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Eight of the troubleshooting flowcharts for PC hardware from my book "Computer Repair with Diagnostic Flowcharts Third Edition" are excerpted on this site and linked below. The non-active links are for charts that are included in the book but not available online. The Third Edition is 170 pages and includes seventeen flowcharts for troubleshooting PCs plus explanatory text for every decision symbol on every flowchart. The troubleshooting process is the same for an expensive Sony or IBM, or a cheaper eMachines or Acer. Dell and HP (who purchased Compaq) manufacture desktop PC's in a wide range of price points, but you have to go through the same troubleshooting steps for the cheap ones as the expensive ones if you want to correctly identify and repair the failure. Power Supply Failure Video Card and Display CPU, RAM and Motherboard , CPU and RAM Performance (flowchart on poster) Hard Drive Failure Drive Performance (flowchart on poster) CD and DVD Failure and DVD Recording Problems (flowchart on poster) Modem Failure Performance Sound Card Diagnostics and Game Controller Performance Network Troubleshooting SAS and SCSI Failure (flowchart on poster) Peripheral Failure Resolution Boot Failure Troubleshooting Poster ( 30" x 30" printable PDF). Zoom to 100% after it opens or you'll barely be able to read it! Poster not for sale, but you are authorized to print a copy for personal or classroom use. To print at full size requires an "E" size plotter or a large copy shop printer. My local copy shop charged $7.00 to print a copy. Computer Repair with Diagnostic Flowcharts Third Edition: Troubleshooting PC Hardware Problems from Boot Failure to Poor Performance, is not for absolute beginners, as you can see from looking at any of the diagnostic charts. There are no photo-illustrations in the book, no history, nor explanations of basic computer part functions, like "What's a hard drive?" The focus of the book is teaching a structured approach to PC repair. The intended audience is hobbyists who already have some experience repairing computers or beginning computer technicians.
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