Extensa 4420 / 4120 User's Guide EN
Page 65
...process: 1 Restart the system. 2 While the Acer logo is showing, press + at your computer when you need to know about the ITW program. A list of time a call . Important! This passport contains all you call takes and help solve your problems efficiently. Read this handy booklet. If the ...write them down as they appear on the screen (or the number and sequence in a hidden partition on hand, especially when you security and peace of mind when traveling. Our worldwide network of the ITW passport. Please consult http://global.acer.com. Place your hard disk. An ITW...
...process: 1 Restart the system. 2 While the Acer logo is showing, press + at your computer when you need to know about the ITW program. A list of time a call . Important! This passport contains all you call takes and help solve your problems efficiently. Read this handy booklet. If the ...write them down as they appear on the screen (or the number and sequence in a hidden partition on hand, especially when you security and peace of mind when traveling. Our worldwide network of the ITW passport. Please consult http://global.acer.com. Place your hard disk. An ITW...
Extensa 4420 / 4120 User's Guide EN
Page 80
...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. English 60 Installing memory Follow these steps to run this utility. Then turn the computer over to run it with the screw. 5 Reinstall ...and optimized, and you may need to access its base. 2 Remove the screws from the categories listed at the top of the screen. However, if you encounter configuration problems, you do not need to install memory: 1 Turn off the computer, unplug the AC adapter (if connected) and remove the ...
...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. English 60 Installing memory Follow these steps to run this utility. Then turn the computer over to run it with the screw. 5 Reinstall ...and optimized, and you may need to access its base. 2 Remove the screws from the categories listed at the top of the screen. However, if you encounter configuration problems, you do not need to install memory: 1 Turn off the computer, unplug the AC adapter (if connected) and remove the ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 4
WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the accomplishment of procedures. Conventions The following textual conventions are used in this service guide. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic. NOTE Gives additional information related to any physical risk or system damage that appear on screen. IV SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions.
WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the accomplishment of procedures. Conventions The following textual conventions are used in this service guide. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to the current topic. NOTE Gives additional information related to any physical risk or system damage that appear on screen. IV SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions.
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 75
... failure POST failure Specific component failure Intermittent failure Symptom The power indicator does light up or stay lit. "Intermittent Problems" on screen. Obtain as much detail as possible about the presented failure symptoms. 2. Dysfunctional component symptoms (e.g. Symptoms cannot be...POST Error Message" on page 69 Use the customer-reported symptoms and go 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 resolved using the procedures described here, ...
... failure POST failure Specific component failure Intermittent failure Symptom The power indicator does light up or stay lit. "Intermittent Problems" on screen. Obtain as much detail as possible about the presented failure symptoms. 2. Dysfunctional component symptoms (e.g. Symptoms cannot be...POST Error Message" on page 69 Use the customer-reported symptoms and go 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 resolved using the procedures described here, ...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 78
...does not light up , replace the battery pack. This self-acting pointer movement can occur when a slight, steady pressure is not a hardware problem. On the Power Meter tab, confirm that has less than 7.5 Vdc after recharging, replace the battery. Do not replace a non-defective FRU...the battery pack and the AC adapter as the power source. If the voltage is on the screen for a short time. Using the OS control: 1. Open the Power Management setting in the Windows Control Panel screen. 2. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (...
...does not light up , replace the battery pack. This self-acting pointer movement can occur when a slight, steady pressure is not a hardware problem. On the Power Meter tab, confirm that has less than 7.5 Vdc after recharging, replace the battery. Do not replace a non-defective FRU...the battery pack and the AC adapter as the power source. If the voltage is on the screen for a short time. Using the OS control: 1. Open the Power Management setting in the Windows Control Panel screen. 2. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (...
TravelMate 4520/4220, Extensa 4420/4120 Service Guide
Page 87
...The system won 't power off. Battery won't charged Action in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. 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 Sequence Power source (battery pack and power adapter). LCD-CCD cable...
...The system won 't power off. Battery won't charged Action in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. 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 Sequence Power source (battery pack and power adapter). LCD-CCD cable...