Extensa 4420 / 4120 User's Guide EN
Page 14
... rain or moisture. • Do not spill water or any of the following: • Use the Windows shutdown command Click on Start then click on Shut Down. • Use the power button You can also put the computer in should not exceed the fuse rating. Carefully route the power cord and... current rating of all equipment plugged into a single wall outlet should not exceed the ampere rating of the cord if you are some ways to shut down the computer. Taking care of your AC adapter: • Do not connect the adapter to any cables away from foot traffic. • When unplugging...
... rain or moisture. • Do not spill water or any of the following: • Use the Windows shutdown command Click on Start then click on Shut Down. • Use the power button You can also put the computer in should not exceed the fuse rating. Carefully route the power cord and... current rating of all equipment plugged into a single wall outlet should not exceed the ampere rating of the cord if you are some ways to shut down the computer. Taking care of your AC adapter: • Do not connect the adapter to any cables away from foot traffic. • When unplugging...
Extensa 4420 / 4120 User's Guide EN
Page 69
...your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. The AC adapter or a power outlet is available. 1. Shut down the operating system to the mains power supply. 2. Save all applications. 3. Plug the AC adapter into the computer, and then connect to ...turn off the computer. Turn off the computer if you want to turn off the computer. 4. Replace the battery pack. 5. Shut down the operating system to recharge the battery rapidly. Close all necessary files. 2. When the battery-low warning appears, the recommended course ...
...your situation: Situation Recommended Action The AC adapter and a power outlet are available. 1. The AC adapter or a power outlet is available. 1. Shut down the operating system to the mains power supply. 2. Save all applications. 3. Plug the AC adapter into the computer, and then connect to ...turn off the computer. Turn off the computer if you want to turn off the computer. 4. Replace the battery pack. 5. Shut down the operating system to recharge the battery rapidly. Close all necessary files. 2. When the battery-low warning appears, the recommended course ...
Extensa 4420 / 4120 User's Guide EN
Page 70
...the computer again, unlatch and open the display; If you are taking the computer to a client's office or a different building, you may choose to shut down the computer. 4 Close the display cover. 5 Disconnect the cord from your computer. Moving around or traveling with your office desk to a meeting room.... To bring the computer out of Sleep mode, open files. 2 Remove any media, floppy disks or compact disks from the drive(s). 3 Shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off. then press and release the power button. Then close and latch...
...the computer again, unlatch and open the display; If you are taking the computer to a client's office or a different building, you may choose to shut down the computer. 4 Close the display cover. 5 Disconnect the cord from your computer. Moving around or traveling with your office desk to a meeting room.... To bring the computer out of Sleep mode, open files. 2 Remove any media, floppy disks or compact disks from the drive(s). 3 Shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off. then press and release the power button. Then close and latch...
Extensa 4420 / 4120 User's Guide EN
Page 75
... BIOS utility at boot-up . • Type the Supervisor Password and press to enter a password. Press and hold the power button for four seconds to shut down the computer.
... BIOS utility at boot-up . • Type the Supervisor Password and press to enter a password. Press and hold the power button for four seconds to shut down the computer.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...describing the problem appears onscreen. Incorrect password is listed first. CPU BIOS Update Code Mismatch 2. Battery Critical Low In this situation BIOS will shut down the system, no message will show . If the symptom is not listed, see "Undetermined Problems" on black background). POST Error ...you determine the next possible FRU to correct the error. Thermal Critical High In this situation BIOS will issue four short beeps, then shut down the system, no message will show . These text messages are displayed in the Setup Utility menus, reboot the computer, enter ...
...describing the problem appears onscreen. Incorrect password is listed first. CPU BIOS Update Code Mismatch 2. Battery Critical Low In this situation BIOS will shut down the system, no message will show . If the symptom is not listed, see "Undetermined Problems" on black background). POST Error ...you determine the next possible FRU to correct the error. Thermal Critical High In this situation BIOS will issue four short beeps, then shut down the system, no message will show . These text messages are displayed in the Setup Utility menus, reboot the computer, enter ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 83
... BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization Check...
... BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization Check...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... page 67. LCD cable Inverter board LCD panel System board Inverter board LCD-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Battery won't charged Action in Sequence Run the Setup Utility, then press F9 to the "Power System...
... page 67. LCD cable Inverter board LCD panel System board Inverter board LCD-CCD cable LCD panel System board Power-related Symptoms Symptom/Error Power shuts down during operation The system won 't power off. Battery won't charged Action in Sequence Run the Setup Utility, then press F9 to the "Power System...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 91
... one at a time. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. Shut down the computer. 2. This may be a failure to isolate the failing FRU (do not isolate non-defective FRU). 1. If any problems are... those for damage. Undetermined Problems Undetermined problems 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/...
... one at a time. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. Shut down the computer. 2. This may be a failure to isolate the failing FRU (do not isolate non-defective FRU). 1. If any problems are... those for damage. Undetermined Problems Undetermined problems 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/...