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Tech Helproom


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Computer stuck at Splash Screen


Richardflea

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HP COMPAQ SG3-220UK

I was using my computer as normal the other day. Browsing the internet, gaming etc. After a while, the system froze. I couldn't move the mouse and the keyboard wouldn't do anything (numlock, caps wouldn't turn on/off). The only thing I could do was to hold in the Power button to turn the thing off. After it turned off, I waited a few seconds and proceed to switch it back on again. The Compaq splash screen appeared with the words beneath. No other options such as the usual F8/F12/Esc. The computer had completely frozen. It would not progress past this screen. I could not press any keys on the keyboard to enter setup or BIOS. After waiting about 5 minutes, I had to hold the power button down again to switch it off.

Using my macbook, I've googled the problem to see if others have had it. People recommended clearing CMOS by moving the jumper to the further pins. I tried this but it failed to make a difference. After trying it yet again, the Compaq splash screen eventually showed the rest of the options (F12, Esc and such) after about 2 minutes of waiting. Windows 7 began to load and I got to the login screen. But none of my USB devices would work. My mouse was getting power as the LED was responding inside it but it wasn't moving the pointer on-screen. No lights were on the keyboard. So, I could not type in my password to log on. Again, all I could do was press the power button to shut down. I got the "Shutting down" screen for about 2 minutes. The screen then went black as if it had shut down, though then I got a BSOD stating BUGCODEUSBDRIVER.

I am stuck in this loop, if it can be called that!

I have tried starting the computer with USB, HDD, CD disconnected from the motherboard but it makes no difference. I recently upgraded to 8GB RAM (2x 4GB) so decided to put in my old 2GB alone to see if that would help but nothing changed.

For the past week that it was working, every now and again, I'd receive "USB DEVICE NOT RECOGNISED a USB device attached to this computer has malfunctioned" though all of my USB devices still worked just fine. I did notice that one of my front USB ports no longer worked and thought that it was just dying. I never used it and thought nothing of it.

Any help would be GREATLY appreciated. I do not wish to have to buy a new motherboard/PCI graphics card/disk-based OEM.

I can provide hardware details to an extent if necessary.

Richard Alexander

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Richardflea

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Yep, disabling it caused a BSOD as well. System restarted itself and it's still enabled in the Device Manager.

I notice when I right-click on this "USB Root Hub" device and view properties, on the 'Power' tab under 'Attached Devices' it says there is something connected to it with the description "Unknown USB Device" constantly.

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gengiscant

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Do you know exactly which USB port is giving you the problems, if its a front one just pull the connector from the motherboard header. If its a rear one,we'll need to think again.

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Richardflea

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I am almost certain it is the front-right most USB port. I've tried unplugging it from the motherboard before but no luck.

I'll give it another shot now though, since the PCi has been installed etc.

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gengiscant

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If after unplugging you are still getting BSOD's then it looks like your fault lies in the motherboard USB header.

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Richardflea

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Yeah, I'm still getting them. Device Manager doesn't show any differences when I remove a USB from the motherboard at all.

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gengiscant

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I think we're running out of options here, what do you think?

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Richardflea

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Unless I can get my hands on a PS/2 connection for a PCI x1 slot so that I could attempt to enter the BIOS to see what's going on at least... I can't think of what else can be done.

I'm still bemused as to why I can't use the keyboard at all until the login screen. It pretty much rules out any BIOS or recovery disk methods for the future. Taking the thing back to the shop would either result in a people spending weeks trying to fix it or get a replacement computer and I dont want to get something worse in exchange! Specs are important to my work.

I'll continue to use the computer for now via the new PCI-based USBs to see how it copes.

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gengiscant

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Something like this? http://www.amazon.co.uk/PCI-USB-PS2-CONTROLLER-CARD/dp/B003TX6932

Sorry about the link the globe icon is not showing, in fact none of them are showing.

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Richardflea

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Like that, but for a PCI express x1 slot.

Same kind of connection as this http://brain.pan.e-merchant.com/2/1/07929912/l_07929912.jpg

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gengiscant

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Don't think such a card exists to be honest.

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