2. When repairing the computer’s card failures such as non-display, blurry or unstable display, it is not necessary to use a multimeter to measure the PCI bus interface between the card golden finger and the motherboard one by one. This card tester can quickly detect the circuit and the CPU Short-circuit failure, with 100% accuracy, is a standing tool for repairing cards.
3. When repairing the computer card, if the display card does not display, the screen is blurred, etc., first check the appearance for obvious burnt marks, whether the PCB is obviously disconnected, and whether the of each group is normal. If it is normal, use a tester to further measure the CPU Whether the data cable connected to the motherboard PCI interface is normal.
1. AGP, PCI-E tester is mainly used to test the circuit and short circuit of the data bus connecting the computer card chip CPU and the computer motherboard PCI to the ground
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4. a 12V supply to the tester, insert the fault card into the corresponding slot, press the Press switch in the right , the corresponding indicator on the tester should be all on, if it is not on or flashing, the brightness will change significantly , Or caused by the circuit or short circuit of the main chip CPU, use the universal meter to further determine the fault
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