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Display is not come

Fan is working but not cooling to chip or cpu and display is not come

Posted by a2k2 on


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The fan could be faulty so replace it froma real cold start does the display come on.....and when it gets hot turns off?

Posted on Sep 28, 2007


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From them I am willing to bet you still have the same problem. I have experienced the exact same problem on other HP's and found the problem to be thermal run-a-away of the CPU. This is caused by the thermal compound deterioration between the CPU and Heat sink that the fan cools. The lack of hot air and the speed of shutdown indicates that the CPU is operating near thermal limits most of the time. Since the CPU and Video Chip share the same heat sink I believe you will tie the behavior to increased video display (Larger images etc) and CPU activity. The solution is simple in concept but can be difficult in execution. It involves removing layers to gain access to the CPU and Video chips, Removing the heatsink, cleaning off the old compound (which will be dry and hard) from both chips and heat sink, adding thin layer of grease style heatsink compound, and reassembling. Another thing you can try is to buy a fan heat pad for under you laptop that plug into your USB port. Radio shack was selling them for $14. If the problem disappears or greatly improves you have proven the thermal issue and can decide what to do about it. Perhaps the pad will be just fine for you. Let me

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If the fan on top of CPU is dirty, dusty, damaged or not connected properly,it could cause CPU to overheat. The Computer should switch off automatically to prevent damage to CPU (they can burn out very quickly if not cooled properly!!!)

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yes big time need cpu fan to work and new greese big time turn it on hi on bios if u can also buy acooling pad on ebay labtop cooler pad keep it cool these so hot killed power chips in it now bad mobo least get that cooler on ebay ok

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