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PC does not send signal
Hellow.
I have intel D845GVSR with 256 MB ram using windows XP 2006.
when i boot my PC,some times it run properly.ut some times it does not send signal to my monitor.i replaced my monitor but my monitor was allright.
when this problem occure monitor light does not turn green it remains red.
i checked my ram,that was also OK. I replace my power sypply. it solve my problem but after 3 days it creats same problem. some times send signal some times not.
when it does not send signel to monitor, if i changed the slot of RAM it works properly.but only for 1 time.when i turn off and again boot it shows same problem and if i changed RAM's slot (again in previous one) it runs.
One thing more... if i remained untouch with my PC for 2 or 3 weeks( remain turn off) and after this period i run my PC i works properly for few days.
Please solve my problem and tell me how to reinstall my Bios or reset bios.
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