Dell A860, A840 manual Using the Operating System Media, Click Start

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Starting System Restore

1Click Start .

2In the Start Search box, type System Restore and press <Enter>.

NOTE: The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to continue the desired action.

3Click Next and follow the remaining prompts on the screen.

In the event that System Restore did not resolve the issue, you may undo the last system restore (see "Undoing the Last System Restore" on page 55).

Reinstalling Software

Undoing the Last System Restore

NOTICE: Before you undo the last system restore, save and close all open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete.

1Click Start .

2In the Start Search box, type System Restore and press <Enter>.

3Click Undo my last restoration and click Next.

Using the Operating System Media

Before you Begin

If you are considering reinstalling the Windows operating system to correct a problem with a newly installed driver, first try using Windows Device Driver Rollback. See "Returning to a Previous Device Driver Version" on page 51. If Device Driver Rollback does not resolve the problem, use Microsoft Windows System Restore to return your

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Contents Vostro A840/A860 Setup Quick Reference Guide Macrovision Product Notice Contents Obtaining Assistance Dell Support Center Reinstalling SoftwareRestoring Your Operating System Finding InformationIndex Contents Front View About Your ComputerRight View Attach headphones to the connector Attach a microphone toD E M C O N N E C T O R RJ Turns on when the scroll lock function is enabledUSB C O N N E C T O R S Left ViewConnects video devices, such as a monitor Battery Removal To remove the battery Ensure that the computer is turned off About Your Computer Quick Setup Quick SetupConnect the AC adapter to the AC adapter Setting Up Your Internet Connection Connecting to the InternetChoose Dial-up if you will use a dial-up modem or Isdn Microsoft Windows Vista Operating SystemTransferring Information to a New Computer Quick Setup Specifications DDR2 Sodimm 512 MB, 1 GB, 2 GB GB capable Memory typeUSB Video Hole connector Ieee Pin miniInternal Wlan and Bluetooth wireless In-1 combo card connectorConnector Cards supported WirelessIntegrated on system board, hardware Microphone-in connector, stereoHeadphones/speakers connector Video Vostro A840 Vostro A860 Video type320 mm 12.6 inches 359.3 mm 14.14 inches Active area X/Y 303.36 x 344.23 x DimensionsAudio Vostro A840 Vostro A860 Speaker One 4-ohm speaker 206 mm 8.11 inches 209.5 mm 8.24 inchesMax with no inverter losses 15/30 Pixel pitch 2373 255 Power ConsumptionDisplay Vostro A840 Vostro A860 Viewing angles 40/4053.4 mm 2.10 inches Touch Pad Vostro A840 Vostro A860240 cpi SizeTo 35C 32 to 95F 40 to 65C -40 to 149F Coin-cell battery CR-2032+/-1.0 VDC Continuous Output power 65 W Rated output voltage137.2 mm 5.4 inches Weight with cables Kg 0.9 lb Input frequency 50-60 Hz Output currentPhysical Vostro A840 Vostro A860 Height AC Adapter Vostro A84003 kg 4.47 lb 46 kg 5.42 lb 163 G Airborne containment level G2 or lower as defined by Spectrum that simulates user environmentGrms 110 GError Messages TroubleshootingT E N D E D M E M O R Y S I Z E H a S Do not use these characters in filenamesHARD-DISK Drive Controller Failure Y B O a R D C L O C K L I N E F a I L U R E For Troubleshooting Optional ROM has failed. Contact Dell see Contacting Dell on Try again System Messages A.R.T error, possible hard drive failure Troubleshooting Software and Hardware ProblemsStarting the Dell Diagnostics From Your Hard Drive Dell Diagnostics When to Use the Dell DiagnosticsShut down and restart the computer Insert the Drivers and Utilities mediaPower Problems Troubleshooting TipsFollow these tips when troubleshooting your computer T H E P O W E R L I G H T I S B L I N K I N G Ensure that the display is connected and powered onMemory Problems Run the Dell Diagnostics see Dell Diagnostics on Lockups and Software Problems Computer does not start upComputer stops responding Program crashes repeatedly Program stops respondingSolid blue screen appears Dell Technical Update Service Other software problemsDell Support Center Alerts technical support alerts relevant to your computer Identifying Drivers Reinstalling SoftwareReinstalling Drivers and Utilities DriversClick the Drivers tab→ Roll Back Driver Using the Drivers and Utilities MediaManually Reinstalling Drivers You can restore your operating system in the following ways Using Microsoft Windows System RestoreRestoring Your Operating System Click Undo my last restoration and click Next Using the Operating System MediaClick Start Click Next and follow the remaining prompts on the screenReinstalling Windows Reinstalling Software Reinstalling Software Computer Drivers and Utilities Media Document/Media/Label ContentsCode Service Tag/Express Finding InformationHave shipped with your CD or DVD that may have Shipped with your computerSupport Documentation This type of information mayAvailable at support.dell.com Document/Media/Label Contents Dell Technology GuideFinding Information Getting Help Fill out the Diagnostics Checklist onObtaining Assistance Online Services Technical Support and Customer ServiceAutoTech Service Product Information Problems With Your OrderReturning Items for Warranty Repair or Credit Automated Order-Status ServiceBefore You Call Remember to fill out the Diagnostics ChecklistGetting Help Contacting Dell Getting Help Index License label Media Drivers and Utilities Service Tag Setup Power light conditions, 44 program crashes Windows Vista Program Compatibility wizard Wizards Warranty information Windows License labelIndex