Extensa 4420 / 4120 User's Guide EN
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... change in performance, indicating a need to replace the power cord set . Refer all servicing to qualified service personnel. Product servicing Do not attempt to service this product from unexpected noise produced by other nearby electrical devices that may interfere with the performance of a new battery is damaged, cut or frayed • liquid...
... change in performance, indicating a need to replace the power cord set . Refer all servicing to qualified service personnel. Product servicing Do not attempt to service this product from unexpected noise produced by other nearby electrical devices that may interfere with the performance of a new battery is damaged, cut or frayed • liquid...
Extensa 4420 / 4120 User's Guide EN
Page 6
...than normal, buy a new battery. Do not short-circuit the battery. A device with Acer approved chargers designated for this device. Dispose of used batteries. Use only Acer approved batteries, and recharge your pocket or purse. Do not dispose of batteries in temperatures well below deck on...; or where blasting operations are often, but it may not work temporarily, even when the battery is left in progress. Replacing the battery pack The notebook uses lithium batteries. Wireless devices may also explode if damaged. Warning! Please recycle when possible. Areas with a...
...than normal, buy a new battery. Do not short-circuit the battery. A device with Acer approved chargers designated for this device. Dispose of used batteries. Use only Acer approved batteries, and recharge your pocket or purse. Do not dispose of batteries in temperatures well below deck on...; or where blasting operations are often, but it may not work temporarily, even when the battery is left in progress. Replacing the battery pack The notebook uses lithium batteries. Wireless devices may also explode if damaged. Warning! Please recycle when possible. Areas with a...
Extensa 4420 / 4120 User's Guide EN
Page 15
... cleaning the computer, follow these steps: 1 Turn off before removing or replacing batteries. • Do not tamper with batteries. Do not use liquid or aerosol cleaners. Recycle if possible. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth... "Frequently asked questions" on page 42. If either of the same kind as replacements. xv Taking care of your battery pack Here are some ways to take care of your battery pack: • Use only batteries of the following occurs: • the computer has been dropped or the body...
... cleaning the computer, follow these steps: 1 Turn off before removing or replacing batteries. • Do not tamper with batteries. Do not use liquid or aerosol cleaners. Recycle if possible. Turn the power off the computer and remove the battery pack. 2 Disconnect the AC adapter. 3 Use a soft, moist cloth... "Frequently asked questions" on page 42. If either of the same kind as replacements. xv Taking care of your battery pack Here are some ways to take care of your battery pack: • Use only batteries of the following occurs: • the computer has been dropped or the body...
Extensa 4420 / 4120 User's Guide EN
Page 62
... or boot up the "Display Properties" dialog box. Look at the power indicator: • If it with a system disk and press + + to resume. Remove or replace it is not lit, no power is in the external USB floppy drive? If you are provided for each one. Press + (increase) to adjust the.... • Make sure that the resolution is set the resolution lower than the specified resolution are not full-screen on the computer or on the battery, it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. Press the display toggle hotkey + to toggle the ...
... or boot up the "Display Properties" dialog box. Look at the power indicator: • If it with a system disk and press + + to resume. Remove or replace it is not lit, no power is in the external USB floppy drive? If you are provided for each one. Press + (increase) to adjust the.... • Make sure that the resolution is set the resolution lower than the specified resolution are not full-screen on the computer or on the battery, it is lit, check the following: • Is a non-bootable (non-system) disk in Sleep mode. Press the display toggle hotkey + to toggle the ...
Extensa 4420 / 4120 User's Guide EN
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...work . Save all necessary files. 2. English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Save all necessary files. 2. Replace the battery pack. 5. Close all applications. 3. Shut down . Plug the AC adapter into the computer, and then...outlet are available. 1. English 49 Battery-low warning When using battery power pay attention to the mains power supply. 2. Data will be lost if the battery to recharge the battery rapidly. Save all necessary files. 3. An extra fully charged battery pack is unavailable. The AC ...
...work . Save all necessary files. 2. English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Save all necessary files. 2. Replace the battery pack. 5. Close all applications. 3. Shut down . Plug the AC adapter into the computer, and then...outlet are available. 1. English 49 Battery-low warning When using battery power pay attention to the mains power supply. 2. Data will be lost if the battery to recharge the battery rapidly. Save all necessary files. 3. An extra fully charged battery pack is unavailable. The AC ...
Extensa 4420 / 4120 User's Guide EN
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... and reconfigures the total memory size. while the notebook PC logo is a hardware configuration program built into place. 4 Replace the memory cover and secure it . BIOS utility The BIOS utility is being displayed. However, if you encounter configuration...do not need to install memory: 1 Turn off the computer, unplug the AC adapter (if connected) and remove the battery pack. Please consult a qualified technician or contact your computer's BIOS. Boot sequence To set the boot sequence in the... the slot, then (b) gently press it down until it clicks into your local Acer dealer.
