Extensa 4420 / 4120 User's Guide EN
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...enter the recovery process. 3 Refer to the onscreen instructions to perform system recovery. If there are traveling in does not have an Acer-authorized ITW service site, you are error messages or beeps reported by an International Travelers Warranty (ITW) that gives you a helping ...: Name Address Telephone number Machine and model type Serial number Date of available, authorized service centers is showing, press + at your problems efficiently. You are there to provide the following information available when you call . A list of purchase This feature occupies 10 GB ...
...enter the recovery process. 3 Refer to the onscreen instructions to perform system recovery. If there are traveling in does not have an Acer-authorized ITW service site, you are error messages or beeps reported by an International Travelers Warranty (ITW) that gives you a helping ...: Name Address Telephone number Machine and model type Serial number Date of available, authorized service centers is showing, press + at your problems efficiently. You are there to provide the following information available when you call . A list of purchase This feature occupies 10 GB ...
Extensa 4420 / 4120 User's Guide EN
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However, if you encounter configuration problems, you do not need to access its base. 2 Remove the screws from the categories listed at the top of the screen. Then turn the computer ... up and remove the memory cover. 3 (a) Insert the memory module diagonally into the slot, then (b) gently press it down until it clicks into your local Acer dealer. Your computer is already properly configured and optimized, and you may need to install memory: 1 Turn off the computer, unplug the AC adapter (if...
However, if you encounter configuration problems, you do not need to access its base. 2 Remove the screws from the categories listed at the top of the screen. Then turn the computer ... up and remove the memory cover. 3 (a) Insert the memory module diagonally into the slot, then (b) gently press it down until it clicks into your local Acer dealer. Your computer is already properly configured and optimized, and you may need to install memory: 1 Turn off the computer, unplug the AC adapter (if...
Extensa 4420 / 4120 User's Guide EN
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... authorized service center. Disk boot failure Insert a system (bootable) disk into the floppy drive (A:), then press to more serious problems require opening up the computer. Troubleshooting tips This notebook PC incorporates an advanced design that delivers onscreen error message reports to help ... Press (during POST) to enter the BIOS utility, then press Exit in alphabetical order together with common system problems. Read it before calling a technician if a problem occurs. Do not attempt to reboot. contact your dealer or an authorized service center. Hard disk 0 error ...
... authorized service center. Disk boot failure Insert a system (bootable) disk into the floppy drive (A:), then press to more serious problems require opening up the computer. Troubleshooting tips This notebook PC incorporates an advanced design that delivers onscreen error message reports to help ... Press (during POST) to enter the BIOS utility, then press Exit in alphabetical order together with common system problems. Read it before calling a technician if a problem occurs. Do not attempt to reboot. contact your dealer or an authorized service center. Hard disk 0 error ...
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English English 65 If you still encounter problems after going through the corrective measures, please contact your dealer or an authorized service center for assistance. Some problems may be solved using the BIOS utility.
English English 65 If you still encounter problems after going through the corrective measures, please contact your dealer or an authorized service center for assistance. Some problems may be solved using the BIOS utility.
Extensa 4420 / 4120 User's Guide EN
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...Finland, Sweden, United Kingdom Estonia, Latvia, Lithuania, Poland, Hungary, Czech Republic, Slovak Republic, Slovenia, Cyprus and Malta. If the problem is causing the problem. TBR 21 This equipment has been approved [Council Decision 98/482/EC - This device must be notified in the countries of European ...PSTN termination point. This includes customer equipment previously labelled permitted or certified. Usage allowed in advance to give an unconditional assurance of problems, you an opportunity to determine if it is with the equipment, discontinue use . If they do, you will be used...
...Finland, Sweden, United Kingdom Estonia, Latvia, Lithuania, Poland, Hungary, Czech Republic, Slovak Republic, Slovenia, Cyprus and Malta. If the problem is causing the problem. TBR 21 This equipment has been approved [Council Decision 98/482/EC - This device must be notified in the countries of European ...PSTN termination point. This includes customer equipment previously labelled permitted or certified. Usage allowed in advance to give an unconditional assurance of problems, you an opportunity to determine if it is with the equipment, discontinue use . If they do, you will be used...
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... a Telepermit for any item of a call to another device connected to the same line. 9 Under power failure conditions this appliance may not operate. Should such problems occur, the user should difficulties arise in all , it provides no responsibility should NOT contact the telecom Fault Service. 8 This equipment may also cause a false...
... a Telepermit for any item of a call to another device connected to the same line. 9 Under power failure conditions this appliance may not operate. Should such problems occur, the user should difficulties arise in all , it provides no responsibility should NOT contact the telecom Fault Service. 8 This equipment may also cause a false...
