Hp pavilion entertainment pc won't boot from cd/dvd

Ok so hopefully I can figure this out... My sister gave me her laptop to restore for her because the last guy to fix it for her put a bootleg windows 7 on it so I went out and bought a real version of windows 7 for her but it won't boot from the cd/DVD drive all I get is a small line on the top left corner and then it boots to the desktop I changed the boot options through the bios and tried everything else but nothing seems to work... Help?

Hi,
I would first like to thank you for being a part of the HP Family. I have a document on a possible solution for your issue regarding the recovery disks.
Recovery Disk
If more assistance is needed please reply
Thanks for choosing HP
I work for HP, consumer notebooks and desktops.

Similar Messages

IMac can't/won't boot from Leopard DVD

My 1GHz G4 iMac can't or won't boot from the DVD, although I know the media is good.
I get stuck on the grey screen, the rotating bug stops rotating after about 5 minutes.
It will still boot from the hard disk fine, and will boot with other DVDs as well. Hardware diagnostics check out fine.
I did try single user mode, it will get there OK.
Verbose mode spits out a lot of messages (who knew? - lol), but nothing that seems to point to any one issue. It too stops spitting out messages after about 10 minutes.
Any ideas?

I did try the clicking the mouse thing just for the heck of it... no joy.
I do see a few other threads like this one, so I'm not alone on this.
The error messages I see are (not going to type them out all the way):
launchd[1]: Failed to count the number of files in /System/Library/StartupItems no such file or directory
Then a bunch of mDNSResponder errors, also saying either no such file/directory or invalid destination port.
Then a message saying Folder Manager is being asked to create a folder (cach) while running as uid 0
Then Cannot use ATS Persistent Store - switching to old FODB cache code
kextd[47]: root filesystem is read-only; skipping kernel link data generation
followed by a couple of errors from configdp[41]
Then nothing....
Still stuck...

Hi guys I'm really in need of some help. I have an IMac I3 for a while now I've been having a problem of my machine refusing it shut down , it goes to a blue screen with a spinning wheel but doesn't shut down. And now won't boot from install DvD

Please some one help me ...
A) my mac won't shut down with external HD connected (if it's been used)
B) there are disk permissions that can't be fixed SUID stuff ..
C) I have now verified the Mac HD and it tells me it's corrupt in bold red writing and to start up from install DVD
D) it won't boot from DVD so I cannot run the repair , initially the machine was spitting it out on start up , now it appears to be attempting to boot off DVD , well it sounds like it is .... BUT it's hanging with the Mac Logo and a wheel ... For um .... 30min now...
E) weirdly when OSX is booted off the hard drive , it won't recognise the Install DvD or the applications one... It just spits them out....
I had an old PPC 17" and it was a beaut .... Never had a single problem with it ...
I bought this one December 2010 and it's been nothing but issues for a computer in excess of £1000 I'm extremely disappointed ... And weirdly the shutting down issue started when it was a week out of warrantee ... I feel conned and am almost at the point of throwing it at a wall and buying a PC

Ok so I've done what you said and this is what it's come back ....
I don't know that these are the errors , but they're the things which don't look right ...
Throughout the shut down there is a recurring line ;
It says ;
Com.apple.launchd 1 0x100600e70.anonymous.unmount 301 PID still valid
Then there are 2 more which I think are related ;
Com.apple.securityd 29 PID job has I overstayed its welcome , forcing removal.
Then the same with fseventd 48 and diskarbitrationd 13
Oh and on Launchd1 : System : stray anonymous job at shut down : PID 301 PPID13 PGID 13 unmount...
Then the last process says "about to call: reboot (RB_AUTOBOOT).
Continuing...
And stops ...
Hope this means something to you ... Thanks again for your help so far :-)

Won't boot from OSX DVD

I am running 10.4.8 on a MacBook Pro--suddenly it tells me I can't install this OS on this computer (?). Also, it won't boot from the Tiger DVD (all other DVD's work fine). I tried holding down "C) on startup and even the cmd-opt-shft-delete combination. Something strange here. I'm wanting to install X11 but can't get the DVD to work. What can I try?

