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Usually you diagnose these by process of elimination. Get down to the bare bone mobo without anything but the processor, good RAM (switch out if you can with different ones), and Power Supply. Eliminate everything else, no cd, no floppy, no hdd, no video cards, no sound cards, no cards at all really.
More than likely it's a bad power supply. Take the power supply to your local computer shop and they should test it for you for free... don't let them charge you for it. If it's good then test the cpu.
The charger in powerware 9 series 9120 6000i ,the fan is of a quality that it fails and the heat sink does not get sufficient cooling ,it runs on 12 volt ,i replaced it with a cpu fan from a mainboard on a pc and it works perfectly now. make sure that the fan is running else the charger might go in protection or can fail due to the transistor on heat sink fails.
I'm not sure but it is worth a try. Hold the power button down until the unit starts to work stably. I have tried this and it has worked before. Also make sure your printer is not attached to the battery back up. Only your monitor and CPU should be on the Battery Back up Section. All other accessories should be on the other outlets. I have tried holding the button down on a friends, and it worked for a longer period. It may need a new battery, or to be replaced because of the faulty switch. Hope this helps you. Best, Mark
More than likely it was the UPS that was beeping because it was supplying the power from its inbuilt battery, rather than the CPU. From the model number, I would predict that this particular UPS is an 800VA unit. Presumably it has worked reliably since its original purchase.
You may be experiencing power network disturbances that are resulting in low voltage (otherwise known as 'brownout'). This could be a 'new' or 'temporary' power issue or something that may now be more permanent. Some examples of 'new' issues that can lead to low voltage include: a neighbour operating a large welder, an X-Ray clinic opens next door or the power supply authority incorrectly adjusts transformer output or overloads the grid (new subdivision?). Look for likely external issues and if found address these with the relevant party.
Be aware that an 800VA UPS may only run a PC for 10 -- 15 minutes (not 45 minutes or more) before the battery is flat and the unit shuts down and has to be restarted. It can also take many hours for a battery to fully recharge and if there are repeated demands on the UPS to supply power over this time then the recharge period will be extended.
Also check that you have not overloaded the UPS by connecting any printers or non-computer loads to the battery-backed supply, especially laser printers which can easily overload a small UPS when the fuser operates.
If chronic unresolved low supply voltage is a problem, check the user manual / software. Some UPS manufacturers provide adjustments for the lower voltage threshhold -- i.e. the supply voltage at which the UPS will come online to supply the load. This can be reduced to avoid unnecessary operation of the UPS.
Finally, a typical life for a small UPS battery is around 2 - 3 years. Problems described could be attributed to a failing battery.
These type of UPS's put out a simulated sine wave on battery power. When you test these with a regular voltmeter, it tries to read it as a pure "rounded" sinewave and will nearly always report 80 volts, instead of 120 volts. If you test it with a true RMS voltmeter you'll see that it is 120. Otherwise, these units are getting older and the batteries need to be replaced every 3-4 years. Here's a link to a replacement battery: http://www.batteryinternational.com/cyber-power-cps585avr-ups-battery-ups-batteries-f1.html
525L series as very matter that cause to emliminte the problem try this matters lst.
step1 the power is 300watts -/+ any power supply that above the usage will be overload maybe thats the problem when your cpu & does't power. what are the devices that u plug it to the ups? it important what the devices u plug in maybe using high watts for eg printer, scanner and fax mechines. the solution unplug out those not important device and plug your cpu to test and see it work? and also the socket you plug it in from th cpu, try to plug one of the device to test and see if the power socket is working.
there may be several reasons as to why your puter is doing this. lets do some basic checks to try to get past this safe startup and into a regular startup.
1. ensure your power supply is good. many times a brown out or surge may cause a default as you have. this is done by doing common sense things as ensuring the power cord is completely plugged in at the power supply and into the back of the unit. (a simple loose connection will kick up this window u mentioned). ensure all connections to your cpu unit are secure as well as the wall power supply if you have a ups take it off line....for this
2. if you are able disassemble the unit (cpu) and ensure all cards are properly seated or if you in the recent past have installed a new item (video card, memory, or ect) you can reseat it or remove it. also. take necessary precautions.
3. software- if all the above items dont do it for you. your issue may be software. as mentioned above you can do a soft reset. first set the bios to default. if problem isnt fixed go to windows xp bios for the soft reset. this will attempt to repair drivers ect on windows and usually dosent affect files.
4. hard reset- this will erase all data currently on ur system. hard decision but you can do it. do you have dual hard disk drive. c and a D or other letter identifes second drive. this probably the last resort you want to take especially if you want old files. keep in mine however there are programs out there that will scan your hard drives for old files and they can sometimes be recovered. do the homework..on someone elses computer...bad joke.
anyway this is a simple approach and i hope your experience with ends up as a good one.
First cheack the supply if supply is present the then cheach the cable which is connected between power supply and the ups if this things are working properly then open the ups and then go to the power supply section by tracing the ip put from the power supply switch you will find the fuse over there