Question about IBM ThinkPad R40 2897 Notebook

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IBM R40 - 2897...not resonding

My R40 doesnt respond. Problems a few days. Two short beeps and one longer then nothing a few days ago. I never did anything with the RAM <256Mb+128Mb>before. I now took them out, and put them back. It did start up, but soon froze in windows. I tried a few more times but eventually it went dead, no respons at all when pushing the power button. The following morning I swapped the memories in their slot position. The laptop started kept freezing in windows from time to time. But has been working for about two days without problems. This time I moved the laptop a couple of feets from one table to another when it suddenly shut down. The power indicator and the angled "N", next to the battery sign is lit. Nothing happens when I press power button. I fiddled with the memory position of course. This time it didnt help.

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  • paulse Mar 05, 2008

    Thx for the advice, unfortunately it didnt help. I replaced the memories and check for dust. could it be something else?

    Small hints -

    When pushing power button all led lights lit up. but to stop soon. Z and battery led stays lit. Battery led blinks every two seconds when power cord on, stops blinking when cord off. Z led lit green when power put on. indicating PC ready for use. Holding power button down for about 10 sec makes Z led lit turn off. No change when HD out. CD drive doesnt respond. Thats all thats beeps. I suspect something burned? Diagnostic next?

  • paulse Mar 05, 2008

    Thx - The led lights lit up for two seconds, thats all, then it dies. Power and Z led stays on. Cant get It to boot at all.

  • cougars89 Mar 06, 2008

    I'm having the same problem with my IBM thinkpad R40.  it worked one day the next it started up but went to a page where I was givien some choices of how to start it up.  one was in safe mode.  I cant remember the other 2 and the last one was to restart in the last successful mode.  which was windows. The screen also had a count down clock of 30 sec. then it would automatically start in the mode that was highlighted, or enter the one you choose.

    IF i got the above screen it would try and start xp but then would go to a blue screen with white writing that wouldn't stay up long enough to read it. and sometime it would return to the above described screen or it would shut down and give me the batt light and the Z green light.

    I pulled the battery out overnight and tried to start it today.  I got either 3 reps of 4 beeps each the same length in sound..OR maybe it was 4 reps of 4 beeps each with the same length in sound.  Lost track of reps.

    I took the hard drive into a store and they checked it in the back room and said it started up fine.  I only have one stick or ram and swaped ports a couple of time and nothing changed.

    SO...I'll be watching you post to see if there is something to be said

  • indiaout May 25, 2009

    I did all but it didnt started , previously it had display problem , I got it repaired and after some time it had the same problem


  • Anonymous Mar 30, 2014

    While working on my laptop all kinds of windows suddenly open without me prompting. I can't get rid of them. I have to restart every time this happens, several times a day.



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I allready install window 7, but then i'm not happy with that, i'm try to boot back window xp. its not work. now i want to know how to boot it back to window xp. pls pls any body help me.....

Posted on Jan 27, 2010

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Disconnect any power remove battery .remove mem and check the mem slots for dust and debris replace mem.remove hd check connections(hd pins)check connecter for dust.refit ;make sure properly housed.reboot,enter bios.reset to settings and exit.pc should now restart.any indications of fault maybe mentioned at startup if not window should boot

Posted on Mar 04, 2008

  • tat4u
    tat4u Mar 05, 2008

    make sure everthing is connected up.make sure you have os in cd drive.startup.system should detect cd and say press any key to boot from cd .if so press any key.if not soft boot to restart and enter bios and select cd for first boot in boot and exit.pc should now start with boot from cd option.

    let the disk boot.on screen ask install windows or repair ,choose install.system will check devices.if hd is damaged this is where youll find out,though still possible to reformat and install new os ,if you get this far and need more info let me know.



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2 beeps then error

This could be a few different issues. Please state whether it is 2 short beeps, 1 long and 1 short, or 1 short and 1 long, all of these are different errors. If it is 2 short beeps you should see an error code on screen(usually 3-5 digits).

If you dont see an error code it is most likely and AMI Bios error and if it is 2 short beeps your IBM has memory problems. If you have no video at all on screen you have a parity error in your first 64K of memory. First check your RAM. Reseat them and reboot. If this doesn't do it, the memory chips may be bad. You can try switching the first and second banks memory chips. First banks are the memory banks that your CPU finds its first 64K of base memory in. You'll need to consult your manual to see which bank is first. If all your memory tests good, you probably need to buy another motherboard.

