service Manual e a a i To determine if the computer s TV out port is functioning properly perform the following procedures Figure 6 6 outlines the process Start with Procedure 1 and continue as instructed e Procedure 1 TV connection check e Procedure 2 TV set check 7 1 Procedure 1 TV connection check The TV cable may be damaged or the connections may be loose Perform Check 1 e Check 1 Make sure TV cable is firmly plugged into both the TV set and the TV out port of the computer If the cable is connected correctly go to Check 2 e Check 2 Make sure the TV out port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 e Check 3 The TV cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 7 2 Procedure 2 TV set check The TV set may be faulty Perform Check 1 e Check 1 Try using the set for television reception If it does not work the set may be dam
17. es a Perform the FDD Isthediagnostics test loaded gt No gt Troubleshooting procedures ae lt in section 6 4 T Yes Allow each test to perform automatically a 7 Is anerror detected by any of the i diagnostics tests After confirming which diagnostics test has detected Yes an error perform the appropriate procedure as outlined below No Y System is normal A AA id End Figure 6 1 Troubleshooting flowchart 2 2 IFL90 Service Manual _ _ If the diagnostics program cannot detect an error the problem may be intermittent The test program should be executed several times to isolate the problem When a problem has been located perform the appropriate troubleshooting procedures as follows e If an error is detected by the main battery test perform the Power Supply Troubleshooting procedures in Section 6 2 e If an error is detected by the display test perform the Display Troubleshooting procedures in Section 6 3 e lfan error is detected by the keyboard test perform the Keyboard e Troubleshooting procedures in Section 6 4 e Ifan error is detected when using an external USB device perform the External e USB Devices Troubleshooting procedures in Section 6 5 e If an error is detected when using the TV out connection perform the TV Out Failure Troubleshooting procedures in Section 6 6 e If an error is detected when using the touch pad perf
18. ess card player is functioning properly The process is summarized in Figure 6 11 Perform the steps below starting with Procedure 1 and continuing with the other procedures as required e Procedure 1 express card test e Procedure 2 express socket replacement check Procedure 1 Express card test The Express test card contains a express test program Ensure the card in fully inserted into the socket before running the program If an error occurs during the express test perform Procedure 2 If no error occurs it is likely the that original PC card was faulty Procedure 2 express card socket replacement check The express card socket may be damaged or defective for instance the socket pins can be bent Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and replace the socket If the problem persists the system board may be defective or damaged IFL90 Service Manual 13 Wireless LAN Troubleshooting START Perform diagnostic test Procedure 1 Wireless LAN lt Was an wireless LAN problem delected No system is not faulty Yes Y replacement check Perform connector and Procedure 2 v Replace wireless LAN antenna unit Y Replace system board END Figure 6 12 Wireless LAN troubleshooting process 1 31 IFL90 Service Manual MMM The wireless LAN antenna wire wireless LAN unit or system board may each be
19. orm the Touch Pad Troubleshooting procedures in Section 6 7 e If an error is detected when using the speakers perform the Speaker Troubleshooting procedures in Section 6 8 e If an error is detected when using the CD DVD drive perform the CD ROM DVD Drive Troubleshooting procedures in Section 6 9 e If an error is detected when using the modem perform the Modem Troubleshooting procedures in Section 6 10 e If an error is detected when using the Express card unit perform the Express card Troubleshooting procedures in Section 6 11 e Jf an error is detected when using the Wireless LAN unit perform the Wireless LAN Troubleshooting procedures in Section 6 12 e If an error is detected when using the Fingerprint function unit perform the Fingerprint function Troubleshooting procedures in Section 6 13 1 4 IFL90 Service Manual 3 Power Supply Troubleshooting START Check Power Supply Status Procedure 1 Are the DC IN and N Replace adaptor battery Battery LEDs lit E Procedure 2 i y Check power supply connections Procedure 3 Can you turn the Run diagnostic program computer on es Procedure 4 No a Y Perform internal connection No gt check Procedure 5 _ Are the internal power connections secure _ l 4 Y Replace system board Figure 6 2 Power Supply Troubleshooting Process
