Saturday, March 22, 2008

HP Media Center PC m7250n Booting Problem

Intro

Since I bought this machine I had some issues occasionally that the PC would "freeze" and only a hardware reset (turning it off) would bring it back. After this happen sometimes machine just boots normally and sometimes it does not boot just produces a continuous beeping (does not sound like BIOS beeping codes).

Symptoms
  • PC "freezes" after some time. Only turn off helps.
  • PC sometimes does not boot. Continuous beeping that does not resemble BIOS beep codes.
Solution

After searching some forums I found that this is usually bad RAM issue. The problem seemed to be solved with removing the RAM card, vacuum cleaning the whole motherboard and cleaning the RAM with alcoholic (do not drink and drive). After reseating the RAM back into the slot the thing worked nicely for last 2-3 weeks without a single freeze. Usually it would freeze once or twice a week.
I also used the opportunity to nicely clean CPU fan and other fans on the case.

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