Having problems with your IBM ThinkPad T23 2647 Notebook ?

Laptop IBM ThinkPad. Black screen. Short beeps: 1+3+3+1

\015 Hi, Laptop IBM ThinkPad. Black screen. 1 short beep, then 3 short, then 3 short and 1 short again when boot up, but nothing on the screen. Fan is working. All diods lite when boot up then only one. I can hear is reading CD if I leave in CD drive. Alsonothing on external monitor. \015\012Did'nt noticed before, but memory cover is getting hot.\015\012Any ideas?\015

Answers :

Hello,

You can try the following steps:

1. Unplug the power from the laptop and remove the battery then press the power button of the laptop for 15 seconds

2. Put the battery back in, turn on the laptop without plugging the power to the laptop (If this didn't resolve the issue)

3.\015\012Remove the battery and press the power button of the laptop for 15\015\012seconds, after that, plug the power cord and turn on the laptop (if\015\012this didn't resolve the issue)

4. Remove the power cord and\015\012press the power button of the laptop for 15 seconds, disconnect the\015\012Hard drive and turn on the laptop (If this didn't resolve the issue)\015\012reconnec the hard drive

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

6.\015\012Remove the memory chip, if you have 2 memory chips installed in the 2\015\012memory slots (remove both of them) now test each one of the memory to\015\012each slots turning on the laptop. (If this didn't resolve the issue)\015\012Put the memory chip back in. (Clean the slots if there are large amounts of dust)

7. Reseat the CPU and try to make\015\012sure that it's installed properly. Turn on the laptop and test if it's\015\012gonna work (If this didn't resolve the issue)

8. Reseat the power cords coming from the power supply of the laptop and test the laptop. (If this didn't resolve the issue)

9. Disconnect everything and just leave the CPU installed and turn on the laptop.

10.\015\012If all else fails, there's a big possibility that the problem may be\015\012with the power supply or the motherboard of the laptop.
Late chiming in and it may sound stupid but after checking, I found that your Thinkpad does use a 'coin cell' for CMOS backup and have seen a number (professionally) of odd problems caused by a depleted CMOS backup battery. This may cause a myriad of different problem symptoms.\015\012Check your manual (or download one from Lenovo) to see if they offer replacement guidance for this.\015\012They are available (link below) but not knowing your system, I don't know if it is easily user replaceable.\015\012
\015\012CMOS battery
Repair Help & Product Troubleshooting for IBM ThinkPad T23 2647 Notebook

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