Chapter 7. Getting help, service, and information 77error messages. The documentation that comes with your computer also containsinformation about the diagnostic tests you can perform.If you receive a POST error code when you turn on your computer, refer to thePOST error-message charts in your hardware documentation. If you do notreceive a POST error code, but suspect a hardware problem, refer to thetroubleshooting information in your hardware documentation or run thediagnostic tests.If you suspect a software problem, consult the documentation (includingREADME files) for the operating system or application program.Getting customer support and servicePurchasing an IBM PC hardware product entitles you to standard help andsupport during the warranty period. If you need additional support and services,a wide variety of extended services are available for purchase that address almostany need.Using the World Wide WebOn the World Wide Web, the IBM Personal Computing Web site has up-to-dateinformation about IBM Personal Computer products and support. The addressfor the IBM Personal Computing home page is:http://www.ibm.com/pcYou can find support information for your IBM products, including supportedoptions, on the IBM Personal Computing Support page at:http://www.ibm.com/pc/supportIf you select Profile from the support page, you can create a customized supportpage that is specific to your hardware, complete with Frequently AskedQuestions, Parts Information, Technical Hints and Tips, and Downloadable Files.You will have the information you need, all in one place. In addition, you canchoose to receive e-mail notifications whenever new information becomesavailable about your registered products. You also can access online supportforums, which are community sites monitored by IBM support staff.For information about specific Personal Computer products, visit the followingpages:http://www.ibm.com/pc/us/intellistationhttp://www.ibm.com/pc/us/ibmpchttp://www.ibm.com/pc/us/netfinityhttp://www.ibm.com/pc/us/thinkpadhttp://www.ibm.com/pc/us/accessories