Question about HP EliteBook 6930p Notebook PC

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Hi, My Hp Elitebook 6930p display sometimes just goes progressively blank...the image freezes and then it goes from white to a lot of different colors (every pixel different color) and then just black starting from the edges towards the middle of the screen (only takes a few seconds to go through all these states before returning to normal just briefly and then starting all over again). I've used a projector which worked fine so I'm pretty sure it wouldn't be a software problem. I've tried running it without the battery in or just on battery power and same results. Also tried adjusting the contrast settings which didn't make any difference. Sometimes it can work for a few hours without having this problem but sometimes it just constantly does it for 10-15 min at a time. When the display does that I can also hear a weird high pitch sound coming from the inside of the laptop. It does it just randomly even right after re-booting it or after turning it on after it has been off for hours so I'm guessing its not a cooling problem.I've also noticed that running high demand graphic applications such as video games don't make any difference....sometimes they work fine and sometimes i get the exact same problem. Any ideas what I could try to solve the problem? Thank you, Aleccs

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  • Larry Ng
    Larry Ng Mar 31, 2017

    Hi aleccs14, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?



2 Answers

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  • HP Master
  • 2,245 Answers

Is this a 2008 Laptop?
if yes the LT has solder ball failure.
1: bad screen or
2: bad GPU solder ball failure (vast 2008 did this)
my Elitebook has GPU card that unplugs and a $20 fix.
yours takes magic (high skills) to replace GPU on MOBO.

the diagnosis is very hard,
new display for $100 then find mobo dead (gpu)
or new (used) mobo only to find screen dead. $50?

hope its just loose screen connectors inside.< hint hint?

ask each seller for , if good, and is it guaranteed to be good.

Posted on Apr 01, 2017

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  • HP Master
  • 20,706 Answers

Easy, plug in any external display (vga first)
work now.?
also my elite book has a removable video card
also run free temp monitor software, as CPU core heat and GPU
if GPU overheats, fix that first.

mine has the 15p vga rear
and a video port left that i connect to my HDMI adaptor to TV
so i can watch screen on huge 60" tv if want.

why not use the external displays?
the hot key on top row turns this on..
the manual is free to read 24/7

page 16 in your manual shows
"VGA (Dsub 15-pin) supporting 1600 ×
1200 external resolution at 75-GHz (hot
plug/unplug with auto-detect)"

mines set to auto detect. per same book.

my 8540w has "DISPLAY" port left side and works with HDMI
so mines more ELITE, nana nana.....LOL

Posted on Mar 10, 2017

  • _-__-___-_
    _-__-___-_ Mar 10, 2017

    oops yours has the none removable Video chip, mine is a card
    and i can up grade it and have 3 times
    3 systems.
    you may have the solder ball failure.
    horrid thing to have.
    and totally avoidable



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SOURCE: presario v2000 display problems

there is someting loose inside the computer so you may have to open it and check for loose conections or pices that they may be loose or video conectors

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SOURCE: Lap top screen goes blank all of a sudden

I assume that when you dont use your computer you put it in a sleep mode by pressing sleep button if this is the problem you are facing than there is nothing wrong with your video card and solution for this problem is that remove both the power cables and also remove the battery for time being, after some time put back your battery in the laptop and plug the power cable and restart your laptop it will work fine...........
Was this solution helpful.Show your appreciation by rating it.

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SOURCE: HP DV 1000 screen goes dark after boot up.

Your laptop's monitor went bad and needs to be replaced. I had the same problem on an IBM laptop I had. Replacing the monitor costs between $120-220.

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SOURCE: Laptop Screen goes blank

Are you running on battery or AC? Try using the power cord, remove the battery and see if it continues. I have seen a battery that is on its last legs do some weird things to a computer. Also, check your power management setting. Control panel, power, and set the computer to "always on" just to see if it could be a power management setting. If none of this works, i would back up all your files, and try to reload win xp from scratch.

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SOURCE: how do you reset the bios on an hp elitebook

Pull the battery, cmos battery, and power cord for 10-20 minutes

Posted on Sep 27, 2009

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