Gateway DX4640-UBC01A PC Desktop Logo
Posted on Dec 19, 2009
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Slow flashing blue power lite. Monitor shows no

Slow flashing blue power lite. Monitor shows no signal received. Nothing has been added or removed from the computer

Gateway DX4640

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  • Posted on Dec 19, 2009
Computer hardware and networking support
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First when you power up the computer press F8 key then enter in enable vga mode.
If you are able to enter then go to start menu->control panel->display property ->settings.
Change screen resolution to 1024*768 then apply and ok.
But if you are not able to see safe mode and other menu.
Then open cpu cabinet .
Refix RAM memory.
Pull cmos cell from motherboard for 10 minutes.
Reattach all connection harddrive.
Open processor fan and processor remove dust from all parts.
Make sure motherboard is not ground with cabinet.
Remove PCI cards if any.
After all above still same then change RAM then try.
Let me know if you need further assistance.
Thanks for using FixYa.

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  • Posted on Dec 22, 2012
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I had this problem Gateway says 1. with power off, unplug the computer from the outlet 2.Then press and hold the on button for 10 seconds as this will reduce static build up with the power cord unplugged. 3.When you press the button you will see the blue light come on momentarily that is when it is statically discharging the system..Believe it or not this issue has gone away without all the technical solutions.

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  • Posted on Jul 03, 2010
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Slow blinking power button light ,gateway dx4720-03 monitor won' t come on

  • Anonymous Dec 22, 2012

    I had this problem Gateway says 1. with power off, unplug the computer from the outlet 2.Then press and hold the on button for 10 seconds as this will reduce static build up with the power cord unplugged. 3.When you press the button you will see the blue light come on momentarily that is when it is statically discharging the system..Believe it or not this issue has gone away without all the technical solutions.

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Power blue light flashing when i turn the computer on
It depends on where the blue light is. Is the blue light on the monitor or on the computer tower? If it is on the monitor the monitor is having problems and needs to be serviced. If it is on the tower it could be an issue with the power supply.
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Well we had a power outage today and when the power came back the computer went back on but instead of starting up windows the blue power button flashes. but the fans and components inside the computer...
if there is no post sound (beeps) and the pc does have a speaker you can try this first.

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The screen seems dead
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