This is a nice quality computer diagnostic test tool kit that helps to quick troubleshoot desktop PC, laptop and server computers hardware errors.<br><br> Comes with the following items including all the cables and adapter accessories parts.<br><br> A. Desktop Standard PCI motherboard diagnostic card with onboard LEDs and speaker for Bios beep codes works on the dekstop PC computer standard PCI slot, if need the test kit works on the other PCIe slot, please kindly see my other listing with the PCIe ProKit<br> B. Laptop full size miniPCI and miniPCIe 2-in-1 diagnostic adapter card<br> C. Audio cable to connect the large PC diagnostic board to the desktop PC motherboard speaker pins to get the Bios beep codes<br> D. ATX Power Supply Unit (PSU) tester<br> E. PC power switch cable to check on the no power ON or intermittently auto power OFF, helps to rule out the computer no power ON issues are not causing by the faulty PC power switch and/or cables<br> F. Corded antistatic wrist strap to discharge static off hands<br><br>A very nice essential diagnostic test tool kit for getting start with the own home / school computers self diagnosis and learning purposes.<br>Great helpers to the technicians as well. A nice complete diagnostic kit for both novice and professional<br><br> Comes with the new latest chipsets and diagnostic engine in delivering the accurate and reliable diagnosis results.<br><br> Automatically scan the motherboard and power supply unit (PSU) to detect the faulty components. Direct pinpointing the faulty areas so we get to know what part(s) need repair or replace.<br><br> Save money in preparing a set of Known Good Parts in the traditional computer hardware repairs.<br><br> Hope my 20 years computer hardware experience prepared Easy Guide and Pictorial Manuals help! Free Life Time Support! Thank you!