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Blank screen and unresponsive hard drive nothing on external monitor either

did u manage to enter your bios?if not, then i suspect your ram has a problem..normally notebooks are equipped with two modem...try to use one of them only....also, try to change the position(means slot A is for RAM A and slot B is for RAM B- try to place RAM A to slot B first n test your notebook)

hope it will help ; )

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4 beeps 2373 laptop

Standard Original IBM POST Error Codes
Code Description
1 short beep System is OK
2 short beeps POST Error - error code shown on screen No beep Power supply or system board problem Continuous beep Power supply, system board, or keyboard problem Repeating short beeps Power supply or system board problem
1 long, 1 short beep System board problem
1 long, 2 short beeps Display adapter problem (MDA, CGA)
1 long, 3 short beeps Display adapter problem (EGA)
3 long beeps 3270 keyboard card
IBM POST Diagnostic Code Descriptions
Code Description
100 - 199 System Board
200 - 299 Memory
300 - 399 Keyboard
400 - 499 Monochrome Display
500 - 599 Colour/Graphics Display
600 - 699 Floppy-disk drive and/or Adapter
700 - 799 Math Coprocessor
900 - 999 Parallel Printer Port
1000 - 1099 Alternate Printer Adapter
1100 - 1299 Asynchronous Communication Device, Adapter, or Port
1300 - 1399 Game Port
1400 - 1499 Colour/Graphics Printer
1500 - 1599 Synchronous Communication Device, Adapter, or Port
1700 - 1799 Hard Drive and/or Adapter
1800 - 1899 Expansion Unit (XT)
2000 - 2199 Bisynchronous Communication Adapter
2400 - 2599 EGA system-board Video (MCA)
3000 - 3199 LAN Adapter
4800 - 4999 Internal Modem
7000 - 7099 Phoenix BIOS Chips
7300 - 7399 3.5" Disk Drive
8900 - 8999 MIDI Adapter
11200 - 11299 SCSI Adapter
21000 - 21099 SCSI Fixed Disk and Controller
21500 - 21599 SCSI CD-ROM System
AMI BIOS Beep Codes
Code Description
1 Short Beep System OK
2 Short Beeps Parity error in the first 64 KB of memory
3 Short Beeps Memory failure in the first 64 KB
4 Short Beeps Memory failure in the first 64 KB Operational of memory
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5 Short Beeps The CPU on the motherboard generated an error
6 Short Beeps The keyboard controller may be bad. The BIOS cannot switch to protected mode
7 Short Beeps The CPU generated an exception interrupt
8 Short Beeps The system video adapter is either missing, or its memory is faulty
9 Short Beeps The ROM checksum value does not match the value encoded in the BIOS
10 Short Beeps The shutdown register for CMOS RAM failed
11 Short Beeps The external cache is faulty
1 Long, 3 Short Beeps Memory Problems
1 Long, 8 Short Beeps Video Card Problems
Phoenix BIOS Beep Codes
Note - Phoenix BIOS emits three sets of beeps, separated by a brief pause.
Code Description
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1-1-4 ROM BIOS checksum error
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1-3-4 First 64k RAM odd/even logic failure
1-4-1 Address line failure first 64k RAM
1-4-2 Parity failure first 64k RAM
2-_-_ Faulty Memory
3-1-_ Faulty Motherboard
3-2-4 Keyboard controller Test failure
3-3-4 Screen initialisation failure
3-4-1 Screen retrace test failure
3-4-2 Search for video ROM in progress
4-2-1 Timer tick interrupt in progress or failure
4-2-2 Shutdown test in progress or failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected mode
4-3-1 RAM test in progress or failure>ffffh
4-3-2 Faulty Motherboard
4-3-3 Interval timer channel 2 test or failure
4-3-4 Time of Day clock test failure
4-4-1 Serial port test or failure
4-4-2 Parallel port test or failure
4-4-3 Math coprocessor test or failure
Low 1-1-2 System Board select failure
Low 1-1-3 Extended CMOS RAM failure

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