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You should check everything before you buy a used PC. 
Farhan Noor Qureshi
if (this == this) thow this;
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mr. vivek, i think that due to one of them , this problem occurs. so, plz check the following , i thnk yr problem may be sort out...........
1.Drive failure------ yr drive may be faliure.
2.Boot sector failure........ya phir may be yr boot
sector arises some problem.
3.DOS/Windows file corruption...check all windows files , there may be some corrupted file.
4.Run FDISK/MBR ....for rebuilding MBR (Master Boot Record) or DM.....and if through all above yr problem not sort outed, then give the DOS COMMAND......FDISK/MBR.
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Please may someone help me. I am looking for online computer repair classes cheap and affordable cost.
Please can you direct me to the website or an search engine that might help me that way?
I am majoring in Computer Science but I want to improve my knowledge of troubleshooting computers!
Thanks for your responses!
Josue K. Domfang
kdjulianofr@hotmail.com
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DIY No book can prepare you like it.
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juliano83 wrote: I am looking for online computer repair classes cheap and affordable cost.
Google for A++ certification, that’s what the A++ is all about. Just general computer knowledge / repair.
The best way to become familiar with the various problems computers / technology face, is to jump in and get your hands dirty (well only if you have an antistatic wrist wrap). Family and friends are always a good reliable source of broken computers. One word of warning once family and friends learn that you know how to fix computers; they will be coming to you for every thing. 
Good luck
I'd love to help, but unfortunatley I have prior commitments monitoring the length of my grass. :Andrew Bleakley:
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Hi, I have a Compact System PI. It does not go in BISO when i Press F1 for entering in BISO. Can anyone tell me how i enter in BISO and what is soulation of this problem. Thanks
|Muhamad Waqas Butt|
waqasb4all@yahoo.com
www.sktech.freewebspace.com
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Is F1 the key for your machine? Different vendors don't all use the same one. I've also seen F10 and Del used to access the bios.
Assuming you're using the right key, one thing that occurs to me is if you're on an older system and using a USB keyboard the bios might not recognise it even if the OS drivers do. You might want to try a PS2 keyboard if you're using a USB one.
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Did you mean Compaq? If so, using Google found out that Compaq machines uses F10 to access the BIOS
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Yes I mean Compaq. Ya I press F10 but still i could not enter BISO. Can you tell me Where and How can Find Resource and BISO Rewriting on Internet. Thanx
|Muhamad Waqas Butt|
waqasb4all@yahoo.com
www.sktech.freewebspace.com
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No website as such. Just googling for 'compaq bios'. Several of the results suggesting that F10 is common across most of the Compaq models.
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| Muhammad Waqas Butt | wrote: BISO
this is called BIOS, not BISO.
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|Muhamad Waqas Butt|
waqasb4all@yahoo.com
www.sktech.freewebspace.com
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Binary Input/Output System
you have another definition for BISO ?
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AFAIUnderstand, a dual core CPU is somewhat a parallel processor.
Is a single core CPU ( latest technology ) at a higher speed "better" than a dual core at lower speed ?
For general softwares, made for single core CPU, I think it will be better ?
but for future softwares that will take advantage of better threading and parallelism, having a dualo core ( even at lower speed ) will be beter ?
Thanks.
M.
Maximilien Lincourt
Your Head A Splode - Strong Bad
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For single threaded apps a faster single core proc will generally be faster (the exception being if the SC is 10% faster than the DC%, but your background tasks are taking >10% of your CPU time. Visual studio can use multiple cores to accelerate compilation and new games are starting to to go multithreaded as well. Unless you're buying on a rapid upgrade cycle I'd prefer a dualcore solution for enhanced futureproofing. AMDs lowest cost DC chip is ~$300 (dunno the intel pricing but IIRC it's similar), so if you're on a tight budget spending the money on more/faster ram, etc might be a better option.
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Maximilien wrote: AFAIUnderstand, a dual core CPU is somewhat a parallel processor.
From what I remember from my Parallel Computing lectures from uni. Dual core processors isn't strictly parallel processing.
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Anyone using one of those ? I read reviews, but I want real life usage here.
Issues with heat ? noise ?
They seem to be one of the sole Small Form Factor PC vendors out there.
