Compaq PKX301T manual Troubleshooting Your Computer, Display Problems

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Troubleshooting and Maintenance

Troubleshooting Your Computer

Troubleshooting Your Computer

This section contains solutions to a few basic problems you might have with your computer. Try the solutions one at a time, in the order in which they are presented.

Here are some other sources of information for troubleshooting:

•See the troubleshooting chapter in the Reference Guide on the Documentation Library CD included with your computer for a more complete list of troubleshooting suggestions.

•Click Start, Help and Support, Fixing a Problem, and use the Windows troubleshooters.

•See the Microsoft Windows manual shipped with the computer.

•Find technical tips, troubleshooting guides, and software updates for the computer at the Compaq Consumer Support Web site (www.compaq.com/consumersupport).

•Test your computer by running the e-Diagtools test program—see “Testing the Hardware” on page 44.

•Contact your dealer or see “To get support or service” on page 50. Please have your computer with you when you call.

Display Problems

If the computer is on, but the screen is blank

•Move the mouse or tap the touch pad. This will wake the display if it is in Display-off mode.

•Press Fn+F5 in case the internal display was disabled. (Do this three times to return to the state you started from.)

•If the computer is cold, allow it to warm up.

If the screen is difficult to read

•Try setting the display resolution to its default setting of 1024×768 or higher, depending on your model: click Start, Control Panel, Appearance and Themes, Display.

40 Startup Guide

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Contents Compaq Notebook Series Startup Guide Page Important Safety Information Software Product License AgreementStartup Guide Page Page Contents Startup Guide Getting Started with Your Notebook Taking Inventory What’s in the box?To find more information ProductsIdentifying Parts of the Computer Front ViewBack View Bottom View Status Lights Page Setting Up Your Computer Install the batteryPage Connect AC power Connect a phone line Set up Windows Turn on the computerTo connect to the Internet What to do nextBasic Operation Operating Your Computer To turn the computer on and offTo reset the computer To change the boot device To use the touch padPage To use the Fn hot keys Appropriate second key, and then release both keysTo play DVD movies You can also use Windows Media Player to play DVD moviesPage Batteries and Power Management Using Battery Power To check battery statusTo respond to a low-battery warning To recharge the batteryPage Add-On Devices Installing Additional RAM To install a RAM expansion moduleReplacing the Hard Disk Drive To replace the hard disk drivePage Troubleshooting and Maintenance Troubleshooting Your Computer Display ProblemsHard Disk Drive Problems Keyboard and Pointing Device ProblemsPerformance Problems Power and Battery ProblemsStartup Problems Testing the Hardware To run the e-Diagtools diagnostic testPage Configuring the Computer To run the Bios Setup utilityReinstalling and Updating Software To recover the factory installation of your hard diskPage Support and Service Getting Assistance for Your Computer To get support or serviceTo get help from the Web Page To receive repair service To prepare your computer for shipment Limited Warranty Statement Support and Service Limited Warranty Statement Page Reference Information Hardware Specifications RAMLAN Reference Information Hardware Specifications Safety Information Power CordsErgonomics Battery Safety Laser Safety LED SafetyMercury Safety Exposure to Radio Frequency RadiationRegulatory Information Startup Guide Canada European Union Japan New Zealand Conexant AMC20493-KT5 Data Fax Modem PTC 211/02/071Specifications listed on the following Russia InternationalEMC Index Opening USB