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8. CD-ROM problem

If the internal drive is damaged, it will also lead the host to start slow or can not be self-test, it could be a sudden resumption of the process at work. In the latter case if it appeared after we replace the CD-ROM, and most likely a different drive power consumption caused.although the CD-ROM drive ATPI interface the same, but the pin definition of the different manufacturers are not the same, if hard-line have a problem, it may give rise to a certain brand of CD-ROM with no problems, but the other brand of CD-ROM will not be able to work.

9. RESET key to quality problems

If the RESET switch is damaged, the internal reed always take a short position, the host can not Power On Self Test. But when the RESET switch on the elastic weakening or chassis button press down hard bounce, they will appear in the use of the process, because the occasional touch the chassis or in the normal use state, the host suddenly restart. So, when the RESET switch can not be pressed smoothly, we must carefully examine the best replacement of the RESET button on the external switch or button on the chassis lubrication treatment.

In another case, because the chassis of the RESET switch at the welding wire insulation stripping too much, coupled with the process of using multiple unboxing RESET switch line will result in too close and caused the collision, leading to the host automatic restart.

10. Access card or parallel port, serial, USB interface to access external devices caused automatically restart

This situation is generally due to faulty peripherals, such as the printer’s parallel port is damaged, a foot-to-ground short-circuit, USB equipment damage to ground short-circuit, working non-standard network card and so on, when we use these devices,ecause of the sudden Power short circuit, the computer will restart.