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O.T. It's not that I'm cheap. I'm just truly conservative

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RoN of ohio

03-02-2003 09:08:18

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Maybe I am just cheap. I'm wandering if it would cost me any more to leave my computer on 24/7 or do as I now do and turn it off every night. It's on a seperate line so that is not a problem. I have a 2 year old Compaq Presario 5000 and a 15" moniter. Can't find in any of the paper work just how many watts this thing burns. Any one got any answers? Thanks..Ron

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Leave it on . . .

03-03-2003 07:23:13

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

If for no other reason than convenience. These newer "green" machines usually power down to almost no current draw when inactive for some XX? (you generally set the time interval) time.

The power supply (200-300 watts) are listed as max output that they will provide under full load at 12v (or 5v, or 3v�whatever the particular part needs). Input at 120v is quite a bit less (do the math). Most of the time they're kinda idling along.

Most newer monitors will automatically power down to about 10 watts in a "monitoring" mode waiting for user activity (mouse, keyboard). You can also set your hard drive to power down after some period of time of innactivity. It used to be that drives were advertised to have so many hours between failures (MTBF). When that figure got up to 300,000 (35 years) or so makers quit that jazz. That doesn't mean they never fail (you'd be wise to keep current backups) but that's generally not much of an issue today.

If yer gonna leave it plugged in it would be a good idea to use a UPS. Mine's a 1200 watt line interactive (no direct connection to the mains line). Everything that comes out the back is induced, smoothed, regulated, spike and surge free. Inside power generation is from 48v DC (4 12v batteries).

Power on � power off? Not sure it really matters much anymore. Mine's on 24/7�for convenience.

Les, TN

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Doug N Texas

03-02-2003 19:15:23

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Our computer people advise us to turn ours off each night. Less chance of something going wrong when no one is there. The say it does not hurt the computer to restart each day.

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Doug N Texas

03-02-2003 19:12:48

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Our computer people advise us to turn ours off each night. Less chance of something going wrong when no one is there. The say it does not hurt the computer to restart each day.

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Bob in NY

03-02-2003 16:25:13

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Looking in my Compaq books, the Presario 5000 (year 2000) has a 110Watt power supply. If it takes a hit, spare part #319235-001. The power consumption of the monitor should be on a label on it. On or off? Your choice, but disconect the phone line when not using it. Bob in NY

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RoN of ohio

03-02-2003 17:01:56

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Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to Bob in NY, 03-02-2003 16:25:13

The phone line plugs into a surge protector. Do you feel that the phone line is a bigger worry than the power line? It would not be a real problem unplugging the phone line, but I'm concerned that plugging and unplugging will eventually wear out the receptical which is located in the fax machine (convenient) or the surge strip (inconvenient) Ron

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J52J

03-02-2003 18:37:36

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Re: Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 17:01:56

I use the extra cord and coupler, Mounted to the side of my desk. When it's time to unhook it in an electrial storm , I can have it shut down and unpluged in a mater of Seconds, Once the computer shuts off.

J52J/Jess

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Dave Smith, Yes

03-02-2003 18:22:51

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Re: Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 17:01:56

They do wear out. But short jumper cords and couplers are cheap. Plug one cord in the fax and leave it there and a short cord from you're computer and use a coupler between them. Just unplug from the coupler. Dave <*)))><

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Bishop

03-02-2003 15:52:19

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Hard drives were orginally set up to run 10 years running 24/7. Lack of memory will lock up systems. Keep your History in Internet Options at one or two days max.
Power surges are the biggest worry. Lighting will kill you system if left on during an electrical storm. Having an AC power backup is necessary but not it's not absolute protection. I have seen several hundred backup power systems, and all types of surge protectors actually explode in a fireball, or internally fuse into one pile.
The other problem is the telephone line. While it's plugged into you modem, you have a completed circuit traveling miles ouside your place, like a long antenna waiting for a lightning strike.
Thirty years ago all utilities were bonded separately so we did not have to worry as much about power jumping, but todays utilities are all bonded together so if the cable TV line gets hit by power, it grounds out on the power lines and on the telephone phone lines. I know of thousands of homes and businesses over the last thirty years that had there entire computer systems fried, computer,printer and monitor, that entered the building via the Telephone line. The telephone companies have a "Lightning protector," outside every home and office, but these device functions to keep the lightning from burning the building down, they do not reduce voltage, they burn out at at very high voltage, so a lot of damaging voltage go past the telephone protectors. No system is totally safe.

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RoN of ohio

03-02-2003 15:42:32

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

I guess that the consensus is to leave it on, but turn it off every month or so for internal maintenance. Sounds good to me..Thanks..Ron

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Buckeye Fan

03-02-2003 13:58:40

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

If you do not leave your computer on then it is impossible for the computer to run it's maintenance system checks, provided you have programmed it to do these things , which you should. HTH

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MikeC

03-02-2003 13:06:53

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

It's really 6 of one and 1/2 dozen of the other. While thermal creep (movement of cards within sockets) does happen from the hot/cold cycles it is pretty rare with newer equipment. Spinning the hard drive up and down does cause added wear, but you are more likely to replace the computer before the hard drive will ever wear out. And unless you have a Unix/Linux system or a server that is well tuned, it is a good idea to reboot the system from time to time anyway (especially with any Windows 9X system).
If you do choose to leave it on all the time make sure you have it plugged into a smart UPS (one that can gracefully shut the computer down in the event of a power outage). There are few things worse than sudden power outages and voltage sags on computers (you can check the UPS logs and you will be surprised how often you see sags and spikes).