20. rm audio source test Procedure 1 d ng Speakers are not Do all sources have m faulty Continue same problem troubleshooting see Figure 2 1 l y Perform earphone test Procedure 2 Do earphones function correctly Yes Y Perform connection check Procedure 3 Perform replacement check Procedure 4 Figure 6 8 Speaker troubleshooting process 1 22 IFL90 Service Manual E EEE To determine if the computer s built in speakers are functioning properly perform the following procedures Figure 6 8 outlines the process First adjust the speaker volume to an appropriate level Start with Procedure 1 and continue as instructed e Procedure 1 Audio source test Procedure 2 Earphone test e Procedure 3 Connection check e Procedure 4 Replacement check e 9 1 Procedure 1 Audio source test Try different audio sources e g an audio CD and digital music file to determine whether the fault is in the speaker system or not If not all sources have sound problems the problem is in the source devices If all have the same problem continue with Procedure 2 9 2 Procedure 2 Earphone test Connect a set if earphones or external speakers If these function correctly go to Procedure 3 If they do not function correctly the system board may be defective or damaged Replace it with a
21. ss IFL90 Service Manual ee To determine if the computer s external USB devices are functioning properly perform the following procedures Figure 6 5 outlines the process Start with Procedure 1 and continue as instructed e Procedure 1 External device and connection check e Procedure 2 Replace system board 6 1 Procedure 1 External device and connection check The USB device may be damaged or the connection may be faulty Perform Check 1 e Check 1 Make sure USB device cable is firmly plugged into one of the USB sockets If the cable is connected correctly go to Check 2 e Check 2 Plug the USB device into another USB socket there are three in all If the USB device still does not work go to Check 4 If the device functions correctly when connected to another USB port go to Check 3 e Check 3 Make sure that the USB socket is firmly secured to the system board of the computer If the malfunction remains the system board may be damaged Go to Procedure 2 e Check 4 Connect an alternative USB device to one of the computer s USB ports and then boot the computer The computer automatically detects the external device If the alternative USB device works correctly the original device may be damaged and should be replaced If the alternative USB device appears to have the same problem as the original device the system board may be damaged Go to Procedure 2 6 2 Procedure 2 Replace system board If the error p
22. unication switch is turned to On then make sure that the wireless communication LED on the front panel is lit 1 32 IFL90 Service Manual pea If the LED is lit but the wireless LAN function is still faulty the antenna may be damaged Replace with a new antenna following the steps in Chapter 4 Replacement Procedures If the problem persists or if the wireless LAN LED is not lit when the wireless communication switch is turned to On go to Check 3 e Check 3 The wireless LAN unit may be damaged Replace it with a new one following the instructions in Chapter 4 If the problem still exists perform Check 4 e Check 4 The system board may be damaged Replace it with a new one following the instructions in Chapter 1 33 IFL90 Service Manual 14 Fingerprint function Troubleshooting Fingerprint connection check Procedure 1 Fingerprint replacement check Procedure 2 Replace system board Figure 6 13 Fingerprint troubleshooting process 1 34 IFL90 Service Manual EF __ _ um _ To determine if the computer s built in fingerprint is functioning properly perform the following procedures Figure 6 13 outlines the process Start with Procedure 1 and continue as instructed e Procedure 1 fingerprint connection check e Procedure 2 fingerprint replacement check 14 1 Procedure 1 Fingerprint connection check The Fingerprint is connected by the Fingerprint
23. wall socket or the modem port Perform Check 1 e Check 1 Make sure telephone cable is firmly plugged into both the telephone wall socket and the modem port of the computer If the cable is connected correctly go to Check 2 e Check 2 Make sure the modem port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 e Check 3 The telephone cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 11 2 Procedure 2 Modem card connection check Disassemble the computer following the steps described Replacement Procedures and ensure that the modem card is well connected to the system board If the problem persists perform Procedure 3 11 3 Procedure 3 Modem replacement check The modem card or RJ 11 jack may be faulty Try replacing them If the problem persists the system board may be defective or damaged Replace the System Board with a new one following the steps Replacement Procedures 1 28 IFL90 Service Manual 12 Express card Troubleshooting START Perform express card test procedure 1 Do errors occur during express cerd test express card unit is not faulty Perform express card socket replacement check Precedure 2 replace system board Figure 6 11 Express card troubleshooting process 1 29 IFL90 Service Manual _ _ 12 1 12 2 1 30 This section describes how to determine if the expr
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