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- Laptop Will Not Run On AC Power When Battery Enabled
- Ok, so I got a new battery yesterday. It worked fine last night; charged up the battery, then I unplugged AC power and ran it purely on battery power to see how much life it had - right at 1 hour. Then I plugged AC cord back in,...
- Discussion threads 2007-07-07
- Constant beep during boot
- I have an HP Omnibook XE3 running Win98 and Phoenix BIOS. When booting from the battery, it beeps constantly without stop, pause, or change in tone. If I shut it off and restart, it boots just fine. If I boot from AC power, it boots just fine the 1st time....
- Discussion threads 2007-04-19
- Intriguing Laptop Power problem -an expert seeking help!
- hi guys, long time reader first time contributer! I consider myself pretty competant with PCs/Laptops etc but I am stumped for once! Also all shops/friends I have asked equally cannot explain the following problem:Compaq Presario 2500 aquired a few months ago. Works fine on AC power but once disconnected runs...
- Discussion threads 2007-03-28
- ac/dc powere
- I have a server rack.I have few server with AC POWER and few with DC power.can i provide AC &DC Power in the same rackYes it's possibleBut not recommended as it's safer to keep all the AC and DC stuff separate where possible to prevent damage when rushing through something.Col
- Discussion threads 2007-02-17
- HD recovery/ using external drives in safe mode
- Hi all,Just to prove that when things are bad they can always get worse, the following happpend to my dell inspiron 600m:- The AC power jack broke loose off the motherboard due to an accidental yank of the power adapter cord. So no AC power gets to the machine...
- Discussion threads 2007-02-12
- 10 ways to protect systems from electrical catastrophes
- Are you confident that your systems are adequately protected from the types of calamities described in this article? Have you ever found out the hard way that they weren't?Beware of improper groundingBesure that all wall outlets are properly grou
- Discussion threads 2006-07-17
- Is DC the power to solve heat problems?
- Is DC the power to solve heat problems?article rootIs DC the power to solve heat problems?DC advocates argue that plugging servers into AC power is inefficient, and switching systems to DC would cut down on waste heat and component failure. The DC sales pitch puts the previously overlooked issues of...
- Discussion threads 2006-03-02
- Power draw of Servers
- I am trying to determine the power draw of each server I have and how to appropriate each server to UPS. I have been to the various websites of Dell and HP/Compaq and cannot find these important values of each server. They all list the power output and...
- Q&A 2005-02-09
- EMC CLARiiON CX3 Series DC Power Systems - Applied Technology
- The CLARiiON CX3 series DC power systems eliminate many of the typical limitations of AC power. The addition of the DC line allows incredible flexibility in deployment options. DC-powered arrays are an elegant solution when AC power is unavailable, for example in remote or harsh environments. For that reason, EMC's...
- White papers 2008-03-01
Additional Resources
- Toshiba Laptop doesn't recognise when running on AC power
- Hi I have a Satellite Pro that works fine but doesn't recognise when running on AC Power. Works ok on both battery and AC, removed battery and run on battery alone with no problems. I have tried a replacement battery to no avail. Problem being is that it won't...
- Discussion threads 2008-11-25
- Laptop shuts off with batt in, but runs fine on AC power
- I recently acquired a Gateway MX6625 laptop that was non-functional. I replaced the motherboard because the old one had been zapped (I suspect it was because the power connectors' soldering on the board was burned) and the laptop wouldn't turn on or anything...no lights, etc. Anyway, I replaced...
- Discussion threads 2008-02-24
- HP 6710b - runs slow with AC power
- Hi There !I have one user with this weird problem where his laptop runs fine on battery and runs slow on AC power. We have tried other power supply and it runs fine with that. I know I should buy one but I really want to know why would laptop...
- Q&A 2009-11-30
- Why does Vista change the power scheme when it wants to?
- I am tired of this happening. For the default power scheme it turns off the monitor in 20 minutes and puts a password on wakeup. Now I have deleted all power schemes but mine (I changed the turn off monitor to 4 hours and no password required). For no apparent...
- Discussion threads 2008-03-18
- Looking for a Power Inverter
- I figure I give this community a try, as I have been trying to contact numerous companies. They either not have the product or, like Newegg, would not help me at all.I am looking for a power inverter for a laptop that matches all of these specs:> 150W min into...
- Discussion threads 2008-01-15
- Display issues (see post for specifics) on HP laptop when on battery power
- Hello All!My display will draw thin lines about 1 1/2 to 2 inches in length next to the mouse and will repeatedly turn on and off when running on battery power on ac it is completely fine. Battery is showing a full charge.Is it possible that the battery can't...
- Discussion threads 2008-02-19
- ac adapter dell laptop
- Hello all! I have a Dell Latitude D600 running WinXP using a 90W power adapter (Dell model #PA-1900-02D, DP/N 9T215a) which was running fine. After not using an adapter for a weekend, when the adapter is plugged in and system started up, get a BIOS-type error which reads "The...
- Q&A 2005-03-23
- TechRepublic Tutorial: How to diagnose a faulty power supply
- Most computer failures come from one of two places—hard drive failures or power supply problems. Most power supply problems usually don’t result from internal component failure, but rather from external events that place unreasonable demands on components within the power supply. For example, if lightning or a large power surge...
- Technical articles 2003-04-01
- Can I bypass my ac adaptor to save energy?
- I'm going solar at my remote weekend cabin. I'd like my computer, modem & wifi on all the time. The components each have an AC adapter(120AC to 12VDC) I'm thinking that there would be less power consumption and waste if I bypass the ac adapters and wire directly to...
- Q&A 2009-09-20
- Laptop only working on ac power but battery is good.
- I have an HP DV8320us and recently it stopped working on battery power. Before the problem occurred I could get almost 2 hrs of battery life before it ran out. All of the sudden it wouldnt work unless it was plugged in. I know the battery...
- Q&A 2009-08-11
- Mobile memory and PDA power: Don't leave home without them
- Consultants who depend on their PDAs shouldn't walk out the door without auxiliary memory or a backup power supply. We'll help you prepare your Palm or your Pocket PC for life on the road.With the advent of Pocket PC PPC and Palm devices, all of your important business information can...
- Technical articles 2001-09-21
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