I have a server at home that stays on 24/7 because I need remote access to it that is on an APC Smart 700. My 4 end user computers at home are only on when I'm home (the one in the shop is only on when I'm out there and need it). They are all protected with their own UPS.

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tlak

03-02-2003 12:07:24

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

When I have a slowdown of internet service the first thing they ask or say is when is the last time you shut off your computer. They say there is some microsoft glitch that slows up the computer and rebooting is th way to clear up the bottle neck. So how do leave your computer run continueous or are these people full of it?

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Dave (WI)

03-02-2003 14:34:59

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Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to tlak, 03-02-2003 12:07:24

I noticed that. Takes forever sometimes, almost as if the hard drive has to go through every program I used for the past few days. I'll shutdown the computer and wait a minute and re-boot and It's like having a different computer. This must be what they are talking about. Thanks for the original question, thought is was just me.

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Salmoneye

03-02-2003 12:16:26

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Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to tlak, 03-02-2003 12:07:24

You can easily reboot without shutting off the power...

Start...Shutdown...then choose Restart instead of 'Shutdown'...This is a 'hot (warm) boot'...

That said...There is something to be said for a 'cold boot'...Shut off the power for 2 minutes (30 seconds is usually good enough)...Something about the RAM needing to fully power down once in a while to completely clear itself...I only cold boot once in a while...that is usually due to a bad electrical storm...I have seen puters fry right through 'surge protectors' so I unlug if I am here...Otherwise it is on 24/7...

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Dave Smith

03-02-2003 12:43:44

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Re: Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to Salmoneye, 03-02-2003 12:16:26

We have a radio tower acrosed the road from us. Every time it takes a lightning strike we are likely to loose the telephone. The kitchen wall still has a scorch mark from it. When I am not on line I unplug the phone line. I got tired of buying answering machines (about two a year) and went with the phone companys service for this. The towers engineers tried to tell us that it could not happen. But the electric co. got involved since they often lost transformers. So there was two sets of engineers batteling it out. A new outfit took over the tower and added a bunch of comunication dishes and did other extensive work on the it. We havent had any problems since then (about a year and a half). Knock on wood. But I still unplug the phone line from the computer.
Dave <*)))><

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Ayuh...

03-02-2003 12:52:35

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Re: Re: Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to Dave Smith, 03-02-2003 12:43:44

When I said 'unplug', I meant every wire into the puter...I have replaced more lightning hit modems for people than all other components combined...

The good part about it is that they act as an added circuit breaker for the surge...I have only seen one mother board fry from lightning through the modem...usually they just pop and that's where it ends...Usually...But not always...

;-)

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Ultradog MN

03-02-2003 11:48:43

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Hey Ron,
I'm running the same Compaq 5000 that you are.
Had this one for a little over 2 years now.
I've shut it down a few times when we were having a big electrical storm but other than that it has run 24/7 since the day I bought the thing.
I do other things like keep the lights turned off and keep my thermostat turned down and wear a sweat shirt and slippers around the house. So it's not like I'm totally indifferent to energy usage.
My first computer was all screwed up and never liked to boot up properly.
So I just left it on.
It ran constantly for over 5 years.

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Terry Alexander

03-02-2003 10:30:35

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Finally....something I can respond to intelligently!

I am in the computer business. The other posts are right on the money. Turning your computer on and off is extremely hard on the equipment. Leave the computer on.....but.....most of your electrical consumption will be from the monitor. It is an electrical HOG. What I do is turn my monitor off when I am not using the computer.

HTH

Terry Alexander

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Dave Smith

03-02-2003 12:11:47

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Re: Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to Terry Alexander, 03-02-2003 10:30:35

This HP 763n has a standby. Would it be to any advantage to leave it in standby. It does give that option with Windows XP.
Dave <*)))><

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JimNC

03-02-2003 09:57:14

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

I keep a good check on my electrical usage by writing down the meter reading everyday. I have checked with the computer being shut down after every use for a month and and leaving it on and could not tell that it was a factor in the KW used per month. I leave mine on all the time like Salmoneye said. I have read alot about the pros and cons of leaving a pc on all the time and turning it of at night. It's like a car most wear on the engine occurs during start up.

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Salmoneye

03-02-2003 09:18:25

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Re: O.T. It's not that I'm cheap. I'm just truly conservative in reply to RoN of ohio, 03-02-2003 09:08:18

Chances are...You have a 200-300 watt dc power inverter in there...200 watt takes 5 hours to use 1 kilowatt of power...this is not factoring in the monitor...

That said...There is also a school of thought that says leaving the whole rig on forever is better for all the internals than turning it on and then off and then on...Something to do with the thermal cycling...heat up, cool down, heat up, cool down, etc...

Mine is on 24/7 and has been for years...

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