You cannot install a prior version of OS X on any Mac unless you: a. Do and Erase and Install; or, b. Do an Archive and Install. However, neither of these is needed to install X11. Insert the OS X Installer Disc One (gray label) that came with your computer. Locate the Additional Software package and double-click on it. When the installer loads you can select the items you want to install by placing a check in the box beside the item's name in the list box. Check the X11 box then click on the Install button.
You can only boot an Intel Mac using the installer disc that came with the computer (gray label.) Retail installers (black label) will not work with Intel Macs.

MacBook Pro Won't Boot from Leopard DVD

My brother's MacBook Pro (2009 13") won't boot from the Leopard install DVD. Here is what happened:
- I tried to do Bootcamp on it. I installed Windows 7 but realized that there were no Bootcamp drivers for that.
- Deleted Widnows 7 and put the XP install disc in. Somehow, it formatted my Mac partition instead of my Windows partition.
- Now that the MBP was only running Windows XP, I connected it to my iMac in target disk mode and wiped it (GUID, one Mac OS Extended (Journaled) partition).
- I tried to put the Leopard (10.5.0) install DVD in there so I can restore from the Time Machine backup, and it sees it when I hold option at bootup but refuses to boot from it.
- I reset the PRAM and tried again, no luck.
What is going on here? Does it have to do with the fact that it was doing Bootcamp? I either want to boot from the disc or somehow restore from Time Machine some other way. I can use another computer (my iMac) if I need to.

Haha yeah, I posted right before. The thing I'm wondering now: Does this mean that a Mac that came with Lion cannot be downgraded to Snow Leopard? Well, I'll save it for another question if I ever cross that bridge.
Limnos wrote:
Just so we know, this is the original OS disc that came with this computer? Even if you're trying to use a retail installer disc I am not sure those came out the the sufficient sub-version required to boot the computer (I think it needs at least 10.5.7 but don't have the specifics of your model).
Edit: I guess I'm a slow typist.

BRAND NEW Mac Pro won't boot from Leopard DVD, kernel panics!

I just received my brand new Mac Pro today. It's a BTO machine with the upgrade to the NVIDIA 8800GT, a second optical drive and a Mac OS X Server license. The system has Mac OS X server installed on the default 320GB drive. I decided to use the server license as a virtual machine running in Leopard client. So, I installed 2 new 500GB Seagate 7200.11 (Retail) drives in the machine, zeroed them out in prep for installing Leopard client.
At this point, I pop in a freshly-purchased retail copy of the Leopard DVD and restart. When I try to boot from the DVD and install Leopard to one of the new Seagate drives, I get kernel panics - need to restart the machine. Also tried booting from the Mac OS X Server DVD and this too only caused kernel panics. The DVD's read perfectly from within Mac OS X Server and boot from hard disks is flawless.
I spent an hour on the phone with a level 2 tech at Apple - Tried swapping out the RAM and moving around the DIMMS to no avail. I am at a loss to what this could be. Seems to be a hardware issue and the tech thought it was likely a problem with one of the memory risers but couldn't send replacements. Anyone else with a similar issue?
This is my first Mac and it looks like this Mac Pro is going back for an exchange and I'll have to wait yet another 10-12 days for a replacement to arrive. Bummer.
Am I missing something simple here? Does this seem to be a hardware issue?
If anyone has any ideas before I ship this one back, please write!!!

New Mac Pros will not install the Leopard retail disc. They will only install the Leopard disc which shipped with them labeled Mac Pro. That has always been true. Macs can only boot the system that ships on DVD in the box that came with them, and newer retail releases. They can never boot from an older retail release than what shipped in the box.

SP6000 won't boot from a DVD (but does boot from CD)

Hi,
It's the second time I try to boot a Linux Live DVD (burnt on DVD-RW), to no avail: the disk spins for a few seconds at several (low) speeds, then the boot reverts to HD. On the contrary, it boots fine from a recovery CD or a Win installation CD (both burnt on CD-RW).
Is this a known "feature" of the SP6000 BIOS, or of the drive (Toshiba SD-C2502)? Can this be circumvented?
Thanks for any help.
L.

