Help Upgrading presario c500 series notebo ... ... Hi fellows, I've succesfuly upgraded C550EM from Celeron M to INTEL CORE DUO PROCESSOR T2250 SL9JJ 1.73GHZ C ...

Constal · 02-04-2010, 01:55 AM

Hi fellows, I've succesfuly upgraded C550EM from Celeron M to INTEL CORE DUO PROCESSOR T2250 SL9JJ 1.73GHZ CPU

BIOS was 0.24 version.
OS - Linux Mint
required no additional work on it at all, but be careful as there so many tiny screws...

in order to take the CPU off, one should unscrew whole black panel, than unscrew 4 white screws from the copper heatsink, for that you need to tear off black sticky film on top of it (no need to disassemble fan.)
CPU itself is on the top right corner of the laptop.

The copper heat sink has a stamp representing the place where CPU stone goes on. Celeron M and T2250 have different orientation of the stone (I took a blade from a paper knife and smoothered the edges of this imprintment, as was afraid that ribbons could damage the crystall)
Then - put some heat paste and placed it back (don't forget all those tiny screws).

Mine's working absolutelly fine, 20-30% faster, without hanging as the Celeron did, fan - almost stopped running when nothing's going on, so happy about the upgrade.

qhn · 02-04-2010, 02:46 AM

Nice 1st post input. Thanks and welcome to NBF.

cheers ...

02-04-2010, 02:46 AM	#77
qhn ... am invisible Join Date: Mar 2006 Posts: 26,683 Reviews: 9 Benchmarks: 18 Credits: 74,851	Nice 1st post input. Thanks and welcome to NBF. cheers ... __________________ m6805@3700; SZ71WN/C ; Macbook 2ghz/4gig/250gb/superdrive; 7811FX are u Folding@Home? - Firefox Beta - MediaPortal "the" Media Centre/HTPC!

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02-04-2010, 01:55 AM	#76
Constal Registered User Join Date: Feb 2010 Posts: 1 Credits: 220	Hi fellows, I've succesfuly upgraded C550EM from Celeron M to INTEL CORE DUO PROCESSOR T2250 SL9JJ 1.73GHZ CPU BIOS was 0.24 version. OS - Linux Mint required no additional work on it at all, but be careful as there so many tiny screws... in order to take the CPU off, one should unscrew whole black panel, than unscrew 4 white screws from the copper heatsink, for that you need to tear off black sticky film on top of it (no need to disassemble fan.) CPU itself is on the top right corner of the laptop. The copper heat sink has a stamp representing the place where CPU stone goes on. Celeron M and T2250 have different orientation of the stone (I took a blade from a paper knife and smoothered the edges of this imprintment, as was afraid that ribbons could damage the crystall) Then - put some heat paste and placed it back (don't forget all those tiny screws). Mine's working absolutelly fine, 20-30% faster, without hanging as the Celeron did, fan - almost stopped running when nothing's going on, so happy about the upgrade.