Ammorth Posted February 2, 2008 Share Posted February 2, 2008 I recently (yesterday) bought a VX450W PSU to replace my old, loud, and weak one. I installed it without a hitch and started up my computer. It booted fine, like I knew it would. The problem occurs when I woke up this morning. I turned on the computer and I hear the fans start, but nothing else. The fan (I beleive it is the PSU fan) begins pulsating between fast and slow. I turned it off, waited a minute and turned it back on. All the fans began running at high and continued to stay high. The computer didn't turn on again. This continued for about 10 tries, randomly pulsating or staying at high speed. Finally, on one of the start-up, the computer booted up. When the computer is running, there are no wierd sounds and the fan doesn't pulsate. The only time the fan has reached high speeds (while the computer was running) was when I did a stress test on the system. It performs excellent, if the computer starts. I went through the support thing and it said to send it in. I don't think it's that much of an issue to send in (since it does "work", just not all the time) that I decided to ask here. Any ideas on what to do or what is wrong? Thanks in advance, Ammorth Update: As of now, it hasn't had this problem for the last couple boots, but I would still like to know why it was doing so. I also found it had more of a chance of booting up if my case was on it's side (maybe just pure luck, or maybe it has something to do with it, I don't know). Again, thanks for the help. Link to comment Share on other sites More sharing options...
EliteKiller Posted February 2, 2008 Share Posted February 2, 2008 If possible I would try the psu on a different computer to see if the problem follows the part. Otherwise reseat all of the cables and see what happens. Link to comment Share on other sites More sharing options...
Wired Posted February 3, 2008 Share Posted February 3, 2008 P5RC-LE appears to be an OEM motherboard. Do you know if it supports standard power supplies, or only proprietary OEM ones? Who makes your system? Or did you mean P5CR-L? Link to comment Share on other sites More sharing options...
Ammorth Posted February 3, 2008 Author Share Posted February 3, 2008 The system was made by Compaq (HP) and I have been upgrading it since. The motherboard detailed specs are here: ASUS P5RC-LE It doesn't mention anything about power supplies. I can't get it to do the fan thing anymore (the past couple days and 30+ reboots) and I tried it on a different computer and it all seems fine. I asked a tech friend of mine and he said it could have been anything acting up, which would produce those symptons. If it happens again, Ill post back. If I find out what was causing it, I'll include that as well. Thanks again for all the help. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 4, 2008 Corsair Employees Share Posted February 4, 2008 Let us know if you have anymore problems! Link to comment Share on other sites More sharing options...
Garvin Posted February 4, 2008 Share Posted February 4, 2008 That board uses an ATX supply. Link to comment Share on other sites More sharing options...
Xtreeme Posted February 5, 2008 Share Posted February 5, 2008 Propriatary PSU's are a thing of the past. Last I checked they all switched to standard atx psu's on desktops (workstations and servers may still use them). It wasnt that long ago though that they used special wiring configs so you had to buy a psu from them. Ammorth I had that EXACT thing on a older s939 board. It had a "cold boot bug" where sometimes, especially if really cold in winter it would hang and not even try to post, hitting the reset would make it go though or just powering on again. Its prob the mobo causing it and nothing to worry about. Link to comment Share on other sites More sharing options...
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