I had a thinkpad T23 2647-4MU: 30Gb HD; 128Mb standard memory + 512Mb additional; PIII 1.13 GHz; XGA Active Matrix LCD (LG X10).
One day it decided just not to do any more processing. The power would come on, the fan would speed up and then slow down, then speed up and then slow down, then speed up... well you get the picture. I couldn't get to POST. No beeps, no nothing except the fan noise and the power light glowing green.
Diagnosis: dead motherboard. Solution: purchased cheap MB on eBay. This worked until I lost my balance while testing the LCD from the 4MU and cracked the functioning LCD! (The air was very blue at this time).
OK. Diagnosis: Dead LCD. Solution: purchased cheap used LCD on eBay. Great! removed LCD panel from lid and find that I've purchased a Hitachi SXGA LCD. The ribbon cable from the 4MU was attached to an XGA LCD and is too small to fit into the SXGA screen.....
I've found some places that sell the particular ribbon cable for this Hitachi LCD. Here are my questions: If I buy this cable, will I be able to plug it into the existing 4MU motherboard or did the T23's with SXGA use a different plug or different video card or whatever. Will the SXGA even work on my machine? The resolution for the SXGA sounds better than the XGA, but I've been happy with the XGA for years and I don't want to throw good money into the mix and still end up with a bunch of parts and screws and no functioning laptop.
Ive wondered about whether or not you can put a better screen on my t23 as well. i would suggest, if you happen to be a very good electrician, to maybe look up what each individual wire for the ribbon cable or motherboard ribbon cable input of the t23 is for and what each wire for that particular sxga screen is for. then, if youre insanely ambitious and good at soldering, you might be able to rig something up. i say this with my only experience being from doing a similar but not nearly as complex thing with a flash drive and looking up all the conductors of a usb cable. it MIGHT work. it is most likely not worth it.
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Re: ThinkPad repair from hell
I've got one with the same problem. I've been through the model at Lenovo's site, and your best bet is to replace the lcd with what it came with. It's possible an sxga would plug in (there are always extra pins on the motherboard side), but probably wouldn't work. The cable is almost as much as the lcd.
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This ram module, can bought in a computer store, or in a online shop. I recommed 2 gb, for better perfomance. A computer repair shop can help you change the ram module. This ram type cost around 100 dollars each.
system has 128MB or 256MB of memory standard and can be configured for
up to 1GB of addressable memory. Memory options up to 512MB SDRAM SO
DIMMs each can be added in the two available slots for memory expansion.
The standard 128MB of memory is expandable up to 640MB and the 256MB of
memory is expandable up to 768 MB of addressable memory with 64, 128,
256, or 512MB SO DIMMs without removing the 128MB SO DIMM that is
standard in one of the internal slots for memory. For customers that
need the maximum 1GB to which memory can be expanded, it is necessary to
replace the 128MB or 256MB card with a 512MB card plus add another
512MB card in the extra slot. Only 133MHz DIMM memory can be used in
this system. The use of 100MHz DIMM memory is not supported in the T23
This means yo can trouble shoot the 512MB modules individually by installing one of the original 128MB modules and one of the new 512MB modules (for a total system memory of 640MB). If it does not boot, try again with the other 512MB module. This will help you identify a defective module that may be preventing the machine from booting.
IBM ThinkPad T Series notebooks are the perfect balance of performance
and portability. ThinkPad T Series notebooks deliver outstanding
performance, full functionality and long battery life in an easily
portable, thin and light design. ThinkPad T42 mobile workstations also
offer outstanding graphics display for displaying detailed designs,
dramatic demos and high powered presentations anywhere you need to
be. The ThinkPad family also features exclusive IBM ThinkVantage
Technologies and ThinkVantage Design. Together, they deliver business
advantage by helping to save time and money and enabling you to focus on
your strategic goals rather than your technology.
The Thinkpad is installed with 128 MB SDRAM is standard, and is expandable to 512 MB
There are two memory slots, to expand it to 512 Mb you need two 256 Mb RAM modules and throw away the 128 Mb RAM module, but if you don't throw away this module and you insert a 256 Mb RAM module in the 2nd memory slot then your total memory would be 384 Mb.
Audio output compliant standards AC '97 , DirectSound
Audio Input None
Input device type Keyboard , TrackPoint
Modem Fax / modem - CDC
Max transfer rate 56 Kbps
Protocols & Specifications ITU V.90
Modem features V.92 upgradable
Networking Network adapter
Networking / Wireless LAN Supported Yes
Data link protocol Ethernet , IEEE 802.11b , IEEE 802.11g , Fast Ethernet
Remote management protocol CIM , DMI 2.0
Expansion / Connectivity
Expansion Bays None
Expansion Slots Total (Free) 1 ( 1 ) x CardBus - Type I/II/III , 2 Memory - SO DIMM 200-pin
Interfaces 2 x Hi-Speed USB - 4 pin USB Type A , 1 x Parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25) , 1 x Display / video - VGA - 15 pin HD D-Sub (HD-15) , 1 x Modem - Phone line - RJ-11 , 1 x Network - Ethernet 10Base-T/100Base-TX - RJ-45 , 1 x Headphones - Output - Mini-phone stereo 3.5 mm , 1 x Microphone - Input - Mini-phone 3.5 mm
Features Wake on LAN , Power-on password , Hard drive password , Administrator password , Security lock slot (cable lock sold separately)