hardware failure
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From: lesio on 31 May 2010 17:53 hi, I have PC with P4 and win xp during regular operation it suddenly shut down; I replaced my power supply - I tested 3 different power suply - no reaction from my PC; what else can be the reason for this type of behavior? any suggestions? thank you lesio
From: Paul on 31 May 2010 21:02 lesio wrote: > hi, I have PC with P4 and win xp > during regular operation it suddenly shut down; > I replaced my power supply - I tested 3 different power suply - no reaction > from my PC; > what else can be the reason for this type of behavior? > any suggestions? > thank you > > lesio A sudden shutdown, could be an overheated CPU. Check that the CPU heatsink is securely fastened to the motherboard. Check that the CPU fan is spinning. Sometimes, a clip on the CPU heatsink will snap, leaving the heatsink dangling loose. Also, look at the motherboard, for bulging or leaking capacitors. Especially near the CPU socket. It could be that the motherboard is overloading the power supply, due to some failed power circuitry. The leakage may be a rusty brown in color. http://en.wikipedia.org/wiki/Capacitor_plague http://www.badcaps.net/images/caps/kt7/image004.png Paul
From: Bob Willard on 1 Jun 2010 07:04 lesio wrote: > hi, I have PC with P4 and win xp > during regular operation it suddenly shut down; > I replaced my power supply - I tested 3 different power suply - no reaction > from my PC; > what else can be the reason for this type of behavior? > any suggestions? > thank you > > lesio The CPU can also overheat if the case fans or filters are dirty. And, the fans can stop spinning due to age, even if they are clean. Note that, if the problem is overheating due to fans or filters, the PC should turn on briefly after you let it cool for an hour or so. -- Cheers, Bob
From: lesio on 3 Jun 2010 21:53 guys, thank you for the info; I will check for any signs of leaks/overheating on the MB I vacumed my fans last month, also I kept my box (ATX?) open for better air circulation - for no specific reason except that it's hot in the room (really:)) my PC is 4-5 years old when I try to turn it on after a day or so there is zero responce can it be mb failure - basically what I mean that to fix it I would have to buy new mb? let me know thnx lb "Bob Willard" wrote: > lesio wrote: > > hi, I have PC with P4 and win xp > > during regular operation it suddenly shut down; > > I replaced my power supply - I tested 3 different power suply - no reaction > > from my PC; > > what else can be the reason for this type of behavior? > > any suggestions? > > thank you > > > > lesio > > The CPU can also overheat if the case fans or filters are dirty. And, > the fans can stop spinning due to age, even if they are clean. Note > that, if the problem is overheating due to fans or filters, the PC > should turn on briefly after you let it cool for an hour or so. > -- > Cheers, Bob > . >
From: Paul on 3 Jun 2010 23:52
lesio wrote: > guys, thank you for the info; > I will check for any signs of leaks/overheating on the MB > I vacumed my fans last month, also I kept my box (ATX?) open for better air > circulation - for no specific reason except that it's hot in the room > (really:)) > my PC is 4-5 years old > when I try to turn it on after a day or so there is zero responce > can it be mb failure - basically what I mean that to fix it I would have to > buy new mb? > let me know > thnx > > lb You have tried three power supplies, so it isn't likely to be a power supply problem. Is the power button cable, connected to the PANEL header pins on the motherboard ? Check that your PANEL wiring is in place. It is also possible for the Power button on the front of the computer case, to be broken. Sometimes the button itself gets broken, from pushing on it so many times. You haven't given any details about your computer make and model. Perhaps if we know more about the motherboard make and model, or the computer make and model, some other ideas will come to mind. Another possible explanation, is the original power supply was a Bestec 250W supply, the supply failed, and ruined the motherboard. And then the motherboard won't turn on your other power supplies. http://myreader.co.uk/msg/102016166.aspx http://www.censuspc.com/Bestec-ATX-250-12E-ATX-250W-Power-Supply-GW-Part-No-1763-pr-4389.html Paul > > "Bob Willard" wrote: > >> lesio wrote: >>> hi, I have PC with P4 and win xp >>> during regular operation it suddenly shut down; >>> I replaced my power supply - I tested 3 different power suply - no reaction >>> from my PC; >>> what else can be the reason for this type of behavior? >>> any suggestions? >>> thank you >>> >>> lesio >> The CPU can also overheat if the case fans or filters are dirty. And, >> the fans can stop spinning due to age, even if they are clean. Note >> that, if the problem is overheating due to fans or filters, the PC >> should turn on briefly after you let it cool for an hour or so. >> -- >> Cheers, Bob >> . >> |