For some reason, I've had to change the BIOS' boot order (typically F2 at start-up) to have the CD/DVD drive in the first position when booting from a DVD in order for the drive to complete the process. Merely selecting the CD/DVD drive by hitting F12 is insufficient.
It appears that the CD/DVD drive either resets or is powered down too quickly to get through the amount of data on a DVD, but a CD is small enough to finish the load. Reordering the BIOS seems to keep power and attention on the drive though.
Let me know if that works.
Everyone has a naughty side...mine gets paid

Won't boot from install DVDs

I have an iMac here that refuses to boot from the install DVDs, no matter what.
I tried booting using the alt key, the C key, using the DVD in the Finder and restarting and via the startup disk in the System prefs. I always get one of the two following results: - either the DVD seems to startup, but then puts itself into a loop where it doesn't get to the installer and restarts the computer, - or it simply bypasses the DVD altogether and boots from the the internal hard disk...
I tried using various (full and legit) OS10.5 installation DVDs with the same results as above...
I've performed these operations many times in the past without problem, and It's actually the first I see a Mac that refuses to boot from an install DVD...
I thought maybe if firmware password protection enabled somehow... Would that do that?

You need an installation DVD to turn firmware protection off, ironically.
I doubt it is the issue here, though. If it was enabled, it would show a grey lock when you try to hold down option while booting up.
Is the iMac you are trying to boot from the DVD Leopard compatible as far as processor and RAM? My brother's iMac w/ 256 MB RAM cannot boot Leopard at all.
Message was edited by: Mac OS 9000

Tiger/Panther install problems - won't boot from Tiger DVD or Panther CD

My Mum has an iMac G3 CRT, running at 500MHz, with 1GB RAM, a 20GB HD, & a slot-loading internal CD-RW.
The iMac in question is the model described here: http://www.everymac.com/systems/apple/imac/stats/imac500indigo.html
She only uses the machine for email & web browsing, but because it runs OS 9, it won't run a modern web browser (it's stuck on Internet Explorer 5.1.7) so lots of websites don't load properly or work at all. This is fair enough as IE for the Mac hasn't been updated since 2001.
My idea was to upgrade the machine from OS 9.2.2 to (ideally) 10.4.11, or failing that, 10.3.9, which would then let her use the current version of Safari, or possibly even Firefox. (Any thoughts on which would be easier for a currently IE-using technically-challenged pensioner would be welcome, although I prefer Safari myself, despite its shortcomings).
The iMac only had it's original 128MB of RAM until recently, but I persuaded her that it would be a good idea to spend 70-odd Pounds on 1GB of RAM so that OS X could not only be installed (which would let a modern browser be used) but would run at a useable speed. The minimum requirement for Panther is 128MB of RAM, but I suspected that it would run like treacle on a 128MB G3, and I was hoping to go for Tiger anyway, which requires 256MB.
As Tiger comes on a DVD (I have the retail/generic version) and the iMac has no DVD drive, I borrowed a friends external LaCie FireWire DVD-RW drive (the Porsche styled one). The DVD mounted first time, and the Startup Disk control panel let me select it.
When I restarted, I got the initial OS X pale grey screen with the dark grey Apple logo in the centre, with the spinning circle thing below, but after a minute or so, I could hear the DVD stop spinning in the drive, and a few seconds later the dark grey Apple logo changed into a dark grey "circle with a line through it" logo, with the normal circle thing still spinning below. This is how things stayed for many minutes, so I just restarted with the external drive off, and eventually got back to a normal 9.2.2 boot-up.
Next I tried running the "Mac OS X Install" application on the Tiger DVD from within 9.2.2. This started and came up with a big Tiger logo screen with a button labelled "Restart". Clicking it brought up an OS 9 error dialogue though, which said something along the lines of "the Tiger DVD cannot be selected as the startup disk" with a number 2 in brackets at the end of the error message - like this: (2)
This error occurs both if I select the Tiger DVD in the Startup Disk control panel prior to running the "Mac OS X Install" application, or if I select the internal hard disk. I know the DVD isn't faulty, as I used it to successfully boot my own Mac (a Power Mac G4 Mirror Drive Doors) just the other day, in order to repair permissions on the startup disk.
At this point I gave up on Tiger and tried to use the first of 3 Panther CDs that I have. These 3 CDs are burnt copies that came with my own Mac and contain version 10.3.2.
The CD refused to be selectable in the Startup Disk control panel. It's icon was greyed out, and so I couldn't boot from it. I tried running the "Install Mac OS X" application on the CD from within OS 9, but got the same error with the 2 in brackets when I clicked the "Restart" button, just like with the Tiger DVD.
Initially, I suspected that these Panther discs might be machine-specific, rather than the retail/generic version, because of the first CD being greyed-out in the Startup Disk control panel, but then the error dialogue that matched the one I got when I tried the Tiger DVD makes me think that my Panther CDs might be generic after all. Examining the first CD on my own Mac, it appears to be generic, but I'm not 100% sure, as the CDs are copies and as such don't have the usual identifying information on the labels. There are no machine-specific files that I can find on the first CD, which is dated January 9th 2004.
Various websites mention that when Tiger was current, Apple would swap a retail copy of the DVD for a set of CDs. I've looked on eBay but not been able to find any. This doesn't surprise me though, as there will be very few copies of Tiger on CD out there, and even fewer copies that people would want to sell.
There are a few retail copies of Panther available on CD, but if my current burnt copies of these discs are in fact generic, then buying a new set would make no difference. Besides, I'd prefer to use Tiger.
The Tiger minimum requirements (see http://support.apple.com/kb/HT1514) say:
"To use Mac OS X 10.4 Tiger, your Macintosh needs: DVD drive (DVD-ROM), Combo (CD-RW/DVD-ROM) or SuperDrive (DVD-R) for installation"
What it doesn't say though, is whether the DVD drive has to be an internal one with Apple firmware/modifications, or whether an external 3rd party one will do. However, I know from various websites that it's possible to load Tiger onto this sort of Mac, and sometimes even older non-FireWire Macs, despite what the minimum system requirements say.
If anyone has any suggestions I'd be much obliged!
Thanks.

