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Name: mvoltage
Lately my system will not boot up in the morning on first try. On second boot everything starts up fine. If the PC has been on recently I can power down and it boots up just fine. There are no error messages in the computer management event viewer. No unusual sounds or smells. Why isn't it cold booting?
I have tested my hard drive and RAM and they are fine. I leaning towards video card. I have removed the video card and reseated it and downloaded know to work drivers for it.
I have reset the bios to know working configuration for good measure.
PSU is good.
This PC has run flawlessly for years. What could be causing it not to cold boot?
Long run-up time for the hard disk spindle?
What did you use to test the disk? The best thing to use the drive manufactures own diagnostic programme. That, among other things, will look at the SMART characteristics and show you if the spindle is taking to long to get up to speed when it is cold.
Stuart
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That symptom is an indication of a flaky connection, probably on the motherboard or in the power supply. During the night the box cools down and all the materials in the box contract a little. This will tend to open up any poor connections. The poor connection could be in a cable connection or even inside an electronic component.
My suggestion would be to try reseating the motherboard power connector.(Edit) more information about which point it stops at might be helpful. Do you get the POST beep? Do you get any display? What is the last thing shown on the screen?
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My antec psu is 1 year old and is 100w more than what I require.
When I start up my PC for the first time in the morning, I hear the post beep, one short beep. Then I see the xp home screen with the blue dial showing the os is loading and after 10 sec, the screen goes black and the cpu light shows green.
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It has been mentioned in this forum many times that enough wattage alone does not mean that your PSU is adequate enough. In particular, you need to check things like the number of amps on the +12v rail, etc. See this post, http://www.computing.net/hardware/w...
for example.
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The PSU has worked well for over a year, I have checked number of amps on the +12v rail, etc.
I just put in a new PSU and the PC is doing the same thing.
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Tomorrow morning, open up the case and watch the CPU fan as you power up. If it doesn't start, that's the cause.
If it is the problem, they are usually pretty easy to replace. Just unscrew it from the heatsink, without removing the heatsink from the CPU.
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