Acer Travelmate 4730 Service Guide

							Chapter 4131
HDD Not Operating Correctly
If the HDD does not operate correctly, perform the following actions one at a time to correct the problem. 
1.Disconnect all external devices.
2.Run a complete virus scan using up-to-date software to ensure the computer is virus free. 
3.Run the Windows Vista Startup Repair Utility:
a.insert the Windows Vista Operating System DVD in the ODD and restart the computer. 
b.When prompted, press any key to start to the operating system DVD. 
c.The Install Windows screen displays. Click Next. 
d.Select Repair your computer. 
e.The System Recovery Options screen displays. Click Next. 
f.Select the appropriate operating system, and click Next. 
NOTE: Click Load Drivers if controller drives are required. 
g.Select Startup Repair. 
h.Startup Repair attempts to locate and resolve issues with the computer.
i.When complete, click Finish. 
If an issue is discovered, follow the onscreen information to resolve the problem.
4.Run the Windows Memory Diagnostic Tool. For more information see Windows Help and Support.
5.Restart the computer and press F2 to enter the BIOS Utility. Check the BIOS settings are correct and that 
CD/DVD drive is set as the first boot device on the Boot menu.
6.Ensure all cables and jumpers on the HDD and ODD are set correctly.
7.Remove any recently added hardware and associated software.
8.Run the Windows Disk Defragmenter. For more information see Windows Help and Support.
9.Run Windows Check Disk by entering chkdsk /r from a command prompt. For more information see 
Windows Help and Support.
10.Restore system and file settings from a known good date using System Restore. 
If the issue is not fixed, repeat the preceding steps and select an earlier time and date.
11 .Replace the HDD. See “Disassembly Process” on page 44. 
						

							132Chapter 4
ODD Failure
If the ODD fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRUs:
ODD Not Operating Correctly
If the ODD exhibits any of the following symptoms it may be faulty:
•Audio CDs do not play when loaded 
•DVDs do not play when loaded 
•Blank discs do not burn correctly 
•DVD or CD play breaks up or jumps 
•Optical drive not found or not active: 
•Not shown in My Computer or the BIOS setup 
•LED does not flash when the computer starts up 
•The tray does not eject
•Access failure screen displays
•The ODD is noisy
Perform the following general solutions one at a time to correct the problem.
1.Reboot the computer and retry the operation.
2.Try an alternate disc.
3.Navigate to Start´ Computer. Check that the ODD device is displayed in the Devices with Removable 
Storage panel.
4.Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager.
a.Double-click lDE ATA/ATAPI controllers. If a device displays a down arrow, right-click on the device 
and click Enable.
b.Double-click DVD/CD-ROM drives. If the device displays a down arrow, right-click on the device and 
click Enable. 
						

							Chapter 4133
c.Check that there are no yellow exclamation marks against the items in l D E  ATA / ATA P I  c o n t r o l l e r s. If 
a device has an exclamation mark, right-click on the device and uninstall and reinstall the driver.
d.Check that there are no yellow exclamation marks against the items in DVD/CD-ROM drives. If a 
device has an exclamation mark, right-click on the device and uninstall and reinstall the driver.
e.If the exclamation marker is not removed from the item in the lists, try removing any recently installed 
software and retrying the operation.
Discs Do Not Play
If discs do not play when inserted in the drive, perform the following actions one at a time to correct the 
problem.
1.Check that the disc is correctly seated in the drive tray and that the label on the disc is visible.
2.Check that the media is clean and scratch free. 
3.Try an alternate disc in the drive.
4.Ensure that AutoPlay is enabled:
a.Navigate to Start´ Control Panel´ Hardware and Sound´ AutoPlay.
b.Select Use AutoPlay for all media and devices.
c.In the Audio CD and DVD Movie fields, select the desired player from the drop down menu.
5.Check that the Regional Code is correct for the selected media:
IMPORTANT:Region can only be changed a limited number of times. After Changes remaining reaches zero, 
the region cannot be changed even Windows is reinstalled or the drive is moved to another computer.
a.Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager.
b.Double-click DVD/CD-ROM drives. 
c.Right-click DVD drive and click Properties, then click the DVD Region tab.
d.Select the region suitable for the media inserted in the drive.
Discs Do Not Burn Properly
If discs can not be burned, perform the following actions one at a time to correct the problem.
1.Ensure that the default drive is record enabled:
a.Navigate to Start´ Computer and right-click the writable ODD icon. Click Properties.
b.Select the Recording tab. In the Desktop disc recording panel, select the writable ODD from the 
drop down list. 
c.Click OK.
2.Ensure that the software used for burning discs is the factory default. If using different software, refer to 
the softwares user manual.
Playback is Choppy
If playback is choppy or jumps, perform the following actions one at a time to correct the problem.
1.Check that system resources are not running low:
a.Try closing some applications.
b.Reboot and try the operation again.
2.Check that the ODD controller transfer mode is set to DMA:
a.Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager.
b.Double-click IDE ATA/ATAPI controllers, then right-click ATA Device 0. 
c.Click Properties and select the Advanced Settings tab. Ensure that the Enable DMA box is 
checked and click OK.  
						