Maximilien Lincourt
Your Head A Splode - Strong Bad
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Not a lot of noise but a bit of high pitched wine.
When it got hit by a nearby groundstrike I bought a good Nexus Breeze4 and fittted it out. Much quieter 
Elaine ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
The tigress is here 
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yeah, but that"s not much of a small form factor.
Maximilien Lincourt
Your Head A Splode - Strong Bad
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What should the the configuration be for a media streaming server that can service 20 simultaneous connections? I'd just like to know the follwing figures:
CPU (Model and amount of cache)
RAM
HDD (How many HDD's and RAID configuration)
-- modified at 6:58 Thursday 6th April, 2006
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This severely depends on what kind of processing you are planning to do while streaming the media, and the type of media being streamed, and the type of stream you want to offer.
Audio-Streaming is less demanding than Video-streaming.
"Forking"-streaming is less demanding than "on-demand"-streaming. (i.e. its easier to simply forward one input to several recipients than to have a seperate input stream for each client).
"passthrough"-streaming is less demanding than "postprocessing"-streaming. (i.e. if you want to alter the stream or add some DRM, its going to cost you some performance.)
Cheers,
Sebastian
--
Contra vim mortem non est medicamen in hortem.
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(I'm not an hardware person, so ... )
Is there really a difference ?
I've been using intel CPU pretty much all my PC life, so I can't compare, but in what circumstances I should buy an AMD CPU ?
Are there software issues that can happen by switching from one to another ? ( i know this is a naive question )
Thanks
Maximilien Lincourt
Your Head A Splode - Strong Bad
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I've always used Intel apart from an AMD 286 in my parents' first PC (although at the time I think this was a licensed Intel design with AMD acting as a second source) and a Duron in my first PC at this company, which was terrible mainly due to a near-complete absence of L1 and L2 cache, and the support chipset from VIA.
I've never had good experiences with non-Intel chipsets. Obviously Intel chipsets are not an option with AMD Athlon or Opteron processors, since Intel's and AMD's processor buses are completely different. Things may be different now that the memory controller is integrated in the AMD processors, but I still don't have that much faith in VIA, nVidia or ATI AGP/PCI bridge components nor, for example, IDE controllers or the other subsystems of the chipset which make up a complete PC system.
Right now Intel's desktop processors suck. Their processing power per watt of electrical power, and per watt of radiated heat, is appalling, and because they've hit a wall in processor frequency, their poor computing power per clock cycle has allowed AMD to pass them. But I still think an Intel-based system will be more reliable than AMD. On the other hand my experience could be because I've generally known enthusiasts with AMD systems, who tend to overclock their systems and/or load them with every bit of junkware under the sun, which have tended to destabilise their computers.
Both manufacturers try very hard to be compatible with their previous generations and with each other, but processor manufacturers make mistakes just as software engineers do. They both publish lists of errata (errors) in their processors and either put a fix into a future revision (stepping) of the processor or publish a workaround.
One issue I'm aware of right now is that, if AMD's Cool and Quiet technology is turned on, the Windows high-performance counters don't count at a fixed rate - the rate is directly proportional to the current processor frequency. The processor drops its frequency to save power and reduce heat if idle or less stressed. Intel have had this problem on some steppings of the Pentium 4 as well. The current workaround is to turn Cool and Quiet off. The problem affects some games and other applications.
Stability. What an interesting concept. -- Chris Maunder
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I'm in a reasonable position to answer this, I guess, I've experience of AMD's from K6 through Athlon and AMD64, and Intels from 486 through every Pentium (except Pentium M) up to Pentium 4.
At present, AMD's desktop processors (I'm meaning AMD64 - X2 as well, as the core's pretty much the same) have (IMO) much better development (compilation etc) performance than Pentium 4s. I've built the same project from scratch on a 3GHz P4 and an AMD64 3400+ (clock speed is 2.2GHz) and the AMD took about 2/3 of the time of the P4 - other factors such as disk and RAM were approximately equal (1GB RAM, they both had 7200RPM disks, although the one with the AMD64 was a laptop drive, so might have been a bit slower). Other CPU bound tasks display similar speed differences.
However, I think Intel are probably back on track with the Core Solo/Duo range - the Pentium M's were always pretty good for performance.
Anyway - processor/chipset related software issues? Nah, didn't have any of those.
HTH
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