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Hi I have a compaq fs7600 pc. For the past few weeks I have been experiencing sudden "black screen" and then my hard drive shutting down. Or it will go black screen and my hard drive will beep. It is usually one fairly long beep, then repeats about 3 or 4 seconds later.
I only have 512mb of ram, which came with pc. I plan on buying a 2g of ram next week. Will that solve this problem? My pc is about six years old!! I know! Dinosaur!!
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If the computer is suddenly shutting off, then I doubt that a RAM upgrade or replacement may fix the problem.
A faulty RAM module will cause the computer freezing but staying on, or the computer turning on, but not starting at all, with black screen from start.
If the computer is shutting down after few seconds , before Windows starts loading, and you had experienced sudden black screen before this, then you likely have one of the following faults:
- Faulty cooling system. \015\012
- Faulty motherboard. \015\012
- Faulty PSU
Faulty cooling system:
The computer will shut down because the cooling fan is not starting, or because the thermistor on motherboard is faulty.
In this case the computer will stay a little longer if cold, and will shut down in any case after some times.
Faulty main board.
This can cause any kind of failure, as the main board is integrating most of the functions.
Faulty power adapter (PSU) or bad DC connector on computer.
This is probably the most common fault causing this problem. This can be tested reading DC out on on 4 pins and 20 pins PSU connectors. Voltage must be within half volt from value recommended on specifications.
Try to understand if the problem is related to overheating. In that case you will need to have the heath sink replaced (thermistor or no volts from main board is not common). All the other faults can only be diagnosed after taking apart and testing the computer.
In some case a faulty CPU may also cause shut down.
Check if the fan is running, if the fan is starting, and if the problem is not heath related, then it is either faulty PSU or faulty motherboard. The easiest and fastest way to test a PSU is by swapping the PSU block with a spare part.
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Hi I have a compaq fs7600 pc. For the past few weeks I have been experiencing sudden "black screen" and then my hard drive shutting down. Or it will go black screen and my hard drive will beep. It is usually one fairly long beep, then repeats about 3 or 4 seconds later. I only have 512mb of ram, which came with pc. I plan on buying a 2g of ram next week. Will that solve this problem? My pc is about six years old!! I know! Dinosaur!!
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