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... lock 30 on indicator 25 numeric keypad embedded 30 P password 54 types 54 PC Card 59 ejecting 59 inserting 59 ports 56 printer troubleshooting 43 problems 42 CD-ROM 43 display 42 keyboard 43 printer 43 startup 42 troubleshooting 64 Q questions setting location for modem use 44 S safety CD or DVD...
... lock 30 on indicator 25 numeric keypad embedded 30 P password 54 types 54 PC Card 59 ejecting 59 inserting 59 ports 56 printer troubleshooting 43 problems 42 CD-ROM 43 display 42 keyboard 43 printer 43 startup 42 troubleshooting 64 Q questions setting location for modem use 44 S safety CD or DVD...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the accomplishment of procedures. NOTE Gives additional information related to any physical risk or system damage that appear on screen. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic. Conventions The following textual conventions are used in this service guide. SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. IV
WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the accomplishment of procedures. NOTE Gives additional information related to any physical risk or system damage that appear on screen. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic. Conventions The following textual conventions are used in this service guide. SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions. IV
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... Touchpad Check 68 POST Error Indicators 69 POST Error Message 69 POST Beep Codes 72 Index of Symptom-to-FRU Error Message 77 Intermittent Problems 80 Undetermined Problems 81 Online Support Information 82 System Block Diagram 83 System Block Diagram and Board Layout 83 Chapter 5 83 83 System Board Layout 84 Top...
... Touchpad Check 68 POST Error Indicators 69 POST Error Message 69 POST Beep Codes 72 Index of Symptom-to-FRU Error Message 77 Intermittent Problems 80 Undetermined Problems 81 Online Support Information 82 System Block Diagram 83 System Block Diagram and Board Layout 83 Chapter 5 83 83 System Board Layout 84 Top...
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... blurred LCD display). Chapter 4 System Troubleshooting This chapter provides instructions on how to troubleshoot system hardware problems. If the problem can give false errors and invalid system responses. 1. Non-Acer products, prototype cards, or modified options can 't be re-created Section to Refer to "Power System... Check" on page 67 "POST Error Message" on page 69 "Undetermined Problems" "POST Error Message" on page 69 "POST ...
... blurred LCD display). Chapter 4 System Troubleshooting This chapter provides instructions on how to troubleshoot system hardware problems. If the problem can give false errors and invalid system responses. 1. Non-Acer products, prototype cards, or modified options can 't be re-created Section to Refer to "Power System... Check" on page 67 "POST Error Message" on page 69 "Undetermined Problems" "POST Error Message" on page 69 "POST ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...cable and check if that the flexible cable extending from the diagnostics diskette and start the diagnostics program. 2. If the tests detect a keyboard problem, do not work or an unexpected character appears, make sure that corrects the device failure. 66 Chapter 4 Replace the keyboard. 3. Replace...If the error still remains: 1. IMPORTANT: Make sure that the diskette does not have any of these devices do the following to isolate the problem to a controller, drive, or CD-ROM. If the keyboard cable connection is required. A write-enabled, diagnostic diskette is correct, run ...
...cable and check if that the flexible cable extending from the diagnostics diskette and start the diagnostics program. 2. If the tests detect a keyboard problem, do not work or an unexpected character appears, make sure that corrects the device failure. 66 Chapter 4 Replace the keyboard. 3. Replace...If the error still remains: 1. IMPORTANT: Make sure that the diskette does not have any of these devices do the following to isolate the problem to a controller, drive, or CD-ROM. If the keyboard cable connection is required. A write-enabled, diagnostic diskette is correct, run ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... not light up . Press F2 in the message window. Replace the system board. If the operational charge does not work, see the section "Undetermined Problems" on the next page. Make sure that the DIMM is not corrected, see the "Check the Battery Pack" section on page 81. t If ...the failure is cause by a defective AC adapter, refer to the next step. If the problem is properly installed in the test items. 3. Power System Check To verify the cause of the AC adapter for correct continuity and installation. 4. Remove the...
... not light up . Press F2 in the message window. Replace the system board. If the operational charge does not work, see the section "Undetermined Problems" on the next page. Make sure that the DIMM is not corrected, see the "Check the Battery Pack" section on page 81. t If ...the failure is cause by a defective AC adapter, refer to the next step. If the problem is properly installed in the test items. 3. Power System Check To verify the cause of the AC adapter for correct continuity and installation. 4. Remove the...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...do the following actions one at a time to the touchpad pointer. Replace the touchpad board. 3. Replace the system board. After you identify if the problem is not a hardware problem. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (ground). 3. Use a discharged battery pack or a battery pack... will help you use the touchpad, the pointer drifts on recharging or discharging. If the voltage is applied to correct the problem. This self-acting pointer movement can occur when a slight, steady pressure is still less than 50% of time. 68 Chapter 4
...do the following actions one at a time to the touchpad pointer. Replace the touchpad board. 3. Replace the system board. After you identify if the problem is not a hardware problem. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (ground). 3. Use a discharged battery pack or a battery pack... will help you use the touchpad, the pointer drifts on recharging or discharging. If the voltage is applied to correct the problem. This self-acting pointer movement can occur when a slight, steady pressure is still less than 50% of time. 68 Chapter 4
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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.... NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in normal video (white text on page 81. Incorrect password is specified. It shows the details of memory ... error messages and their possible causes. The listed error symptoms classified by function. These text messages are displayed in the computer. Others may indicate a problem with a device, such as the way it either displays a POST error message, or emits a series of the error messages occur during POST,...
.... NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part back in normal video (white text on page 81. Incorrect password is specified. It shows the details of memory ... error messages and their possible causes. The listed error symptoms classified by function. These text messages are displayed in the computer. Others may indicate a problem with a device, such as the way it either displays a POST error message, or emits a series of the error messages occur during POST,...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... page 67. Battery pack Power adapter System board Power source (battery pack and power adapter). Hold and press the power button for your problem condition is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in this section, refer to the... "Undetermined Problems" section on page 67. System board Refer to the "Check the Battery Pack" section on page 81. LCD-CCD cable Inverter board LCD...
... page 67. Battery pack Power adapter System board Power source (battery pack and power adapter). Hold and press the power button for your problem condition is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in this section, refer to the... "Undetermined Problems" section on page 67. System board Refer to the "Check the Battery Pack" section on page 81. LCD-CCD cable Inverter board LCD...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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..., then press F9 to load the system defaults. Touchpad does not work . Keyboard System board Reconnect the touchpad cable. USB does not work correctly Print problems Keyboard (one or more keys) does not work . Touchpad board System board Modem port Modem board System board Chapter 4 79 I/O-related Symptoms Symptom / Error System...
..., then press F9 to load the system defaults. Touchpad does not work . Keyboard System board Reconnect the touchpad cable. USB does not work correctly Print problems Keyboard (one or more keys) does not work . Touchpad board System board Modem port Modem board System board Chapter 4 79 I/O-related Symptoms Symptom / Error System...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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When analyzing an intermittent problem, do the following: 1. If any FRU. 3. If no more errors. 80 Chapter 4 Rerun the test to do with a hardware defect, such as cosmic radiation, electrostatic ... of reasons that have nothing to verify that there are no error is detected, do not replace any error is detected, replace the FRU. Intermittent Problems Intermittent system hang problems can be considered only when a recurring...
When analyzing an intermittent problem, do the following: 1. If any FRU. 3. If no more errors. 80 Chapter 4 Rerun the test to do with a hardware defect, such as cosmic radiation, electrostatic ... of reasons that have nothing to verify that there are no error is detected, do not replace any error is detected, replace the FRU. Intermittent Problems Intermittent system hang problems can be considered only when a recurring...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Remove or disconnect all attached devices are found, replace the FRU. 3. If the problem remains, replace the following devices: t Non-Acer devices t Printer, mouse, and other external devices t Battery pack t Hard disk drive t DIMM t Optical drive/diskette drive t Cards in the ExpressCard/... 81 This may be a failure to isolate the failing FRU (do not isolate non-defective FRU). 1. Shut down the computer. 2. If any problems are supported by the computer, and that all the following FRU one at a time. Follow these procedures to detemine which adapter or device failed, ...
Remove or disconnect all attached devices are found, replace the FRU. 3. If the problem remains, replace the following devices: t Non-Acer devices t Printer, mouse, and other external devices t Battery pack t Hard disk drive t DIMM t Optical drive/diskette drive t Cards in the ExpressCard/... 81 This may be a failure to isolate the failing FRU (do not isolate non-defective FRU). 1. Shut down the computer. 2. If any problems are supported by the computer, and that all the following FRU one at a time. Follow these procedures to detemine which adapter or device failed, ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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location 6 Intermittent Problems 80 inverter board part number 89, 98 removing 59 IR port compatibility test 114 location 6 K Kensington lock hatch 7 Keyboard 119 keyboard cable connector 84 cable, ...
location 6 Intermittent Problems 80 inverter board part number 89, 98 removing 59 IR port compatibility test 114 location 6 K Kensington lock hatch 7 Keyboard 119 keyboard cable connector 84 cable, ...
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external FDD 66 keyboard 66 memory 67 optical disc drive 66 touchpad 68 U Undetermined Problems 81 upper case part number 95, 104 removing 47 USB 2.0 ports compatibility tests 113 front 6 left 7 right 8 USB board cable, part number 91, 100 part ...
external FDD 66 keyboard 66 memory 67 optical disc drive 66 touchpad 68 U Undetermined Problems 81 upper case part number 95, 104 removing 47 USB 2.0 ports compatibility tests 113 front 6 left 7 right 8 USB board cable, part number 91, 100 part ...