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PC do nothing after upgrade

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by cazador de mariposas

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I have an Acer 4100 with Celeron, 4Gb HD and 32Mb PC100 DIMM.
I install a PC100 128Mb DIMM and a sec. HD, like the owner's manual saids. When I strat the, the only thing that happens is the CD recognition and then a sound in my HD, then nothing, nill any signal in the monitor.
I put all the PC in his original configuration and the same things occurs.
The components (HD, CD, Floppy and memory) are OK, this because I install in other PC and run, installed with the original cables or with others.
The CMOS battery reports 2.8 Volts, and the voltage of the Power Supp. are in the correct ranges.

The film of dust in the mother is more or less fine.
Please help me, What happens with this!!??

5 replies

by rcom

First this mother board doesn't support he memory configuration you tried. Here is a link that shows what DIMM configs can be used with your mother board. With memory being so cheap you should of replaced the 32MB module with another 128MB or more.

http://www.acersupport.com/desktop/articles/p4100_mem.html

Usually this is a problem with the CPU, memory or video being loose. Since the video is onboard that's probably not it. The CPU in this PC is a slot one so try reseating it. The earlyDIMM slots would sometimes be a bit loose and not very deep.
Make sure the memory is installed correctly and fully seated and snapped in. Single DIMMs can go in either of the 3 slots so try the 128MB memory by itself in all three slots. The worse case is if you damaged the mother board, probably not. Another problem may be wrong CMOS settings if this is the issue try resetting that. You will lose all the settings like time etc. The BIOS will detect all the hardware.

by opatzg9

I like Rcom's answer, also only try one of the two at a time, that narrows the problems down. Does your bios support/recognize the size of your new hard drive? Mixed ram does not always play well together,use only the 128 and see if the memory count works fine on that. If it does get another. Then start on the hard disk issues. Definitely recheck and reseat your cables for the hard drive, both motherboard and disk should have the 0 position marked. Watch your jumpers for master / slave / only drive. Only one master/one slave per ribbon cable. Good Luck!

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