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Continous long beeps after a while running.

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#1 YeOldeCodger


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Posted 03 February 2015 - 03:31 AM

i have an old Clevo HiGrade M760S Dual core laptop. Has Vista with only 1gb ram. 


Issues is Fires up ok, nice clear screen, desktop comes up, start work then after about 5 mins it starts emitting continous long beeps and after about a minute shuts down. Caps and Number lock lights flashed.


My first impression is heat?  So open up and re- thermal paste the heat sink and clean the fins as there is no fan in this model. Did look at Everest temp sensor and looked ok at around 46/50c but still did clean etc. 

Fired up same issue. 


Two ram slots with 1gb ram single stick, so took out ram and replaced ram. tried both in different slots.

Fired up same issue.


Tried reinserting hard drive, Tried checking sticky keys.Tried without battery, Tried without mains.Looked for any loose wires or burnouts to the best of my amateur ability without taking apart.

Fired up same issue.


Any ideas where I should go next please?  GFX seems ok. memtest ok.



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#2 Citizen_WD


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Posted 03 February 2015 - 10:57 AM

First of all - the beeping and flashing of Caps Lock and Num Lock LEDs can be error codes. Is it some sort of beep pattern and flashing or just same intervals? Have you tried looking them up? Also it may sound too simple but a virus may be causing all sorts of problems, including shutdown so - if you have an antivirus software, run a check. Also - try with another power supply (another adapter cable). 
There are not many other options so if none of this works it is probably best to take it to a specialist. Hope this was helpful, Citizen_WD

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