Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 24
... parallel Specification AUO/CMI/LG/Samsung 14 inches 14" WXGA+ Glare 0.204 x 0.204 R.G.B. Video Memory Item Chipset Memory size Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor Battery Type Pack capacity Number of battery cell Package configuration LCD 14" inch Item Vendor & model... UMA NVidia N12PGS A1 40nm 29mm*29mm GB1-128 package NVidia N12PGV A1 40nm 29mm*29mm GB1-128 package 1 GB DDR3 Specification NPCE781B 86-key keyboard Yes Plug USB keyboard to +60 Chapter 1
... parallel Specification AUO/CMI/LG/Samsung 14 inches 14" WXGA+ Glare 0.204 x 0.204 R.G.B. Video Memory Item Chipset Memory size Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor Battery Type Pack capacity Number of battery cell Package configuration LCD 14" inch Item Vendor & model... UMA NVidia N12PGS A1 40nm 29mm*29mm GB1-128 package NVidia N12PGV A1 40nm 29mm*29mm GB1-128 package 1 GB DDR3 Specification NPCE781B 86-key keyboard Yes Plug USB keyboard to +60 Chapter 1
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 86
... diskette and start the diagnostics program. 2. Replace the external diskette drive/CD-ROM module. 3. See if CD-ROM Test is correct, run the Keyboard Test. If an error occurs, reconnect the connector on the system board. If the error still remains: 1. Replace the external diskette drive/CD-ROM... diagnostic diskette is correctly seated in the connector on the system board. Multiple labels can cause the drive to it . If the internal keyboard does not work or an unexpected character appears, make sure that the diskette does not have any label attached to CD-ROM Test. 3. Replace the main...
... diskette and start the diagnostics program. 2. Replace the external diskette drive/CD-ROM module. 3. See if CD-ROM Test is correct, run the Keyboard Test. If an error occurs, reconnect the connector on the system board. If the error still remains: 1. Replace the external diskette drive/CD-ROM... diagnostic diskette is correctly seated in the connector on the system board. Multiple labels can cause the drive to it . If the internal keyboard does not work or an unexpected character appears, make sure that the diskette does not have any label attached to CD-ROM Test. 3. Replace the main...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 97
...or vertical lines displayed. Battery pack Power adapter Hard drive & battery connection board System board Chapter 4 89 Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels ... adapter). Action in Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Index of Symptom-to execute "Load Setup Default Settings", then reboot system. Action in Sequence Power source (battery pack and power adapter...
...or vertical lines displayed. Battery pack Power adapter Hard drive & battery connection board System board Chapter 4 89 Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels ... adapter). Action in Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Index of Symptom-to execute "Load Setup Default Settings", then reboot system. Action in Sequence Power source (battery pack and power adapter...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 99
...cool for 2 hours. External display does not work . Printer driver Printer cable Printer System Board Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. Hard disk connection board System board Peripheral... from standby mode after opening the LCD. Touchpad does not work correctly Print problems. Serial or parallel port device problems. Action in Sequence See "Save to Disk (S4)" on page 17. Keyboard System board Reconnect touchpad cable. The system doesn't resume from...
...cool for 2 hours. External display does not work . Printer driver Printer cable Printer System Board Device driver Device cable Device System board Keyboard/Touchpad-Related Symptoms Symptom / Error Keyboard (one or more keys) does not work correctly. Hard disk connection board System board Peripheral... from standby mode after opening the LCD. Touchpad does not work correctly Print problems. Serial or parallel port device problems. Action in Sequence See "Save to Disk (S4)" on page 17. Keyboard System board Reconnect touchpad cable. The system doesn't resume from...