Question about IBM ThinkPad T42p Notebook

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T42p will not start up

THINKPAD LIGHTS UP BATTERY BUT NOTHING ELSE WORKS IS THERE A RESET BUTTON I HAVE GONE THRU 2 HEAT SINK FANS
PLEASE HELP

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It is possible the mother board has flexed and that the chip mount has separated from its surface mount. It is a knoen problem and UTube has some solutions for the adventurous.

Posted on Aug 22, 2008

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Try reseating the memory and replacing with spare if u have any uses ddr

Posted on Apr 08, 2008

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My HP G60-230us was shutt down during my son was playing game,no power at all(LED light under charger connector is on,Power light LED/Battery light/Hard disk light are off,Please help?


OverheatingWhen the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.

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My acer aspire 5745G is hanged out regularly when i am starting my laptop, sometimes the screen is not flashed the lights works cpu fan is working but the no display is on. then after replacing battery...


this problem is related with your heat sink of your processor so u must de assemble your laptop and clean the heat sink may be there will more dust. after clean heat sink you must put thermal paste in the top of your processor after you can re assemble. it will be work other wise contact me here..

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I have IBM THink pad, T42p. It shows Fan error. Wh...


Cleaning the fan may help. I use a vacuum cleaner and hold the pipe against the air inlet of the computer and then against the exhaust outlet. That clears the fluff quite easily.
Hope this helps.

May 21, 2010 | Lenovo ThinkPad T42 Notebook

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My IBM T40 boots to a black screen with the "z"(light at top to right of power.


Try these steps:

1. Remove battery and unplug AC adapter
2. Press power on button for 30 seconds or so (one min is also too)
3. Attach battery and plug into wall
4. Power "ON" as normal

If you are still getting the "Z" and a black screen then I would have the video card or hard drive looked at and replaced. Start with the video card and then look at the hard drive


thinkpad-t42-wont-boot.html">http://www.techsupportforum.com/hardware-support/laptop-support/234433-ibm-thinkpad-t42-wont-boot.html

Feb 17, 2010 | IBM ThinkPad T40 2373 Notebook

1 Answer

I Press The power Butten the lights Blink once then it just has this light That looks like a circle with a Z in it stay on and battery light and plugged in light stay on nothing else happens doesn't go any...


I suggest you try a manual reset. Please remove battery and AC Adapter and hold down power button for 30 sec. and then put battery back in and AC adapter and try starting.

Feb 06, 2010 | IBM Lenovo ThinkPad R61i Notebook

1 Answer

Similar problem here...Lenovo T61p won't power up.


Sounds like it needs the magic reset procedure. Press the power button 11 times and on the 11th time hold it for 30 seconds. Put the battery and power adapter in and retry it.

Nov 24, 2009 | Lenovo ThinkPad T61 Notebook

1 Answer

I have a ibm thinkpad when i hit the power button the lights come and the fan kick on but then it shuts down


probably itz either minor case of software corruption/improper ground/cpu fan..
or major case of faulty or defective main board/ram/addon/daughter cards..

..plz do check the following as in order:..
the Hardware part:..
1)a) in power-on mode, open/unplug the data/vga cable of the monitor from cabinet..see if raster or 'osd' is appearing on the monitor screen..if so monitor is ok..else replace the monitor and see..[not applicable in case of laptop]..
b) in case of laptop try to get output from external display unit/monitor using vga port..if there's proper display in there..the problem is probably with either the 'lcd' or 'ccfl' or 'inverter circuit'..

2) if u hv a graphics card, replace with a standby or onboard and see..[not applicable in case of laptop]..

3) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..

4) see if the ram(s) is loose/faulty..open clean/remove carbon & or oxide formed on the teeth with an eraser n resit it..or replace with a standby n see..

5) a) see if ur hdd is noisy or emitting any 'ticking' noise (like 'tuk tuk' or 'kirr kirr')..
b) or if the system is not supporting either the newly installed device or itz software/driver /firmware
if so, u need either a fresh os installation or ur hdd is likely to b replaced..

6) remove/clean dust neatly..dust is non-uniform in nature n may cause jam/short circuitry/excess resistance n many more..resulting an increase in heat..

7) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market)between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..

8) on main/mother board..see with a debug card for mb error..may b short..look for defective capacitors(espabove1000mfd)/mosfets..go through the mb's south bridge n the circuit lie around atx connector..the crystal clock generator (if cpu isn't heating up)..

9) [in case of desktop] the smps itself may b defective/faulty..check the outputs of smps viz. 0v (black~ground); +12v(yellow); +5v (red, green~ps-on, violet~pg& grey~sb); -12v (blue);-5v(white); +3.3v(orange)..the 'oscillator and error amplifier ic',or pwm switching regulator circuit..look for defective protector-transformer/resistance (esp 4.7k)/mosfet..
check the battery n adapter [main power], in case of laptops..

for any further assistance u may plz leave comment and or testimonials at any point of time, so that i/we can help or u think it to b helpful..

if u r not a professional, always better to seek advise from ur system admin/vendor....

Nov 23, 2009 | IBM ThinkPad T42p Notebook

2 Answers

Dead thinkpad by ibm


Hello,
The CMOS battery supplies energy to the Real Time Clock when the computer is not connected to the electrical socket, and does not have the battery inserted. It should not prevent the computer from starting up. You will however be asked to reset the time and date of the computer.
Hope it helps.

Oct 03, 2009 | IBM ThinkPad R50e Notebook

2 Answers

Dell M1530 wont turn on


A flashing ON ON Lock LED sequence is indicative of a failed Motherboard

Jul 03, 2009 | Dell XPS M1530 Notebook

1 Answer

T42 is not starting


Try doing a manual system reset. To do this:
1. Remove battery and unplug AC adapter.
2. Press and HOLD power ON button for 30secs. at least
3. Put back the battery and plug back the AC adapter
4. Power ON the laptop as normal.

Jan 17, 2009 | IBM ThinkPad T42p Notebook

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