The problem is now solved, but I'm not sure how I managed it, unfortunately.
Having read the article at http://docs.info.apple.com/article.html?artnum=75430, I checked both my Tiger DVD and my first Panther CD, and neither had the firmware updater on them, despite what the article said, so I downloaded it. However I was sure I'd applied a firmware update to the iMac a long time ago, and the 4.1.9 version number seemed familiar.
When I checked, I had in fact already applied the firmware update a few years ago!
I tried running the "Mac OS X Install" application on the Tiger DVD from within 9.2.2 again, and got the same error message as before. I was wrong about the error code though. It was minus 2 in brackets, not 2 in brackets.
The full text of the error message is:
An error occurred.
"Startup Disk was unable to select the
install CD as the startup disk. (-2)"
I tried selecting the DVD manually in the Startup Disk control panel (as before) and running the application again gave the same error message (also as before).
I then went into Extensions Manager to see if there was anything there that might be interfering with things. The only thing that caught my eye was the LaCie SilverLining control panel (which I think was version 6.4.5a). This was something that originally came on a floppy disk accompanying an external hard drive that I used to use years ago at a place I worked, and I used to find it invaluable back in the OS 9 G1 Power Mac magneto-optical external drive days!
I couldn't remember what it was doing on the iMac, but I switched it off, and then clicked "Restart", hoping that when I rebooted (in OS 9) the error message wouldn't come up when I ran the "Mac OS X Install" application.
However, I'd forgotten that I'd switched the Startup Disk control panel to the DVD, so when the iMac restarted, the initial OS X dark grey Apple logo screen appeared, and I expected the dark grey "circle with a line through it" logo to appear shortly afterwards, but it didn't! The iMac booted up from the DVD, which then let me install Tiger! I was then able to apply the 10.4.11 update, plus all the others that Software Update provided. About half a dozen restarts and several hours later, the iMac is now fully updated & configured, favourites are copied over to Safari 3.1.2, and all I have to do is teach my Mum how to use the OS X Finder, Mail & Safari, as opposed to the OS 9 Finder, Outlook Express & Internet Explorer...
Switching off the SilverLining control panel seemed to do the trick, but since the iMac then rebooted from the DVD, not the internal hard disk, I don't see how it could have possibly had any bearing on things! Very weird!
Anyway, thanks to Allan Jones & spudnuty for their advice. All's well that ends well!

Blue & White G3 won't boot from Tiger DVD

Correct me if I'm wrong, but the B & W G3's ARE supported under OS X 10.4 right? This computer came to me only a week ago with 10.3.9 installed (flaky, but working), 32x CD-ROM, 384 MB RAM, 25 GB HD. The PRAM battery is dead. I was also given an NEC 5x DVD-ROM to install. This works fine (when it wants to) when booting with an OS 9.2.2 CD-ROM, and it can see and open the Tiger install CD... but it will NOT boot from it for some reason, computer just sits and idles. Any ideas?

