HP Compaq tc4400 Troubleshooting Manual
Hp compaq tc4400: supplementary guide
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Also See for Compaq tc4400:
- Maintenance and service manual (219 pages) ,
- Reference manual (95 pages) ,
- User manual (68 pages)
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Table of Contents
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Summary of Contents for HP Compaq tc4400
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Page 1: Troubleshooting
Troubleshooting Document Part Number: 383067-003 December 2005... -
Page 2: Table Of Contents
1 Quick checklist The computer will not start up..... 1–2 The computer screen is blank..... . 1–3 The software is functioning abnormally. -
Page 3: Quick Checklist
If you experience computer problems, follow the troubleshooting steps below. 1. Refer to the information in this chapter. 2. Access additional information about the computer and Web site links through the Help and Support Center. ✎ Although many checkup and repair tools require an Internet connection, other tools can help you fix a problem when the computer is offline. -
Page 4: The Computer Will Not Start Up
Quick checklist The computer will not start up. To turn on the computer, press the power button. When the computer is turned on, the power light is turned on. If the computer and the power light are not turned on when you press the power button, adequate power may not be available to the computer. -
Page 5: The Computer Screen Is Blank
The computer screen is blank. If you have not turned off the computer but the screen is blank, one or more of the following may be the cause: ■ The computer may be in standby or hibernation. ■ The computer may not be set to display the image on the computer screen. - Page 6 Quick checklist ■ Press the display switch on the computer to confirm that the switch moves freely. The display switch is normally located on the upper-left corner of the keyboard. ■ If the computer has a magnetic display switch (select models only), be sure that the computer is not near a strong magnetic field and that no magnetized items (for example, a magnetized screw driver) are laying on the computer.
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Page 7: The Software Is Functioning Abnormally
The software is functioning abnormally. If the software becomes unresponsive or responds abnormally: ■ Restart the computer: ❏ In Windows XP Home, select Start > Turn Off Computer > Restart. ❏ In Windows XP Professional, select Start > Turn Off Computer >... -
Page 8: The Computer Is Turned On, But Is Not Responding
Quick checklist The computer is turned on, but is not responding. If the computer is turned on, but is not responding to software applications or keyboard commands, try first to shut down the computer through the operating system by selecting Start > Turn Off Computer >... -
Page 9: The Computer Is Unusually Warm
The computer is unusually warm. It is normal for the computer to feel warm to the touch while it is in use. But if the computer feels unusually warm, it may be overheating because a vent is blocked. If you suspect that the computer is overheating, allow the computer to cool to room temperature. -
Page 10: An External Device Is Not Working
Quick checklist An external device is not working. If an external device does not function as expected: ■ Turn on the device as instructed in the device user guide. Some devices, such as monitors and printers, may not be powered by the computer, and must be turned on before the computer is turned on. -
Page 11: The Computer Cannot Connect To A Wireless Network
2. Right-click in the window and select Properties > ✎ ❏ Open Wireless Assistant and be sure that the wireless devices are enabled and on. Select Start > HP Info Center > HP Wireless Assistant. ❏ Be sure that the wireless devices are enabled in Computer Setup or the Setup utility. - Page 12 Quick checklist ■ Be sure that the Windows Wireless Network Connection window can display the network. ❏ Click the Refresh button so that Windows will scan all channels for available access points. ❏ Be sure that the computer is within optimal range of the wireless router (access point).
- Page 13 ■ Be sure that you are getting a valid IP address. ❏ Be sure the computer TCP/IP is configured to Obtain an IP address automatically: 1. Select Start > Control Panel > Network and 2. Right-click on a network connection and select 3.
- Page 14 (access point). Normally channels 3, 6, and 11 are the optimal channels because they do not overlap each other. However, if multiple networks are detected in close proximity, and more than one is using the same channel, there may be interference. For additional information, refer to http://www.hp.com/go/techcenter/wireless 1–12 Troubleshooting...
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Page 15: Customer Care
If you are unable to find the help you need by using the Help and Support Center, you may need to contact Customer Care. Preparing to contact Customer Care To receive the fastest possible resolution of your problem, have the computer and the following information available when you call or e-mail: ■... -
Page 16: Contacting Customer Care By E-Mail Or Telephone
Customer Care ■ The manufacturer and model of any hardware connected to the computer. ■ Operating system version number and registration number. To display the operating system version number and registration number, click My Computer in the Help and Support Center. (On some models, the registration number may be identified in the Operating System table as the Product Id). - Page 17 Corporation. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.