High End engineering grade portable workstation having screen flickering/strobing intermittently.

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jlmccarty

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Oct 11, 2014
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Purchased from an architectural studio 2nd hand; Made in May 2010, purchased in July 2014. GOBOXX G2600 with NVIDA GeForce GTX M825 (1GB) card and Win7 Ultimate loaded as 32 bit. Problem: Monitor flashing rapidly/intermittently. New symptom is a steady stream of single beeps with an accompanying coincident flashing of the three status lights [HDD, Numlock, and CapsLock] above the keyboard. Have hooked to LED TV with HDMI cable and displays fine until the flickering/strobing begins. The color of the strobing screen varies.

Can anyone confirm I have this figured out correctly? If yes, where does one find a replacement for an NVIDIA GeForce GTX 285M video card?

Thanks

jlmccarty
 
Solution
C12Friedman
You've likely got the right card model, I just looked up some specs real quick, and went by graphics card release date. Here's where it get's tricky... you may be able to find a GTX 285M somewhere but (tricky part coming up) it is soldered onto the motherboard - it may be cheaper to get a replacement motherboard for your laptop (must be the same model replacement board). There are places that can do that repair but it is a rather time consuming (and rarely cheap) process as seen here https://www.youtube.com/watch?v=7xwHr6KoQC8
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C12Friedman

C12Friedman

Glorious
Jan 25, 2012
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It does sound as though the graphics card is having some kind of fit here. Does the strobe effect begin immediately or after a while of use or does it vary? What surface is the laptop used on. I am assuming a minor typo and the graphics is a GTX 480M. I'm considering that the graphics may be overheating
 
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J

jlmccarty

Reputable
Oct 11, 2014
2
0
4,510
The build spec sheet online and the properties in device manager show the card is an NVIDIA GTX 285M... not my area of expertise but I double check before asking questions. The strobe effect will sometimes happen right away on bootup and other times just about anything media related can trigger it. A video, adjusting the volume, a click of the mouse or even "a blink of an eyelash" (hair trigger).
I got a heat sensor app installed called HWinFO64. It shows the GPU temp range as 48-51 deg C and the current (~7 min of operation, at least 3 of which were lo-o-o-ng startup) temp is 50 deg C.
GPU (HW) temp range shows 50.3 - 53.7 deg C and the current (HW) temp is 52.7 deg C

I am wondering if there is a loose connection or possibly some corrosion "plaque" affecting the connection. I worked avionics in the Air Force but am not a PC tech by any stretch of imagination. Just a retired guy on a limited budget trying to get my once in a lifetime powerhouse PC find up to its potential without missing any meals.
 
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C12Friedman

C12Friedman

Glorious
Jan 25, 2012
8,966
1
46,965
You've likely got the right card model, I just looked up some specs real quick, and went by graphics card release date. Here's where it get's tricky... you may be able to find a GTX 285M somewhere but (tricky part coming up) it is soldered onto the motherboard - it may be cheaper to get a replacement motherboard for your laptop (must be the same model replacement board). There are places that can do that repair but it is a rather time consuming (and rarely cheap) process as seen here https://www.youtube.com/watch?v=7xwHr6KoQC8
 
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