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UPGRADE A T5250 CPU TO A T7300 CPU ON A LENOVO R61i

 
BATTERY REMOVED AND LAPTOP UNPLUGED
I am not going to start with the easy part of removing the keyboard and the palm rest as you can easily get that here:
 
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-66127
 
Once the keyboard and palm rest are removed  this is
what the inside looks like. The keyboard garnish
needs to be removed. In order to do this the two corner
bolts under the laptop need to be removed(the manual
I downloaded from Lenovo was inaccurate here) look at the picture below.
 
 
I also needed to remove these 2 bolts attached to the chassis before the garnish can be removed.
 
 
Once I had the garnish removed I needed to get the left speaker loosened by means of the 2 bolts holding it at the top and bottom(see pic below). 
 
 
Please note that some wiring is taped to the heat sink/fan assembly as well as some routed under one of the clamps holding the plate over the chip set/GPU(lower center of pic on left). Care needs to be taken not to damage these wires during the removal of the heat sink/fan. This is also a good time to disconnect the CPU fan from the motherboard. 
 
 
Now I removed the heat sink/fan assembly by first taking the 4 bolts holding the 2 clamps over the chip set/GPU(left pic) and then the 4 bolts in a cross pattern over the CPU.
 
 
 
With the heat sink/fan out of the way you can now see the CPU and the chip set/GPU.
 
 
The thermal grease is clearly visible and needs to be cleaned and reapplied once the new CPU is in. To install the new CPU I turned the black screw on the socket counter clockwise to loosen the old CPU and clockwise once the new CPU was properly lined up with the little arrow pointing AWAY/RIGHT. 
 
With the new CPU in and the old one out. It's time to do some cleaning. It is important to cleanboth the CPU, GPU and the heat sink Alcohol and Q-tips is my favorite way to do this. It's very important to make sure that after the thermal grease was removed that everything was completely dry before new thermal grease was applied, so I used a hair dryer at the lowest possible setting to make sure I did not damage anything (see pics below).
 
 
 
 
 
Here is a pic of the new CPU and chip set with thermal grease applied just before the heat sink/fan assembly was reinstalled. 
 
 
And here is a pic with everything back in.
 
 
Booting up and the new CPU is recognized!!!
 
 
Thank God(fewww)!!! It's time to play!!!
 
All in all I can notice a significant difference in Vista as the system boots faster and it's much more responsive. I am glad I did this as I plan to keep this laptop for a couple of years. I hope you found this entertaining but please remember doing this type of surgery voids your warranty and runs the risk of bricking your equipment. It's also imperative that proper research is performed ahead of time to make sure that the new CPU is compatible with your system. I will not be responsible if anyone gets any ideas after reading this and screws up their equipment.
 
Download (pdf)
 
Steve P
 
 
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írta: voneout, 2009. okt. 6. 22:02 - címkék: Download, Hasznos, Helpdesk, Informatika, Notebook és kategóriák: Segédletek/Helpdesk - még nincsenek kommentek

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