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blank screen at boot

By Chester Peterson ·
Here is a strange problem that I have spent days trying to solve with no luck.
I have 2 Pentium II machines here which up till 3 days ago worked fine. No 1 machine had a power problem, basically when u turn it on nothing happened. So I took out the power from machine no 2, put the atx power cable into the motherboard No 2 and the power switched on. So it was pretty obvious that No1 needed a new power supply, which I purchased and fitted into No1.
Now what happens when I start No1 is, the hard drive powers up but then the computer seems to stop there. I get nothing on the screen at all and no beeps (i dont think the speaker works). I have trying swapping the RAM, CPU, Video card, taking out all the PCI cards except video and still get a blank screen. I always use an anti-static strap as well.
Now to the strange bit, machine no2 with the power put back in does the exact same thing, a black screen at startup.
So both Pc's which have same motherboard boot to a blank screen. (I think the speaker works on PC No2 but hear no beeps)
What is going on? Anyone?

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blank screen at boot

by dmiles In reply to blank screen at boot

Have you expierenced any power surges that would cause the power supply to go bad.Use a multimeter to test the voltage

Check the CPU so make sure that it is working properly,the fans are turning and it is properly seated

Check the motherboard,or another power supply

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blank screen at boot

by Chester Peterson In reply to blank screen at boot

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blank screen at boot

by rleepy In reply to blank screen at boot

hi,

First of all, pls ensure that your RAM is properly seated into the dimm slot, and your VGA card as well. Such fault is normally due to this 2 items. Pls confirm that both items are working, by using any spare components that you may have.

rdgs,
Roland.

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blank screen at boot

by Chester Peterson In reply to blank screen at boot

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blank screen at boot

by Chester Peterson In reply to blank screen at boot

Both the Ram and VGA card work in other machines and I made sure they where seated properly.

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blank screen at boot

by Chester Peterson In reply to blank screen at boot

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