Dell OptiPlex GX400 User Manual Page 85
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Event-Triggered Restore Points
Event-triggered restore points are created before key changes are made to the system. System Restore automatically creates a restore point before the
following events:
l Application installations — System Restore creates a restore point before you install an application program designed for Windows XP. You may wish to
create a manual restore point before attempting to install an older program.
l AutoUpdate installation — When you choose to install the update, System Restore creates a restore point before the actual installation of the update
begins.
l Restore operation — The restore operation itself also creates a restore point for undo purposes.
l Microsoft Backup Utility recovery — Before Microsoft Backup Utility (only available in Windows XP Professional) performs a backup recovery, System
Restore creates a restore point.
l Unsigned driver installation — The INF installer of Windows detects unsigned device-driver installations. Drivers that are signed (electronically certified by
the device manufacturer) do not generate a restore point.
Manual Restore Points
If you are logged on to the computer as computer administrator or as a user with administrator rights, you may create and name an on-demand restore point.
(For information on types of user accounts, see "How to Add Users.") This is useful to create a checkpoint to return to before making a particularly risky
change, before leaving a shared system to other users, or at a particular state you believe is optimal.
To create a restore point, perform the following steps:
1. Click the Start button, point to All Programs—> Accessories—> System Tools, and then click System Restore.
2. Select Create a restore point and click Next>.
3. Type a description of the restore point and click Create.
The date and time are automatically added to the description of the new restore point.
Restore Process
As the computer is used over time, restore points are collected in the archive without any management or intervention. If you encounter operating system
problems, you can use the System Restore feature to select any of the restore points presented through the System Restore Wizard.
If problems occur after installing a device driver, you should first attempt to use Driver Rollback. If that is unsuccessful, then use System Restore.
To return your computer to a previous, stable condition, perform the following steps:
1. Click the Start button, point to All Programs—> Accessories—> System Tools, and then click System Restore.
2. Select Restore my computer to an earlier time and click Next>.
The Select a Restore Point screen appears. The calendar on the left indicates in bold the dates on which restore points were created.
3. Click a date, click a restore point for that date, and click Next>.
4. Click Next> to confirm the restore point selection and complete the restore process.
After System Restore finishes collecting data, the computer automatically restarts and the Restoration Complete screen appears.
5. Click OK.
If you are not satisfied with the results of the restoration, you can repeat the preceding steps, using a different restore point, or you can undo the
restoration.
To undo a restoration, perform the following steps:
1. Click the Start button, point to All Programs—> Accessories—> System Tools, and then click System Restore.
2. Select Undo my last restoration and click Next>.
3. Click Next> to confirm the restoration undo.
After System Restore finishes collecting data, the computer automatically restarts and the Undo Complete screen appears.
4. Click OK.
Driver Rollback
Windows XP device Driver Rollback can replace a device driver with the previously installed version. When you install a new device driver that causes system
instability, use Driver Rollback to reinstall the previous drivers. In the event that Driver Rollback cannot reinstall your previous driver, you can use System
Restore to return your operating system to its state before the new device driver installation.
To use Driver Rollback, perform the following steps:
1. Click the Start button, and then right-click My Computer.
2. Click Properties.
3. Click the Hardware tab, and then click Device Manager.
4. In the Device Manager window, right-click the device for which the new driver was installed, and then click Properties.
5. Click the Drivers tab, and then click Roll Back Driver.
- Notes, Notices, and Cautions 1
- About Your Computer 2
- Back View of Your Computer 3
- Inside Your Computer 4
- System Board Components 5
- Advanced Features 6
- Manageability 7
- Security 8
- Password Protection 9
- Setup Password 10
- Jumper Settings 11
- Installing a TAPI Device 12
- Power Management 13
- Installing Upgrades 15
- Power Supply 17
- Front Panel 17
- System Memory 18
- Upgrading System Memory 19
- Removing a Memory Module 19
- Disk Drives and Media 20
- General Guidelines 25
- EIDE Cables 25
- SCSI ID Numbers 25
- Device Termination 25
- AGP Card Brace 26
- Expansion Cards 26
- Removing the Filler Bracket 27
- Microprocessor 29
- Removing the Microprocessor 31
- Removing the VRM 32
- Replacing the VRM 32
- System Battery 33
- Back to Contents Page 34
- Technical Specifications 35
- Solving Problems 38
- Monitor Problems 39
- Video Problems 39
- Sound and Speaker Problems 40
- Printer Problems 41
- Mouse Problems 43
- Keyboard Problems 43
- Diskette Drive Problems 44
- Hard Drive Problems 45
- Battery Problems 47
- Expansion-Card Problems 47
- Repairing a Wet Computer 48
- Hardware Conflicts 49
- System Memory Problems 50
- Microprocessor Problems 50
- System Board Problems 51
- Dell Diagnostics 52
- Advanced Testing 53
- Messages and Codes 54
- System Beep Codes 56
- Warning Messages 57
- Diagnostics Messages 57
- Diagnostic Indicators 57
- Back-Panel Indicators 58
- Software Problems 59
- BIOS Recovery Utility 61
- Getting Help 62
- Problems With Your Order 63
- Product Information 63
- Before You Call 63
- Dell Contact Numbers 64
- Additional Information 71
- IC Notice (Canada Only) 72
- CE Notice (European Union) 72
- Battery Disposal 72
- VCCI Notice (Japan Only) 73
- MIC Class A Regulatory Mark 74
- Class B Device 74
- MIC Class B Regulatory Mark 74
- BSMI Notice (Taiwan Only) 75
- ENERGY STAR®Compliance 76
- Coverage During Year One 77
- General Provisions 77
- Safety Instructions 80
- Overview 82
- New User Interface 82
- Clean Desktop Wizard 83
- Taskbar Grouping 83
- Notification Area Cleanup 83
- System Restore 84
- Restore Process 85
- Driver Rollback 85
- How to Add Users 86
- Internet Connection Firewall 87
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