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Re: screen is jumping on my compaq what could be the...
Its either going to be the screen or the cable going from the screen to the motherboard is bad. My suggestion if your notebook is under warranty, try to get the screen and the cable replaced. That way if the problem still exists then you know for sure its a motherboard problem. Hope this helps.
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If the screen on your laptop is jumping, this is typically do to a video graphics driver. Try making sure all your drivers are the most up to date. If you are using Windows, go into your device manager, then where the graphics/video drivers section is, highlight and select to update. In the case of Windows, letting them connect and update is typically the most viable option.
probably a loose video cable. you can take the machine apart to troubleshoot, or you can take it to a repair professional. does it jump if you're sitting still or does it only jump when you're moving? try to reinstall your graphics driver from the manufacturer's website. Windows Update may have installed an 'updated' version of the driver but more often than not this causes problems. so you can either try to go to the manufacturer's website or you can simply go to device manager and try to roll back the driver to the previous version.
There are a few reasons why? One the video card is going on the mother board. A loose connection that requires professional attention to check or make sure that the cabling is correct, which requires taking the laptop apart where the power button is located near there as well. BIOS could be going bad or need an update. I would start with inspecting the cable going to the monitor first to make sure it is solid. The laptop I assume works great once it is booted up and running. If this is not the case and you still getting periodic splash screen jumping then it would be the video card. This is why it is a great idea to purchase a laptop cooling fan while in use. John
Check to be sure the ribbon connections are tight. If they are and the previous screen worked perfectly before it was damaged (assuming it was replaced because it was cracked etc) then you may need to return the screen and try another one.
Sounds like a hijacker. Run an anti-spyware scan. If that's not the case, it could be a hardware issue, depending on how and when this started and whether any defected software/hardware was installed to cause this issue.
Loose or broken cable inside the unit would cause this issue. This will need to be opened up to examine the cause of this issue its with the lcd and nothing else here. So if the lcd still works it sounds like a signal cable being pulled on or has a short what have you but it needs to be checked.
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