Do you have an internal FAX Modem installed? Most of them have a little speaker on them so you can hear the Hand shaking routine (Buzzing, clicking, whistling noises) when you dial up and connect, sometimes when the modem is ready to burn out it will feed back voltage to the speaker making a faint grinding noise almost like velcro coming apart, and a failing Modem will make the computer unstable and hard to boot finally ending in total boot failure. Remove the failing device before any thing serious happens.
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Please click the link below for your operating system to download the TSG SysInfo Utility. Click on "Save File" then double-click the file to run it. Copy and paste the report in your initial post. Windows 7 and later (downloads a file named tsginfo.exe) | Windows XP (downloads a file named SysInfo.exe)
Power Supply noise
I am having trouble with computer hanging up and it happens after start up...things can be running for a while but then a noise...sort of a soft grinding, but not really abrasive grinding if you get my drift, comes from the power supply. The fan is running smothly and doesn't change during the noise. i have isolated the noise to the supply. Hav 
e stoped the CPU cooling fan for example. Am I in need of a new power supply. Seems a weird thing to fail. No? could there be any relation to hard drive problems or is the noise a pretty determining factor that something is a miss with the power supply?
e stoped the CPU cooling fan for example. Am I in need of a new power supply. Seems a weird thing to fail. No? could there be any relation to hard drive problems or is the noise a pretty determining factor that something is a miss with the power supply?- Status
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