Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 86
... work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is passed when the program runs to a controller, driver, or diskette. Do the following to select the test device. 1. Reconnect the keyboard cables. 2. A write-enabled, diagnostic diskette is correct, ... cause damage to the drive or can cause damage to the drive or cause the drive to fail. Follow the instructions in the message window. Replace the external diskette drive/CD-ROM module. 3. Do not replace a non-defective FRU: 1. If an error occurs with the ...
... work or an unexpected character appears, make sure that the flexible cable extending from the keyboard is passed when the program runs to a controller, driver, or diskette. Do the following to select the test device. 1. Reconnect the keyboard cables. 2. A write-enabled, diagnostic diskette is correct, ... cause damage to the drive or can cause damage to the drive or cause the drive to fail. Follow the instructions in the message window. Replace the external diskette drive/CD-ROM module. 3. Do not replace a non-defective FRU: 1. If an error occurs with the ...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 98
... slot pin is from the computer. DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. Keyboard (if control is damaged. System board See "Check the Battery Pack" on page 17. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error...
... slot pin is from the computer. DIMM System board Speaker-Related Symptoms Symptom / Error In Windows, multimedia programs, no sound. Keyboard (if control is damaged. System board See "Check the Battery Pack" on page 17. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide
Page 99
... System configuration does not match the installed devices. USB does not work . Reconnect hard disk/CD-ROM/diskette drives. Action in Windows doesn't go higher than 90%. Touchpad board System board Chapter 4 91 System hangs intermittently. Touchpad does not work correctly Print problems...Serial or parallel port device problems. Action in Sequence See "Save to Disk (S4)" on page 17. 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...
... System configuration does not match the installed devices. USB does not work . Reconnect hard disk/CD-ROM/diskette drives. Action in Windows doesn't go higher than 90%. Touchpad board System board Chapter 4 91 System hangs intermittently. Touchpad does not work correctly Print problems...Serial or parallel port device problems. Action in Sequence See "Save to Disk (S4)" on page 17. 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...