Question about HP Pavilion ze4145 Notebook

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Power turning off

My Hp Ze4145 Shuts off when the Operating System takes over the Cpu, I tried to run Linux off a cd and it did the same thing. I though it might be the RAM so I ran the system diagnostics on the laptop and it said all components were working fine. I'm really not sure why its doing this, any help would be greatly appreciated. Thanks.

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Re: Power turning off

Feel the bottom of the laptop and see how hot it is getting. You might have a build up of hair and dust which blocks the cooling vents. this then causes overheating and the whole thing will just shut off. M

Posted on Aug 21, 2007

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When I start the laptop (HP HDX 16) I get this messege: Boot device not found Error codes Hard Disk-(3F0) pleas install an operating system on your hard disk. F2 system diagnostic. but it does not install...

The Windows edition listed in BIOS (Vista) is referring to the operating system that came with the computer. BIOS's System Diagnostics will always say the OS is Vista, because that is the original OS that HP put on the system. BIOS itself, however, cannot detect an operating system on the new Hard Drive because there is no operating system. In order to get an operating system, you have a couple options:

Depending on the terms and length of your warranty, you may be able to get HP to reinstall the operating system back onto the new Hard Drive. The amount you would pay depends on the warranty. Many warranties, however, become void when you change physical components in the computer (especially with laptops). If this is the case, you will have to try the next option.
You can buy a retail copy of Windows either online or from an electronics store. The price will depend on what edition you purchase, but it will probably cost you at least $100 US.
You can install a Linux operating system on your Hard Drive. If you've never heard of Linux, it is an operating system based on much of the same code as Mac operating systems, but has a more "Windows-like" feel to it. Linux operating systems are NOT the same as windows, and some programs that work in Windows will not work in Linux; you would need to find the Linux counterpart for these programs. One of the best things about Linux operating systems are that they are absolutely free to download, install and use. A very popular and stable Linux operating system is Ubuntu, which can be found at:

Mar 20, 2011 | HP HDX16t Premium Series Notebook

2 Answers

HP dv6000 Lights up but that's it.

Re : When i press the power button, the lights all light up, the cd rom drive spins for a second and that's it. No fan, No Post, Blank Screen. After a few seconds, it shuts off and then turns back on.

That is generic hardware fault, any faulty device can cause the problem.

The motherboard must be started with a minimal set of devices to troubleshoot.

Start motherboard with only CPU, power adapter connected (faulty battery can cause the problem), heathsink, display and one memory stick. Keep unplugged HD, optical units, keyboard, minipci cards etc.

If problem persists, eventually test the motherboard using a post card(PCI & ISA PC Diagnostic POST CARD MOTHERBOARD TEST CARD) to ensure that new motherboard is not faulty, and then if cpu has not been replaced with the motherboard, replace CPU.

Jul 18, 2009 | HP Pavilion dv6000t Notebook

1 Answer

My cpu keeps overheating... I'm running Linux, which seems to run cooler with... My cpu would overheat, default motherboard shuts down... this problem only started occuring after i ran windows 7 64 bit......

It is obvious that you are "computer savvy", I like that in customer :-), what you described is common problem for laprops, you did not give me brand and model, therefore I cannot give more detailed info on the subject. MSI and Toshiba especially tend to create this problem.

Check your BIOS settings, these should be, especially in Linux, same as ACPI Linux settings, BIOS settings will override software settings.

Another very common problem is little known settings in Windows and LInux, called POWER MANAGEMENT SETTINGS.

Default settings for that in windows as well as in linux is DESKTOP. change that to PORTABLE/LAPTOP and this should solve majority of cooling problems on poratbles.

In Windows XP, Vista there are similar steps:
1. Select "Start" button
2. Control Panel
3. Power Options
4. Select "Portable/Laptop"

In Linux, I cannot help much, seem like every distribution have it's own power settings and typing all possible variables will create a book not an advice. Ubuntu have in it's last year edition bug which to save energy was throttling the fan, frying motherboard and processor on the way...

I ma advising always disable BlueTooth regardless of Operating system if not in use, can use up to 20% of power. It is a radio, it is broadcasting all the time.

Please read and this sites:

and if you feel very masochistic, try this one as well:

If problem is exacerbated by software, ususally start in hardware, this usually solves hardware problem:

1. Switch off computer
2. Disconnect all calbes
3. Remove battery, if removable, remove as well hdd and cd-rom
4. Turn laptop upside down
5. With little brush (toothbrush will do) clean all grill airvents from all possible debris.
6. Blow out gently all fluff and debris, if you can access fan blades, whipe them off as well.
7. In reverse order put laptop together
8. Connect power cord and switch laptop on on power, not on battery

On my laptops I am using as a back plate very thin perforated stainless plate, it is size of the bottom of the laptop, it is about 0.7mm thick and work as a passive cooler as a charm. Advantage is that I can take it to bed with me or lie on the carpet and it still provide adequate ventilation under the laptop as little legs from laptop rest on the top of it.

Aug 07, 2010 | Toshiba L305-S5902 2.0GHZ 15.4 I Laptops ...

2 Answers

HP Pavilion ZE2000 shuts down after HP Logo Screen

try putting a virus scanner boot disk or its because of mabey your laptop needs a new bios chip mabey?

Dec 31, 2009 | HP Pavilion ze2000 Notebook

2 Answers

Computer randomly shuts down in Safe Mode only

I can't think of any reason why you would want to run in safe mode except if the computer crashes your system. If you have a heat problem in safe mode it is shutting down to protect you CPU and GPU which are two things you won't want to replace. If you are over clocking you CPU that could cause this problem as the power management system is not active in Windows when you run safe mode. If your system is under warranty and you are concerned about this problem ask them to do a warranty repair. If it's not under warranty you can take it to Best buy and explain the problem and ask for a PC health check. Last I heard they were still doing those for free. At this point though I would avoid running the PC in Safe Mode

Sep 08, 2009 | Acer Aspire 7720 Notebook

2 Answers

I purchased an HP G-60-7913 last Dec 2008. After

ot may be a Faulty RAM problem try changing it but if it doesnt work then

i think u have got Conficker Work in ur system

the only thing is reset ur system to factory default state and all will be well and then always keep ur system updated with Antivirus product and Windows updates

for HP system all data will be lost pls proceed like this

Compaq/HP: When you first turn on the laptop and see the Compaq/HP logo screen, press the F11 key (you need to do this before the Compaq/HP logo disappears).

pls rate me well

Aug 11, 2009 | HP PC Laptops

4 Answers

Hi, i have recently got a hp pavillion dv5000 laptop given to me, unfortunately it has no operating system on it, i have an xp disc to install but when i try it gets to the point where it says press any...

yeah, hp sucks because it takes a special disc, if you want a good free operating system, try linux, its free and kicks A$$, you can order a free ubuntu cd at

you may not liker linux at first, but give it a while and you will soon love it, and there are many different "flavors" of linux, try it out

Jun 14, 2009 | PC Laptops

1 Answer

Laptop wont start

Dear customer
your system OS is please installed oprating system newly XP or VISTA.try this

Jul 25, 2008 | HP Pavilion ze4145 Notebook

1 Answer

Hp pavilion ze4145 processor swap

From the HP references I have this laptop has an Athlon processor using Socket AM2. The Intel M chip is not compatible with your laptop.

Jul 17, 2007 | HP Pavilion ze4145 Notebook

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