Question about Gateway 450ROG Notebook
I put Silver Oxide thermal compound on the CPU because it was old and wearing off. Someone on here suggested that it could help. Not that my cooling assembly was not working. IT DID NOT FIX THE PROBLEM!!! My 450rog is about 5 to 6 years old and only now it started to have that problem. However thanks to DaeTrayder I am going to try this new approach. I am pretty sure that it could help as nothing seems to be wrong with the laptop except for the occuring of crazy screen lines and freezing up. It really sucks that they slacked off on putting this thing together. I will get back to you all and let you know if it really worked.
Posted on Nov 23, 2008
I've been seeing more laptop computers with this elusive and hard to diagnose problem, everybody has a different opinion as to what's causing it. Its sad because I've read all over the internet about people spending money on all the wrong hardware and still have the same problem..
If your problem is like the one I've seen it comes on slowly, and intermittently. Sometimes when it freezes the screen has lines flashing up and down the screen, other times it will just go blank. If you touch or jiggle the computer right when it happens the screen clears up, or sometimes it gets worse.
You can tell by the behavior that its a connection problem of some kind.
Sadly, this problem has affected most of the Gateway 450ROGs that were manufactured. This exact problem also plagued several thousands of iBooks manufactured from 2002 and 2003. The common link is the ATI video chip. This was the time they started using the "flip chip". Its a low profile chip that sits so close to the motherboard you think they crazy glued it down. They are not socketed because they wanted to get away from that. The shorter traces made it more efficient. Each trace is a tiny little ball of solder lined up in a matrix. Problem is, the chip begins to seperate from the motherboard.
Solution: Direct heat on the chip for 5 or 10 minutes will help. Enough to cause the solder to soften up and make a better connection upon cooling. I've seen people use heat guns (very carefully of course) or a hot iron. You can get around the problem temporarily by just applying pressure to the chip. I put two little squares of thin cardboard on the chip and put the laptop back together on top of it, it creates enough pressure to make contact. This isn't a permanent solution, a laptop chassis twists a little just from being picked up... its a matter of time before you start having trouble again.
This blog is very old but I know that I appreciate it when people share their knowledge.
Good luck, I hope this helped those that posted before.
Posted on Oct 26, 2008
It could be that the cooling fans were both faulty, or the thermostat on the motherboard could also be at fault.
In either case it would need to be investigated by a engineer as it would be impossible to tell with out seeing the unit.
Posted on Jun 20, 2008
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