							134Chapter 4
d.Repeat for the other ATA Devices shown if applicable.
Drive Not Detected
If Windows cannot detect the drive, perform the following actions one at a time to correct the problem.
1.Restart the computer and press F2 to enter the BIOS Utility. 
2.Check that the drive is detected in the ATAPI Model Name field on the Information page. 
NOTE: Check that the entry is identical to one of the ODDs specified in “Hardware Specifications and 
Configurations” on page 18.
3.Turn off the power and remove the cover to inspect the connections to the ODD. See “Disassembly 
Process” on page 44.
a.Check for broken connectors on the drive, motherboard, and cables. 
b.Check for bent or broken pins on the drive, motherboard, and cable connections. 
c.Try an alternate cable, if available. If the drive works with the new cable, the original cable should be 
replaced.
4.Reseat the drive ensuring and all cables are connected correctly.
5.Replace the ODD. See “Disassembly Process” on page 44.
Drive Read Failure
If discs cannot be read when inserted in the drive, perform the following actions one at a time to correct the 
problem.
1.Remove and clean the failed disc. 
2.Retry reading the CD or DVD. 
d.Test the drive using other discs.
e.Play a DVD movie 
f.Listen to a music CD
If the ODD works properly with alternate discs, the original disc is probably defective and should be 
replaced.
3.Turn off the power and remove the cover to inspect the connections to the ODD. See “Disassembly 
Process” on page 44.
a.Check for broken connectors on the drive, motherboard, and cables. 
b.Check for bent or broken pins on the drive, motherboard, and cable connections. 
c.Try an alternate cable, if available. If the drive works with the new cable, the original cable should be 
replaced.
4.Replace the ODD. See “Disassembly Process” on page 44. 
						

							Chapter 4135
USB Failure (Rightside)
If the rightside USB port fails, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs:
Modem Function Failure
If the internal Modem fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs: 
						

							136Chapter 4
Wireless/WiMAX Function Failure
If the WLAN/WiMAX fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs:
Bluetooth Function Failure
If the Bluetooth function fails, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs: 
						

							Chapter 4137
Robson Module Failure
If the Robson Module fails, perform the following actions one at a time to correct the problem. Do not replace 
a non-defective FRUs:
EasyTouch Button Failure
If the Acer EasyTouch buttons fail, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs: 
						

							138Chapter 4
Fingerprint Reader Failure
If the Fingerprint Reader fails, perform the following actions one at a time to correct the problem. Do not 
replace a non-defective FRUs:
Thermal Unit Failure
If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs: 
						

							Chapter 4139
HDMI Switch Failure
If the HDMI Switch fails, perform the following actions one at a time to correct the problem. Do not replace a 
non-defective FRUs: 
						

							140Chapter 4
External Mouse Failure
If an external Mouse fails, perform the following actions one at a time to correct the problem. 
1.Try an alternative mouse.
2.If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. See 
the mouse user manual.
3.If the mouse uses a USB connection, try an alternate USB port.
4.Try an alternative program to verify mouse operation. Reinstall the program experiencing mouse failure.
5.Restart the computer.
6.Remove any recently added hardware and associated software.
7.Remove any recently added software and reboot.
8.Restore system and file settings from a known good date using System Restore. 
If the issue is not fixed, repeat the preceding steps and select an earlier time and date.
9.Run the Event Viewer to check the events log for errors. For more information see Windows Help and 
Support.
10.Roll back the mouse driver to the previous version if updated recently.
11 .Remove and reinstall the mouse driver.
12.Check the Device Manager to determine that:
•The device is properly installed. There are no red Xs or yellow exclamation marks. 
•There are no device conflicts. 
•No hardware is listed under Other Devices.
13.If the Issue is still not resolved, see “Online Support Information” on page 179.
Other Failures
If the CRT Switch, Dock, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or 
Volume Wheel fail, perform the following general steps to correct the problem. Do not replace a non-defective 
FRUs:
1.Check Drive whether is OK.
2.Check Test Fixture is ok.
3.Swap M/B to Try.