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Method and device for diagnosing computer hardware through USB interface

A USB interface, computer hardware technology, applied in the computer field, can solve problems such as time-consuming, and achieve the effects of cost saving, convenient maintenance, and convenient computer development

Inactive Publication Date: 2014-10-01
HEFEI LCFC INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method and device for diagnosing computer hardware via a USB interface, which can solve the time-consuming problem caused by having to disassemble the casing when diagnosing computer failures

Method used

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  • Method and device for diagnosing computer hardware through USB interface
  • Method and device for diagnosing computer hardware through USB interface
  • Method and device for diagnosing computer hardware through USB interface

Examples

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Embodiment Construction

[0036] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] figure 1 It is a schematic diagram of the method provided by the embodiment of the present invention that can realize computer hardware diagnosis via the USB interface, such as figure 1 As shown, the specific steps are as follows:

[0038] Step S1: When the computer detects that an external device is plugged into its USB interface, it identifies the ID of the external device.

[0039] In step S1, also include:

[0040] A USB switch is set in the USB controller of the computer, and the channel corresponding to the USB function is opened or closed by using the USB switch;

[0041] Wherein, the USB function refers to the data stream transmission fu...

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Abstract

The invention discloses a method and device for diagnosing computer hardware through a USB interface and relates to the technical field of computers. The method comprises the steps that when a computer detects that an external device is inserted into the USB interface of the computer, the ID of the external device is identified; if the external device is judged to be a diagnosing card used for diagnosing the computer hardware according to an identifying result of the ID of the external device, a detection result of an internal self-check program of a BIOS is transmitted to the USB interface, and then is transmitted to the diagnosing card through the USB interface so that the diagnosing card can diagnose the computer hardware according to the detection result of the internal self-check program of the BIOS. According to the method and device for diagnosing the computer hardware through the USB interface, the USB interface of the computer can have the hardware diagnosing function, a common USB device and a common USB diagnosing card are intelligently identified, maintenance and computer development are facilitated, cost is saved, the operation of reserving a connector of a diagnosing interface is omitted, and thus computer faults can be diagnosed without demounting a shell.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a method and device capable of realizing computer hardware diagnosis via a Universal Serial Bus (USB: Universal Serial Bus) interface. Background technique [0002] The computer motherboard fault diagnosis card can quickly and conveniently judge computer hardware problems, and is a relatively popular diagnostic tool at present. The computer motherboard fault diagnosis card is a test card that can detect the fault of the computer motherboard. After that, continue to visit the 80Port port, and display the POST code through the digital tube of the computer motherboard fault diagnosis card. When the computer motherboard goes wrong or crashes, the POST code displayed by the digital tube of the computer motherboard fault diagnosis card stops changing. The tester judges the cause of the error according to the POST code displayed on the nixie tube that stops changing. [000...

Claims

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Application Information

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IPC IPC(8): G06F11/22G06F13/10G06F13/38
Inventor 徐小军
Owner HEFEI LCFC INFORMATION TECH
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