Question about IBM ThinkPad T40 2373 Notebook

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Laptop Turning On But Nothing Happens - Replaced Memory

My laptop turns on, fan runs but nothing happens. I switched the RAM memory chip on the top with the one on the bottom (and left the bottom memory slot empty). It started up but then froze. Turned off, then back on and went into bios settings, but it froze again. Turned off, then back on, and it started doing the same thing again where laptop turns on, fan turns on, but nothing happens.

Anybody run into the same problem? There must be something in the top memory slot causing the memory to short out. I ordered more memory, but am reluctant to put it in, because I don't want to ruin more memory. My next step I'm considering taking is ordering a new motherboard. This is an old computer so I don't want to sink a lot of money into it, but it does still get used daily.

Thanks.

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  • goose123 Jul 30, 2008

    Maybe I should have been clearer. My laptop initially exhibited this problem with both memory chips installed. I took out the bottom chip only and the problem still existed, so I took out the top chip and replaced it with the chip from the bottom. It worked initially, but then the computer froze up several times and finally the same laptop on, fan running but nothing happens problem started again after I turned the computer off and back on again after it froze the last time. This is what makes me think something is frying the chips...because I tried both chips individually, and when I tried the second, it initially worked.



    Any ideas? Thanks.

  • gecsdad Aug 11, 2008

    I have what sounds like the same problem and noticed that when mine attemps to start up, the fan comes on but I get no video and the system does not try to access the hard drive.



    From what I have read, I am trying to determine if the issue is with the video chip as described in other postings, a memory problem or something else.



    Does anyone know the boot up sequence/ requirements for the T40 Thinkpad?

  • mowaffa Jan 16, 2009

    I have an acer laptop aspire 1350. I removed the memory ram the other day and placed it back again. Now, I don't have any power in my laptop, just light flashes for a fraction of a second and nothing else happens. Any ideas please!!!

    moofy

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This does sound like a memory problem, and it more likely that a memory chip is bad versus the memory slot. The slots will be numbered 1&2, the memory will generally work in either, but the 1 slot is preferred. Try starting with just one chip in, try both slots, then try the other chip. It may just be one chip that is bad. If it is the slot, it shouldn't hurt the chip, but the motherboard will need replaced in order to fix it.

Posted on Jul 30, 2008

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3. Remove the battery and press the power button of the laptop for 15 seconds, after that, plug the power cord and turn on the laptop (if this didn't resolve the issue)

4. Remove the power cord and press the power button of the laptop for 15 seconds, disconnect the Hard drive and turn on the laptop (If this didn't resolve the issue) reconnec the hard drive

5. Remove the Optical Drive and turn on the laptop (If this didn't resolve the issue) reconnect the optical drive

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(Note: you may try to clean your computer if there is a large amount of dust. You may try to remove the CMOS battery)

regards,

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I see, now before you rate me, (cause I like my rateing lol) can you get to the bios? And if so, does this machine have a hard drive diagnostics test?

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