This article concerns a specific problem with the Blue & White G3 and the Matsushita CR-587 CD-ROM drive. However, it shows an Open Firmware workaround that you could try:
25793- Power Macintosh G3 (Blue and White): Unable to start from Mac OS X 10.3.2 Install CD by holding "C" key

2008 MacBook Pro won't boot from Leopard DVD or Target Disk

Yesterday I was working on my MacBook Pro. I use FontExplorer to manage fonts. I ran the conflicts diagnostic looking for missing font files, which returned about 200 results (I was expecting this). I've moved the fonts installed by Adobe/Microsoft out of my fonts folder in my user library (user library, not system). For some reason the computer started to become very slow, to the point of beachballing. The freezing seemed to start and stop. I was able to close FontExplorer and Illustrator without force-quitting. I tried to shut it down gracefully at that point but it froze up again, so I hit the power button to force a restart. It started up but now it hangs on the gray screen right before the Apple logo. The logo doesn't come up, I can hear the drive spinning as normal but it doesn't do anything.
I've tried booting from a retail copy of the Snow Leopard, but it doesn't work. I can hear the disc spin up in the DVD drive as though the computer is about to read it, but nothing happens. It just stays on that same blue screen. I've tried booting my MBP in Target Disk mode from my iMac. The target disk icon appears, however it just sits in the middle of the screen and my drive doesn't mount on the iMac. I've noticed now that the white status light on the front of the MBP (on the latch) doesn't come on, and if I cover the speakers the backlight doesn't turn off.
What do I do now? I have an enclosure I could use to try and boot the MBP's drive from, but I'm running out of options. I'm really starting to worry about my data. I have a major school project that's already late which is on there, and I don't have a recent backup. If I don't hand it in... let's not go there. I don't understand how this could happen; I take very good care of my computer, I turn it off when it's not in use, and I run Cocktail on it once a day which does a SMART status check.
Help?

sig,
The first thing I tried was booting from the install disk. The 2008/2009 MBP's aren't able to boot from a retail DVD of Snow Leopard, which is why I ended up using the original hardware-specific install disk that shipped with my computer. That didn't boot either. I was able to view the drive in Disk Utility when it was in the enclosure, but the partition with my data on it would not mount. I attempted a repair disk on the drive but that failed. It wouldn't mount in Terminal either. I considered trying to rebuild the volume catalog using TechTool Pro but there's the possibility that could actually make things worse. So I've taken it to the repair shop. They're running it through DiskWarrior overnight, last I heard there were 60-something thread errors. Yesterday my SMART status was fine, today my drive is dead. What happened? Hoping for the best (but expecting the worst).

HP Envy 15 Won't boot from external dvd rom

Hi All,
My HP Envy is brand new (Envy 15 j151sa). The external DVD drive is brand new (HP dvd600). My model of the Envy does not have an internal CD/DVD drive
I want to boot from a live DVD.
I've read other posts and answers for similar queries and followed the suggestion.
On boot press F10 (BIOS setup) and the Boot Options settings are as follows...
a) Secure boot - disabled
b) Legacy boot - enabled.
c) Changed the legacy boot order to have the USB dvd rom as first in the list.
Save the setting.
Restart the PC.
On boot press F9
Displays the availabe list of devices (3) to boot from as
OS Boot Manager
Boot from EFI file
Notebook harddrive
There is no option to select the external DVD rom drive.
I have upgraded the BIOS to the latest HP recommended version.
I don't know what else to try.
I could really use some help now.
Thanks
This question was solved.
View Solution.

Your external DVD drive is operatying as it should.
The best place to find an answer on how to make the live CD is at the Debian forum. The disk you made apparentlydoes not have an MBR bootsector or a recognized EFI partition. Either of those is what is needed for the disk to be bootable and your notebook BIOS must be configured accordance with the choice of format type.
Personally I have always preferred using a utility like UNetbootln to make multiple "live" bootable Linux versions.
I don't bother with the hassle of DVD or CD media any more.
If you have a spare 32 or 64GB usb flashdrive, then you can put an incredible number of versions of Linux and troubleshooting utilities on it.
The economy of scale with usb flashdrive has gotten to the point where a 16 GB usb flashdrive is less expensive that DVD recordable media. Check out the prices at NewEgg.
Get your preferred version of Debian AMD64 live iso from here.
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