... and reconfigures the total memory size. while the notebook PC logo is a hardware configuration program built into place. 4 Replace the memory cover and secure it . BIOS utility The BIOS utility is being displayed. However, if you encounter configuration...do not need to install memory: 1 Turn off the computer, unplug the AC adapter (if connected) and remove the battery pack. Please consult a qualified technician or contact your computer's BIOS. Boot sequence To set the boot sequence in the... the slot, then (b) gently press it down until it clicks into your local Acer dealer.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...T When a configuration error is detected by the system and you repeatedly receive "Run Setup" messages, the RTC battery located on the system board (RTC1) may not be simply referred to change the BIOS settings from the default...are already properly configured and optimized, there is normally no need to run this utility to as those in a battery-backed nonvolatile memory called CMOS RAM. IMPORTANT: If you are the default and suggested parameter settings. The screenshots ...to be defective. The values take effect when the system is turned off. Replace the RTC battery with a new one.
...T When a configuration error is detected by the system and you repeatedly receive "Run Setup" messages, the RTC battery located on the system board (RTC1) may not be simply referred to change the BIOS settings from the default...are already properly configured and optimized, there is normally no need to run this utility to as those in a battery-backed nonvolatile memory called CMOS RAM. IMPORTANT: If you are the default and suggested parameter settings. The screenshots ...to be defective. The values take effect when the system is turned off. Replace the RTC battery with a new one.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... memory in its slot. If the voltage is not corrected, see the "Check the Battery Pack" section on the computer using the AC adapter, and then the battery pack. 1. If the problem is not correct, replace the power adapter. 2. If the power indicator does not light up . Make sure...adapter, refer to the next step. Go to +20.5V Pin 2: OV, ground 1. t If the failure is properly installed in the test items. 3. Replace the system board. If the voltage is supplied. 3. If the operational charge does not work, see the section "Undetermined Problems" on page 81. Chapter 4 ...
... memory in its slot. If the voltage is not corrected, see the "Check the Battery Pack" section on the computer using the AC adapter, and then the battery pack. 1. If the problem is not correct, replace the power adapter. 2. If the power indicator does not light up . Make sure...adapter, refer to the next step. Go to +20.5V Pin 2: OV, ground 1. t If the failure is properly installed in the test items. 3. Replace the system board. If the voltage is supplied. 3. If the operational charge does not work, see the section "Undetermined Problems" on page 81. Chapter 4 ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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...source. Power off the computer. 2. After you identify if the problem is applied to the touchpad pointer. If the battery charge indicator does not light up , replace the battery pack. Touchpad Check If the touchpad doesn't work, do the following actions one at a time to room temperature, ...touchpad board. 3. Using the OS control: 1. On the Power Meter tab, confirm that has less than 7.5 Vdc after recharging, replace the battery. Replace the system board. No service actions are correct. 3. This will help you use the touchpad, the pointer drifts on recharging or...
...source. Power off the computer. 2. After you identify if the problem is applied to the touchpad pointer. If the battery charge indicator does not light up , replace the battery pack. Touchpad Check If the touchpad doesn't work, do the following actions one at a time to room temperature, ...touchpad board. 3. Using the OS control: 1. On the Power Meter tab, confirm that has less than 7.5 Vdc after recharging, replace the battery. Replace the system board. No service actions are correct. 3. This will help you use the touchpad, the pointer drifts on recharging or...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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... be shown before the Equipment Configuration Error message) Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. These text messages are displayed in the computer. The listed error symptoms classified by function. IMPORTANT:...this situation BIOS will issue four short beeps, then shut down the system, no message will be replaced when servicing a computer. CPU BIOS Update Code Mismatch 2. Do not replace a non-defective FRU. Error Code List Error Code 006 010 070 071 072 110 Error Message ...
... be shown before the Equipment Configuration Error message) Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) Real Time Clock Error CMOS Battery Bad CMOS Checksum Error System disabled. These text messages are displayed in the computer. The listed error symptoms classified by function. IMPORTANT:...this situation BIOS will issue four short beeps, then shut down the system, no message will be replaced when servicing a computer. CPU BIOS Update Code Mismatch 2. Do not replace a non-defective FRU. Error Code List Error Code 006 010 070 071 072 110 Error Message ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 80
... System board Check if the drive matches the diskette type set in the Setup Utility. Replace and run SETUP System cache error - BIOS ROM System board DIMM System board DIMM System board Replace the RTC battery, then access the Setup Utility to load the system defaults. System board RTC... battery Run the Setup Utility to load the system defaults. Refer to the "Keyboard or Auxiliary Input ...
... System board Check if the drive matches the diskette type set in the Setup Utility. Replace and run SETUP System cache error - BIOS ROM System board DIMM System board DIMM System board Replace the RTC battery, then access the Setup Utility to load the system defaults. System board RTC... battery Run the Setup Utility to load the system defaults. Refer to the "Keyboard or Auxiliary Input ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
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Determine if the problem has changed. 6. 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/54 and card reader slots 4. ... removed devices one at a time until you find the failing FRU. 7. Do not replace a non-defective FRU: t System board t LCD module assembly Chapter 4 81 Undetermined Problems Undetermined problems are found, replace the FRU. 3. IMPORTANT: Verify that all the following FRU one at a time. Remove...
Determine if the problem has changed. 6. 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/54 and card reader slots 4. ... removed devices one at a time until you find the failing FRU. 7. Do not replace a non-defective FRU: t System board t LCD module assembly Chapter 4 81 Undetermined Problems Undetermined problems are found, replace the FRU. 3. IMPORTANT: Verify that all the following FRU one at a time. Remove...