Screen black at restart

Hp pavillion 061 / A645W
December 24, 2008 at 10:08:38
Specs: Windows XP Home, x86 intel/ 512MB

First off I am not a computer whiz so I need help. Whenever I restart my computer the screen stays black and says monitor going to sleep. Now I can restart and use system restore and it runs fine but that is time consuming. Is there a problem with the registry? I have purchased and run Registry Mechanic. Initially there were 247 errors that were fixed and now only on the deep scan part I usually have 1 or 2 errors. Is there something simple I can do to remedy this or is it out of my league. Any help is greatly appreciated. Happy Holidays all.

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#1
December 24, 2008 at 10:21:27

That's a hardware problem. Does this only happen when the system has been powered off for quite a while and is cool? If so, it's probably a flaky connection in the power supply or on the motherboard.

You could try powering down, pulling the AC plug and reseating the motherboard power connector a couple of times.


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#2
December 24, 2008 at 10:29:52

Wow, thanks for the fast response. No this happens everytime I restart the system. Does not matter how long I have used it or not. The thing is that when I use the system recovery(every time I reboot)it will run just fine with no problems. Although I have to reload and plugins or other things that weren't original it runs fine. The screen on reboot looks normal for about 30 seconds and then you get monitor going to sleep and screen is black but power is still on and light is still flickering as active. Does this help any?

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#3
December 24, 2008 at 12:49:01

"The screen on reboot looks normal for about 30 seconds"

Ok, that's different. From your original post it sounded like the screen was blank right from the start.

Now it sounds like it you get a good display while the bios is in control, but the screen goes blank about the time that windows starts.

"Although I have to reload and plugins or other things that weren't original it runs fine."

My guess is that you are loading the wrong graphics driver. You should stick with the driver that is installed by the 'System Restore'.


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#4
December 24, 2008 at 14:40:31

This may change things too. In the earlier paragraph I said that it runs fine when I run system restore. I goofed. What I should have said is it runs fine when I run the system recovery option. It will not let me run system restore. I have to restart and quickly hit F10 or the screen will go black. After the F10 key I wait till I get to system recovery page and choose that option and just WAIT... Sorry for the contradiction in terms. Like I said I am not a computer whiz. Thanks again for the help.

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#5
December 24, 2008 at 15:43:08

I get confused myself between the OEM 'System Recovery' and the Windows 'System Restore'.

Let's see if we can get our communication straight.

System Recovery means you have run the HP recovery software to do either a:
A 'Destructive Recovery' to the way the box came from the factory.
or
A 'non-destructive recovery' (ie: Repair Install).

A 'System Restore' is the Windows backup to a prior time.

So you do an HP System Recovery, non-destructive 'repair' or 'destructive' complete replacement. Right?

Then the system is fine until you do what?


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#6
December 24, 2008 at 17:02:24

Message: I do the hp system recovery(non destructive) and the thing runs fine until I have to restart it. Like after updates of windows security or anything like that. It says to restart in order for changes to take effect. It will not allow me to try the system restore because when it restarts for that partition it will once again go dark. In a nutshell everytime I restart the computer I have to run hp system recovery(non destructive). I hope that clears it up a little. thanks. By the way I do have all the standards like spybot, adavir, malwarebytes or something like that along with the registry mechanic program.

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#7
December 24, 2008 at 17:35:02

That's a weird one. I'm not sure I have an answer.

What caused you to do the initial 'System Recovery'? Was it this blank screen problem?

When you do the System Recovery the system is rebooted, right? And it's ok after that reboot, right?

Check the Device Manager for any problems and make a note of the Display Adapter that is being used.

Is the graphics adapter a card or built-in the motherboard?

If it was me I would try a different monitor and/or a different graphics card (if it is a card).

To me it sounds like during the boot the system either is not picking the right driver. But I have no idea why that should be the case.

I'd like to have you try a test, if you would. Could you go to the Device Manager, uninstall the display adapter and try a reboot.

I'm kinda grasping at straws.

Is saving all your data and doing a Destructive System Recovery out of the question?


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#8
December 24, 2008 at 18:05:56

I've come up with a couple of things to try.

Check the bios and look for the option that designates the amount of main memory to share with the Video adapter. There should be some and it can be as much as 64MB.

We could try reinstalling the driver. The latest and the original drivers can be found at: http://h10025.www1.hp.com/ewfrf/wc/...

I kinda favor the original driver. It must have worked fine at one time.


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#9
December 24, 2008 at 18:24:54

To be honest I am not sure how to do that check and I would rather not do more damage because of my lack of working knowledge. I have run the system recovery(destructive type at least once) but I had the same problem on restart. Really pulling my hair out but don't want to further damage my system. I do appreciate your time and really I was hoping it would be an easy fix that I could work easily enough with the right directions. Obviously it is deeper than I had hoped. Thank you for trying and happy holidays to you. Gotta go do the xmas thing for a little while. Have a nice evening.

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#10
December 24, 2008 at 18:32:43

Happy Holidays to you Mr5439!
Sorry I couldn't come up with a fix. When you get time post back here (with a brand new post) and hopefully you will get luckier with a better helper.

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