AGP slot tester is used to test open circuit or short circuit of PC motherboard north bridge chipset. When the motherboard does not display, while the CPU would not work or when the CPU work well and the AGP display card does not display, AGP slot tester can be used to test the error.

The LPT & IDE tester is for testing open circuit or short circuit occurs on the motherboard, hard drive IDE port and parallel port.

* Motherboard error always shows as below: no display, fail to turn on, fail to find the hard drive or unstable motherboard.
* All these problems can be tested by LPT & IDE tester.
* As long as open circuit or short circuit can be tested, the error would be south bridge.

PCI-E slot tester can diagnose the open circuit or short circuit of motherboard PCI-E slot quickly.Instead of manual testing, it can find the error easily without knowing the resistance value.

Note :The Product runs On a 12 Volts Adapter And The Same is Not Included .