Question about HP Pavilion Slimline S3020N PC Desktop

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When i turn on my computer it will light up but will not come on

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1. check your power supply and power source (220v or 240v?) May be you plug it in (110v)- if power supply is in good condition go to #2

2. check your Memory RAM - Clean the contact of RAM using eraser or a fresh dollar bill then test. if RAM is in good condition go to go to #3

"Once installed and configured, memory seldom causes problems. When problems do occur, they may be as obvious as a failed RAM check at boot or as subtle as a few corrupted bits in a datafile. The usual symptom of memory problems is a kernel panic under Linux or a blue-screen crash under Windows. Unfortunately, that occurs so often with Windows that it's of little use as a diagnostic aid. When troubleshooting memory problems, always do the following:

  • Use standard antistatic precautions. Ground yourself before you touch a memory module.
  • Remove and reinstall all memory modules to ensure they are seated properly. While you're doing that, it's a good idea to clean the contacts on the memory module. Some people gently rub the contacts with a pencil eraser. We've done that ourselves, but memory manufacturers recommend against it because of possible damage to the contacts. Also, there is always the risk of a fragment from the eraser finding its way into the memory slot, where it can block one or more contacts. Better practice is to use a fresh dollar bill, which has just the right amount of abrasiveness to clean the contacts without damaging them.
  • Before assuming memory is the problem, check all internal cables to ensure none is faulty or has come loose.
The next steps you should take depend on whether you have made any changes to memory recently.
When You Have Not Added Memory If you suspect memory problems but have not added or reconfigured memory (or been inside the case), it's unlikely that the memory itself is causing the problem. Memory does simply die sometimes, and may be killed by electrical surges, but this is uncommon because the PC power supply itself does a good job of isolating memory and other system components from electrical damage. The most likely problem is a failing power supply. Try one or both of the following:
  • If you have another system, install the suspect memory in it. If it runs there, the problem is almost certainly not the memory, but the power supply.
  • If you have other memory, install it in the problem system. If it works, you can safely assume that the original memory is defective. More likely is that it will also fail, which strongly indicates power supply problems.
If you have neither another system nor additional memory, and if your system has more than one bank of memory installed, use binary elimination to determine which modules are bad. For example, if you have two modules installed (one per bank), simply remove one module to see if that cures the problem. If you have four identical modules installed (one per bank), designate them A, B, C, and D. Install only A and B and restart the system. If no problems occur, A and B are known good and the problem must lie with C and/or D. Remove B and substitute C. If no problems occur, you know that D is bad. If the system fails with A and C, you know that C is bad, but you don't know whether D is bad. Substitute D for C and restart the system to determine if D is good.
If you haven't enough banks to allow binary elimination, the best solution is to remove the modules, wrap them if possible in a static-safe bag (the pink plastic that most components arrive in), and take them to a local computer store that has a memory tester.
MS-DOS, Windows 3.X, and Windows 9X do not stress memory. If you install Windows NT/2000/XP or Linux, memory errors may appear on a PC that seemed stable. People often therefore assume that they did something while installing the new OS to cause the errors, but that is almost never the case. Such errors almost always indicate a real problem with physical memory. The memory was defective all along, but the more forgiving OS simply ignored the problem. "


3. check the processor - is in good condition go to Check your Motherboard..
Clean the CPU Fan. brush the dust.. then test, if failed.. check the processor for burn..

Posted on Aug 24, 2010

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Hello there
let me try to explain it the best way i can

If you are talking about the light coming on when you are driving in slippery conditions, this is normal. If you are talking about it staying on all the time, the ets is either turned off or you have another problem. Let?s take a moment and explain why the electronic traction control which is called Enhanced Traction System (ETS) warning light will turn on when the engine computer sees a problem. The ETS system monitors wheel speed via the Anti-lock Brake System (ABS). If the ETS system sees a wheel spinning due to snow, ice, rain etc., the ETS computer sends a request to the vehicle?s engine computer to reduce torque. The engine computer responds with a combination of strategies. In the engine computer?s bag of tricks to stop wheel spin it can perform any one or combination of the following; cut fuel off by trimming or turning off fuel injectors, ****** the spark timing or up shift the transmission. In the days of old we just let up on the gas pedal. Now the computer does it for you. If you have an engine running problem it is more of a problem than you realize. The engine computer is the high command center. The engine computer will work and respond to information from the other computers in the vehicle. But in the event there is a system or running problem that the engine computer is responsible for, ?it will? lock out all of the other vehicle computers. If there is an engine running problem that causes the engine computer to store a code and turn on the ?Check Engine? light guess what computer doesn't talk to the others? The engine computer. The ETS computer gets all put out when this occurs and turns its warning light on in protest. So, there you have it. If the check engine light is on the ETS warning light will come on as well and the ETS system will not operate until the engine computer problem is corrected.

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Just post here what lights are present or what happens when you press the numlock key.

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Turn your computer off.

Remove ALL of the RAM. Turn your computer on.
Do all the fan(s) start to spin?

Do you get the _same_ "beeps" as before, or some different pattern of beeps?

If it has more than one stick of RAM (and the RAM is _NOT_ labelled 'DDR2'),
then remove all but one stick of RAM, turn your computer on, and try to reboot.
Same beeps?

Turn your computer off, try a different single (or pair of) sticks of RAM.

Caution: before doing any of the above, your computer could be within the "WARRANTY" period,
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