【1】*** MUST see the 3rd pictures in listing that highlights the correct PCI slots to work ***. Using this kit wrongly on motherboard other PCIe port is not the reason of "Doesn't Work". Please make sure the motherboard has PCI slot before placing the order. The Large Desktop PC motherboard diagnostic card is NOT a PCIe card but a Standard PCI card. If the PC has PCIe express slots only, please see my other listing with the "V8 PCIe Diagnostic Kit" instead. ***DO NOT push the Wrong pins with excess force to avoid issue. MUST MAKE SURE PSU 4 / 6 / 8 pin power connector pins match and fit to the tester exact same 4, 6, 8 pins CORRECTLY although the PSU tester is fault tolerant and preventive. 【2】This starter kit comes with 1 large PCI test board and 1 small laptop test board for the old desktop PCs and old laptops diagnosis respectively. The large test board comes with【BIOS SPEAKER】to get the desktop PC motherboard Bios beep codes. The 【motherboard power switch cable】is nice to quick check the sticky or damaged PC motherboard power switch button and cable causing no power ON issue. The【the Anti Static Wrist Strap】is a plus to help discharge static during the PC repairs. The 【ATX PSU tester】in this kit is either Blue or Black Color with EXACT same features to quick test the 20/24 pins PC ATX PSUs. 【3】Nice starter kit for old computers no Power On / Auto Power OFF / no POST / no Display / no Boot ...etc. diagnosis. No need to swap Known Good Parts in the computer repairs. Save time and money!! All parts are packed well and stored neatly in a nice 【Portable Carrying Storage Case】. A overall great starter kit to add to our tool boxes! Great for computer class learning and old PCs quick troubleshooting needs as well. 【4】Please see the listing for the instruction PDFs. *****【On the listing page】, scroll down to after the "Product Information" table the "Product guides and documents" section, BOTH the pictorial "User Guide (PDF)" and the "User Manual (PDF)" are needed. *****. ***** Besides, please DO NOT discard the ITEM PACKING Included Paper Manual Note Printout since that also contains the complete Instruction folder info!!! ***** 【5】Online Easy Guide and Pictorial Manuals to guide step by step with complete list of codes description. Downloadable manuals to stay updated. Welcome to conact if any question or need helps. Quality Genuine Computer Hardware Diagnostic Test Starter Kit with Free Lifetime Customer Service Supports from 29 years professional computer hardware work experienced seller. This is a nice quality computer diagnostic test tool kit that helps to quick troubleshoot older desktop PC, laptop and server computers hardware errors. Comes with the following items including all the cables and adapter accessories parts in a nice sturdy OTG (On-The-Go) carrying case.

A. Desktop PC Standard PCI motherboard diagnostic card with onboard LEDs and speaker for Bios beep codes. This large diagnostic board works on the desktop PC computer standard PCI slot, if need the motherboard diagnostic test kit that works on the newer computers new USB or PCIe slots, please see my other listing with the V8 PCIe Diagnostic Kit.

B. Audio beep cable to connect the large PC diagnostic board to the desktop PC motherboard speaker pins to get the Bios beep codes

C. Laptop full size miniPCI and miniPCIe 2-in-1 diagnostic card

D. ATX Power Supply Unit (PSU) LED tester

E. PC motherboard power switch cable checks on the issues of PC not powering ON using the original PC case power button and the PC powering OFF in a few seconds. It helps to rule out these problems are not causing by the original faulty PC power switch and/or the power switch cables.

F. Corded elastic antistatic wrist strap to discharge static off hands, adding extra layer of protection.

This is a very nice essential computer motherboard diagnostic POST test card tool kit for getting start with the own home / school computers troubleshooting self diagnosis and for computer hardware learning purposes.
Great helpers to the technicians as well.
A nice complete older computers motherboard diagnostic tester starter kit. It delivers the accurate and reliable diagnosis results.
Automatically scan the motherboard and power supply unit (PSU).
Direct pinpointing the faulty areas
No need to prepare a set of Known Good Parts to swap and check the motherboard. Hope my 28 years computer hardware experience prepared Easy Guide and Pictorial Manuals help!