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Computer Hardware

Posted on 2016-09-20
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Last Modified: 2016-10-15
I Switched on the computer and the computer keep on restarting and there is no display on the screen..

Is it the problem with the RAM.?
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Question by:Nasame Nonofa
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by:John Hurst
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It could be a bad / corrupted hard drive as well.

Get memtest86.exe (http://www.memtest86.com/) and set up a bootable CD. Boot with the CD and run memtest86 for a number of cycles to determine if memory is bad or not.

If you have 2 modules, take one out and test, then swap and test
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dbrunton earned 70 total points (awarded by participants)
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>>  Is it the problem with the RAM?

This could be anything.  Memory could be one cause but not the first check I'd do.  Large number of possible causes here.  Power supply, CPU, overheating, bad motherboard etc etc.

Check for blocked vents, dust in computer, dust in heatsink, dust in PSU for starters.  Disconnect hard disk and CDROM drive and reboot and see if that gives anything on the screen.  Report back results.
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by:nappy_d
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If the issue was ram, in many cases there would be beep Codes do you hear anything?

What kind of computer and what is the OS?
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by:David Johnson, CD, MVP
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Too many variables.. It depends upon how long into the boot it restarts.  With a CRT display, when one powers on the display should flash, the keyboard lights will flash, then the bios initial screen will show. Some motherboards have an 2 LED digits that show the boot progress. You could have a bad power supply (power good fluctuation) , bad cpu cooler, blown capacitor on the MB,
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by:CompProbSolv
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It would be good to eliminate the hard drive from the equation.  Disable it in the BIOS or disconnect it and see if it reboots.  Booting the Memtest CD would be a better test if you are successful at getting it to boot to a CD.
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by:nobus
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start by giving us some info plse on PC model, or motherboard model, ram and disk
when restarting does it show an error?
look also for minidumps in windows\minidumps and post it here

often the disk drive is the cause - you should run a diagnostic on it
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by:CompProbSolv
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The "no display on the screen" is very important.  One would expect some screen display if it were a Windows issue.  You are very likely looking at a hardware problem.
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by:John Tsioumpris
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Well you start with the basics...
Can you reach BIOS screen..
NO: ....its time for bare minimum MB+CPU+RAM+PSU ..nothing else
YES:you ran memtest ...here is the installer for USB

report back
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