windows xp slow at startup

Try to stop or restart the computer in Safe Mode

Safe mode as debug mode Startup operating system computer that is designed to cope with the situation when there is a critical problem which interferes with the normal operation of Windows. The purpose of Safe Mode is to allow you to troubleshoot Windows and try to determine what caused him not to function properly. Once you have corrected the problem, then you can reboot and load Windows normally. It can also refer to a mode of operation by application software. Safe mode typically provides access to utilities and diagnostic programs so a user to resolve what prevents the operating system to function normally. Safe mode is intended for maintenance, not functionality and provides minimal access to features.

1. Restart your computer and start pressing the F8 key on your keyboard. On a computer that is configured to start to multiple operating systems, you can press F8 when the Startup menu appears.
2. Select an option When the Windows Advanced Options menu appears, then press ENTER.
3. When the Startup menu appears again, and the words "Mode Safe "appear in blue below, select the installation that you want to start, then press ENTER.
Or:

1. Exit all programs.
2. Click Start> Run.In Run dialog box, type the following text: msconfig
4. Click OK.
5. In the utility System Configuration, on the BOOT.INI tab, check / SAFEBOOT.Click OK.When you are prompted to restart your computer, click Restart.

The computer restarts in Safe mode. This may take several minutes.

Using Device Manager to determine if the problem is related to a device driver

First built in version of Microsoft Windows 95, Manager Device uses a centralized utility that keeps a list of all hardware devices on your computer and is specifically designed for operating systems Microsoft Windows to allow a user to provide a centralized and organized view of devices and equipment status each device. With Device Manager, you can see how the hardware in your computer is installed and configured, and how the hardware interacts with programs on your computer. It is available in Microsoft Windows 95, 98, ME, 2000, 2003, XP, Vista, and 7. When a piece of equipment is facing a problem critically, the offensive material is highlighted for the user to manage. The equipment list can be sorted by various criteria.

For each device, users can:
 • Device Driver Power equipment
 • changing hardware configuration options
 • Disabling and Enabling hardware
 • management pilot
 • identification conflicts between hardware devices and Windows to ignore Tell dysfunction devices
 • Check the status of your hardware and update device drivers on your computer

In the Start Device Manager:
1. In the Start menu, select My Computer. Click Start, then go to Control Panel.
2. Click Performance and Maintenance, then select System.
3. Click the Hardware tab, then go to Device Manager.

Try operation Restore Windows XP by using System Restore

System Restore is a crucial component of Microsoft Windows Me, Windows XP, Windows Vista and Windows 7 operating systems that give you the opportunity to create a new restore point manually, to return to existing restore point or change the configuration System Restore. You can use the System Restore to roll back the system files, registry keys, installed programs, etc., to a previous state in case of malfunction or failure.
To use the Restore system to restore Windows XP to a previous state, follow these steps:
1. Log on to Windows as administrator.
2. Click Start, then go to all programs. Find accessories, click it. And then point to System Tools and select System Restore.
3. Welcome to System Restore page, click Restore my computer to an earlier time, and then click Next.
4. On the Select a restore point, click on the most recent system restore point in appearing on this list, click on a list of restore points, then click Next.
5. On the Confirm Restore Point Selection page, click Next. System Restore restores the previous Windows XP configuration and then restarts computer.
6. Log on to the computer as an administrator. System Restore Restoration Complete page is displayed.
7. Click OK.

Optimize Windows XP Boot time using Bootvis (Part 1)