Computer won't boot past HP welcome

March 31, 2009 at 15:31:08
Specs: Windows Vista

My computer won't boot up after loading the most recent windows update. I don't know if this is related or just coincendence.
It will not start up the keyboard so that I can use the :edit start up features. I try to boot to a recovery disk that I made when I got the computer but that doesn't work either....meaning it doesn't read it. The drive light comes on though.

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#1
March 31, 2009 at 16:44:14

If nothing else is wrong, the keyboard should work fine until Windows starts to load even if Windows is not working right.

You should always be able to get into the bios Setup while booting with a PS/2 keyboard by pressing the appropriate key to do that while the prompt appears on the screen.

If a PS/2 keyboard doesn't work to do that, try another one if you can, or try yours with another computer - if the other PS/2 keyboard doesn't work, or if your PS/2 keyboard works on another computer, the most likely thing is the power supply is failing.
Failing power supplies are common and can cause your symptoms.
Check your PS.
They often partially work, fans and hard drives may spin, leds may come on, yet you get no video and the mboard will not boot all the way.
See response 4 in this:
http://www.computing.net/hardware/w...

The CD drive, floppy drive if you have one, and the USB ports cannot work properly if the power supply is not putting out enough of what is supposed to be an accurate 5v.

If the power supply brand is BESTEC, it's a lot more likely it is failing.
....

A USB keyboard will work to get you into the bios Setup while booting if Legacy USB or USB keyboard or similar is enabled in the bios - on older mboards that's usually disabled by default - on newer mboards that's usually enabled by default.
.....

"I try to boot to a recovery disk that I made when I got the computer but that doesn't work either....meaning it doesn't read it. The drive light comes on though."

Using the HP Recovery disk or Recovery disk set is a last resort.
If you have or can borrow a regular full version Windows CD, that can help you fix many problems without you having to use a Recovery disk or disk set.

In order to boot from a CD, the CD must be bootable (try it on another computer; if you made a set of Recovery disks using the HP program only the first one is bootable) and a CD drive must be before all hard drives in the boot order in the bios Setup.
If both of those things are right, and if there's nothing wrong with the computer's power supply, you will see "Press any key to boot from CD" or similar while booting - press the key while that appears on the screen (often within 5 seconds) .

The led on the CD drive always flashes briefly while booting even if there is no CD in the drive. If there is a CD in the drive, it will flash more - if the CD is bootable it will flash more yet.
If the power supply is failing, the led may still come on, but the CD drive may not recognize there's a disk in the drive.



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