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installation problem
i have problems in installing windows xp. the installation hungs up. i
also have problem in P.O.S.T u have to restart the unit several times before it boots to operating system. im a computer tech and i already did the basic pc troubleshooting such as swapping, reinstalling hardware 1 by 1 etc.., but has no effect, the problem remains the same. Specs.: AMD Sempron 3000+ 512 mb ram 256 video card -- Posted at author's request, using moderated http://www.PCForumz.com interface Thread archive: http://www.PCForumz.com/installation...pict87561.html |
#2
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installation problem
janiel wrote:
i have problems in installing windows xp. the installation hungs up. i also have problem in P.O.S.T u have to restart the unit several times before it boots to operating system. im a computer tech and i already did the basic pc troubleshooting such as swapping, reinstalling hardware 1 by 1 etc.., but has no effect, the problem remains the same. Specs.: AMD Sempron 3000+ 512 mb ram 256 video card Have you run memtest86+ (memtest.org) from a floppy or CDROM ? If you passed that, have you tried the hard drive diagnostic from the hard drive manufacturer. That would do a couple things for you, since it also boots a little bit, it might demonstrate the general stability of the computer. If the computer is "accidentally" overclocked, it might demonstrate the same symptoms you're currently seeing. Another test I use, is I boot my Knoppix LiveCD disc and watch the boot sequence. For really unstable hardware, it falls on its face pretty rapidly. If it is mostly stable, the Linux desktop will appear. Then, I go to mersenne.org and get a copy of Prime95. (There are versions of Prime95 for Linux and Windows, so you can test in either OS.) Prime95 has a "torture test" option, and the program stops execution if even one error is found. (Orthos is another version of Prime95, which some people like.) Reasons for errors include bad or marginal RAM, or a bad or overclocked CPU. Both the CPU and RAM are voltage sensitive. If either is being pushed past its normal operating spec, then more voltage may be needed to make it stable. For example, my mobile AthlonXP will run at stock 1.57V initially, but to run it under the same conditions as a 3200+, it needs the standard 1.65V setting to work. So a little extra "Vcore" voltage can help if the thing is slightly unstable. For my particular processor, if I use too much voltage, I'm greeted with a black screen and no POST (like 1.75V prevents mine from POSTing - some processor take more than that without a problem). You should also verify the cooling is OK. If in the BIOS hardware monitor page, the CPU is over 65C, I might take it apart and put some fresh paste on the CPU. Then reinstall the heatsink. Be careful not to get paste all over the place (some pastes are capacitive, so should be kept off sensitive high frequency signals). The RAM may also have an option in the BIOS, to bump up the voltage (Vdimm). If memtest throws just a few random errors in a couple complete test passes, it is possible a little extra voltage will fix it. Or, you could try relaxing CAS (change CAS from 2.5 to 3.0 say), or relax tRCD ( change from 3 to 4). But really, that shouldn't be necessary, if the RAM is good quality. I do stuff like that more out of curiosity than anything else (like, how bad is this stuff...). So do a few tests, and record the symptoms you see with each one. Then post back for suggestions. Maybe someone here can make sense of it all. Paul |
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