trouble with Acer laptop

Speedy

Speedy

Speedy

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19 Dec 2007
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277
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The Netherlands
My cousin has an Acer Aspire 3100. Specs: AMD Sempron CPU (not sure about the speed), 1 GB RAM, 80 GB Harddisk, Windows Vista Home Premium.

She complained that the activity LED was blinking very fast all the time while she was viewing photo's. Suddenly the laptop lost power. After that the laptop doesn't show anything on the screen while turning on (not even the POST screen). When it does show an image, it loads Vista. But at the welcome screen, when the logon window is starting to load, it freezes. This also happens when booting in Safe Mode.

Sometimes when I try to enter the BIOS screen, I get the famous message: "No keyboard detected. Press F1 to continue, or F2 for setup". Also the speakers are producing a loud cracking noise when the computer is booting.

Tried to run the Memory Diagnostics and CHKDSK from the Vista DVD, but when setup loads, the mouse and keyboard freeze. Even when connecting an external USB keyboard and mouse.

Also after every 10 seconds it makes 1 very loud beep.

So I'm thinking that the motherboard is faulty somehow. The laptop is made in early 2007 and the warranty has expired. If the motherboard is dead, would it be wise to get it repaired or to buy a new laptop?
 
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Does it do all of this with a PSU connected?

I know it may be completely wrong, but I have been using a nasty aftermarket PSU for my 1680 and that kept freezing etc due to the battery being shafted by the naff PSU and it was only when I got a proper ACER PSU ( Any PSU should do as long as it also gives the right Power, not just the volts ) and after that it was fine.

Unfortunately, because I used a cheap PSU I have now got a pretty much ruined battery and I must use the PSU almost all *** time now, but at least it cured my issue

Might be worth considering.
 
Have you tried it when removing a stick of memory at a time (if it has 2 sticks)? Usually if it's not memory on these type of machines, in my experience its the mobo. It won't be worth repairing.
 
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