Question about IBM ThinkPad R51 Notebook

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IBM R51 Laptop cannot be turned on anymore

Hi,

I have aproblem with an IBM R51 Thinkpad.
When pressing the powerbutton, the battery-light, the powerlight goes on. The numlock and the capslocks lights are turned of for e few seconds and are the turning of.
The machine stays on (you cab hear the fan blowing) but no screen will appear.
Also tried to start up with the HD and memory removed, same situation...

I think it's a problem with the mainboard... what do you think?

thnx Mike

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  • Anonymous Dec 24, 2008

    I have same problem IBM R51 what causes this problem any idea?
    (I removed battery and power jack and pressed power button for a while for discharge capasitors but nothing changed)

  • BizzBipe Jan 05, 2009

    Somebody suggested the CMOS battery might need changed.
    In my case, the lights sometimes blink briefly, but the disk,
    fan, etc. do not run.

    Mysteriously, if you leave it connected to AC power for awhile
    (with or without a battery) it will power-up normally.


  • jeremywork Apr 25, 2009

    I have an IBM Thinkpad R51 (1830-BUU) laptop, with a significantly older hard disk (1999). For about 3 weeks, the laptop had been working fine, but then it fell off of a table (2 ft high, Carpet) and when I powered it back on, the normal IBM screen came up, but after that the machine told me that no operating system could be found. I tried unplugging the hard disk, and plugging it back in. When I restarted it, the same thing happened, but the HD/Activity light was stuck on the entier time, and the hard disk would turn on, then off, on, off, on, off about every second. I tried unplugging the AC and battery, and the CMOS battery, the RAM, nothing resolved the issue. I obtained another IBM R51 (1830-BUU) with a dead screen backlight, keyboard, and hard disk, and I put my existing screen backlight, hard disk, and keyboard in the new machine, along with my old RAM (so that I would have 1GB, not 512MB). I started it up, and windows loaded fine, and it worked until I restarted, and then the exact same thing that happened to my old one occured on this one too, there was no operating system detected, the HD/Activity light was off, and the disk turned on and off. When I tried reseting the power, the same thing except that the HD/Activity light was stuck on, just like last time. I have not tried reseting the CMOS battery on this one yet, but I doubt it will help.

    Please, if anyone knows and ideas about this problem, please either reply to this message, or email me at jeremywork@gmail.com
    Thank You!

    PS: It should be noted that I do not have a system battery for mobile use.

  • jeremywork May 11, 2010

    Update: I have some clues that lead to BIOS virus. Does this sound right?

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Does your hard drive have a "caddy" or "drive sled" installed? Mine did the same until I bought one.

Posted on Jul 21, 2009

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