Read but won't boot from CD/DVD

This is blowing my mind! I need re-install system, it's to old (using Panther sisnce it was launched). However... the CD-ROM is dead, I'm using a external CD/DVD by USB. Course, I cannot install system from there becouse I got to boot from disc to perform Installation.
Buy another original CD-ROM is to expansive, even some 3th party. Cheap CD drives got 40 pin port, not the 50 pin of iMac. So I remove the CD-ROM from there, change the cable HD-CPU by a long flat cable with 3 connectors and put a LG CD/DVD as a slave at the ATA0. Both works fine, I can read CD and DVD media, but when I try to boot from CD, the drive is not recognized as a bootable device.
I try some install discs I got (a Jaguar and a 8.6, originals). If I force iMac by booting with my little fingher over the "C", a folder with a "?" keep flashing until I let it load the system from the HD.
XPosFacto says that is not a bootable device, invalid partition map.
What is missing?

There is no way using less than 8MB of Tiger partitium
You DO have to make the startup volume the first partition and less than 8GB in size. It may work for a while if you created one partition that extends beyond 8GB, because all of your system components are initially located below the 8GB limit. It will work fine as long as all the files needed during startup stay below the 8GB limit. However, if a future software update or software installation places or moves a component needed during the startup sequence beyond the 8GB limit, your iMac will stall during startup or give you the grey screen, as documented here.
http://support.apple.com/kb/TA22193
You CAN install Tiger into a volume that is under 8GB. Choose to customize during installation and deselect everything you do not need, such as languages and printer drives and bundled software. That will reduce the size of the installation by as much as one GB. Then, use aliases to link things that take up space in your user home folder, such as music and photo files, to folders in the second partition. Basically, store most of your user data, except of the Library folder, on the second partition. If you can keep at least 2GB of space free, it will run fine.
It's not ideal, but these old iMac were designed to run Mac OS 8 and 9. Mac OS X did not even exist at the time, except in development. And they were not meant to have hard drive larger than 6GB. It's actually amazing that Mac OS X Panther and Tiger work at all.

Powermac G5 won't boot from install dvd.

The hard drive in my Powermac G5 quit, so I put in a new one that was formatted. I put the install DVD (OSX Server 10.4) in and booted. Every time I try I get a kernel panic. Everything else in the computer works. I have tried putting it into target disk mode and installing the OS using another computer, but it won't let me because the computer doesn't run tiger. I have also tried putting the functioning Mac into TDM with the install disk in it, then booting it from that but I still get a kernel panic. The computer was functioning normally before the hard drive crashed.

OK, that's a Late 2005 G5...
http://www.everymac.com/systems/apple/powermac_g5/specs/powermac_g5_dual_2.3.htm l
Pre-Installed MacOS:
X 10.4.2 (8E90)
Maximum MacOS:
X 10.5.8
So, If that Install Disc is in fact 10.4.0 as I suspect, then it won't work for your G5... no drivers.
I can only see a couple of options at this point...
1. A newer Install Disc.
2. An older Mac & a Firewire drive to install it to, update to 10.4.11, move FW drive to G5.

Mac Mini stuck with windows install, won't boot from OSX DVD

Ok, I just bought this mac mini from ebay, yeah i know but it was cheap. I got it and it came with windows xp installed. I thought ok, I will just pop in my snow leopard disk and get rid of windows. so i put in retail new copy of snow leopard in the drive, shutdown, power on, hold C... grey screen for a little while then into windows boot screen. Thought ok, I will try reset pram, option + command + p + r, nothing... just boots into windows. I have tried to original osx 10.4 restore disks that came with the machine with the same results. I also tried holdind D during boot with the original disks and it still does the same thing.
I have also tried holding down option during boot, thinking it would give me my boot options, nothing still goes into windows. I am using a new aluminum white keyed usb apple keyboard and apple optical mouse, all plugged into the back of the machine.
I don't know what to do next, if I can't find the solution it looks like i am going to have to take this thing apart and yank the drive and format it on my other machine with osx partition.
thanks

There's a couple more options yet.
First, try a different USB keyboard.
Second, when in Windows use the Bootcamp system tray utility to choose bootup from the OSX partition. You can install the Bootcamp system tray utility from the SL disk.
Third, if you have another Mac and an appropriate firewire cable, bring the Mini up in Target Disk Mode and blat the disk that way.

Hp pavilion entertainm​ent pc won't boot from cd/dvd

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