Computer Repair and Troubleshooting Guide
Basic Computer Troubleshooting
Here is a step by step guide on how to Repair or troubleshoot a Computer. This is the normal procedure used by most Computer Technicians in Repairing or troubleshooting a PC. How to Repair, Troubleshoot a Dead PC or Computer Although the PC that I used here is an old Pentium 3 Computer, this Computer...
Computer Monitor Troubleshooting
How to troubleshoot a Computer Monitor Computer Monitor Doesn’t Display Anything Image via Wikipedia Is the monitor turned on? Check the green LED power on the monitor if it has one. * Adjust the brightness nod contrast controls all the way to Maximum Check the video cable from the monitor to...
Computer Mouse Troubleshooting
Troubleshooting the Serial Mouse Serial mouse does not respond The COM settings the DTR settings and possibly the interrupt settings need to be set properly on the serial card Check with the manual to be sure you have the correct settings. Remove all other serial ports to be sure they are not conflicting...
Printer Troubleshooting
Troubleshooting the Printer Serial printers can be very problematic. They may require you to; get a special cable: redirect the parameters from IPT I to COM I: and set the baud rate and parity to match between the software and the printer. Check with the manufacturer or documentation for the correct...
Modem Troubleshooting
Modem Troubleshooting Cannot call out or receive calls. Make sure the phone line is clear and operable by calling out with a telephone. Double check that the parameters for baud, parity stop bits, etc.. have been set properly. Check that the COM ports are matched between the hardware and the communications...
Computer Memory Troubleshooting
Computer Memory Troubleshooting Parity Errors • Parity errors indicate that memory is bad. • First if the computer has memory expansion board, determine if the faulty chip is on the memory board or the motherboard. • If the memory error came up during the RAM check it will stop at the...











