I have been having a problem with my Toshiba Satellite laptop - since about mid July '07. I will start up the machine and get the 1-long beep + 3-short beeps (standard AMI BIOS memory error). I've pulled the 512 MB DDR Memory card reseated and/or switched sockets. Sometimes is works - other times not. The 'solution' is a number of hard shut-downs and finally I get a screen.
I read the report filed by dugihowsa on posted on Sep 13, 2006 - saying the problem was a video problem. This made sense, because the problem was first noticed the morning after I used the laptop for a conference in which the display was set to work with an LCD projector. I have tried to reset that to DEFAULT - but am not sure I was able to do so successfully. But, that was the origin of the problem.
I applied the 'solution' offered and - for a while it seemed to be the answer.
The problem has become more than annoying. I spend a lot of time just trying to get the computer to work. I'm writing this from an alternate desktop.
Is there a way to tell if the RAM Chip is bad or if it's the MotherBoard without going through costly diagnostics or part trials?
I'm getting ready to engage the full treatment (including wiping the JRE's) and applying the steps offered.
I hope this works. Or someone can offer me THE CORRECT solution. Other than buying a new laptop. ". >
Thanks ... les
According to the Toshiba maintenance manual troubleshooting flowchart for no or intermittent video and / or error beeps:
Procedure 3 Connector and replacement check
The FL inverter board, LCD module, and system board are connected to the display circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassemble the computer and then perform the following checks:
Check 1 Make sure the DDR RAM module is seated properly. Test display again. If the problem still exits, replace the DDR RAM module. If the problem still exists, perform Check 2.
Check 2 Replace the FL inverter board with a new one and test display again. If the problem still exists, perform Check 3.
Check 3 Replace the LCD module with a new one and test display again. If the problem still exists, perform Check 4.
Check 4 Replace the LCD/FL cable with a new one and test display again. If the problem still exists, perform Check 5.
Check 5 Replace the CPU with another of the same specifications. If the problem still exists, perform Check 6.
Check 6 The system board may be damaged. Replace it with a new one.
Personally, I agree with the first responder's diagnosis -- it's probably a flaky mainboard (probably in the SODIMM socket area).
Hope this helps!
It may be the cause of the video problem due to the single beep and following 3 beep.clean the memory slot and insert th memory again,that is also a remedy for the problem.check a new memory by inserting in the slot also.I think it may solve the problem
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