O error 0xc0000185

The 0xc0000185 error simply means that the computer can't communicate with the CD drive. It could be due to a faulty CD drive or media, a bad connection, faulty interface, bad memory, power supply etc. You will need to isolate the problem further, why couldn't you boot normally? check the BIOS settings again and try clearing the CMOS memory correctly as described in the manual (just removing the battery may not be good enough).

Your laptop cannot communicate with the hdd.
Try the link.
Windows 8 Error Code 0xc0000185

to boot from a cd you need to turn off fast boot option in bios if it is windows 8 only way to boot from a cd

You have a file error. If Win8, repair with the system disc, likewise for Win7.
Reset the bios to boot order DVD, USB, HDD

How to fix The Specific Code Is 0xc0000185 errors? There are several methods of fixing The Specific Code Is 0xc0000185 errors. You may need to try more than one method before you're successful.

• Download the (The Specific Error Code Is 0xc0000185) repair tool. Install the program and click on the Scan button. Fix any errors it finds once the scan is complete. Restart your computer.
• Manually edit your Windows registry. Start the registry dditor by clicking the Start button, typing regedit in the Search box, and pressing Enter. Open the HKEY_LOCAL_MACHINE folder ==> "Software" folder ==> "Microsoft" folder==> "Windows" folder ==> "Currentversion" folder. Click on the Run folder ==> Click on the The Specific Error Code Is 0xc0000185 file. Delete the file by pressing Delete The Specific Error Code Is 0xc0000185 key. You can then reinstall the file on your PC
• Update the drivers for the device. It's possible that installing the latest drivers for the device could correct the error. If this works, it means that the existing drivers you reinstalled in the step above may well have been damaged.
• You can also download the Windows The Specific Error Code Is 0xc0000185 recovery utility which has proven successful at fixing this error..

A 0xc0000185 error is usally a regestry error and there are two possible fixs, 1 is to reinstal windows or if you have a system reserve partiton you can resore windows with that both of these may and proberbly will lead to data loss, 2 is you can use a registry repairing program such as CCleaner to repair the registry,

Good luck ;)

Follow these steps
First you should Return BIOS settings to their default levels. An overclocked or misconfigured BIOS can cause all sorts of random issues, including BSODs.
- Restart your computer and then press and hold F8 keys until you get Advanced Options menu screen.Use the arrow key to highlight Safe Mode, and then press Enter, your computer will boot automatically to safe mode.
If you able to start in safe mode then update your graphic drivers from the manufacturer site of your laptop
Let me know if it helps you.
Use system utility tool like RegInOut to remove unwanted files , fix registry and windows errors which causing blue screen

Which operating system ?
Restoring your Windows 7 Gateway computer to its original factory settings is a great way to get rid of pesky viruses you can't seem to remove from your computer, or simply to remove old programs and files from your computer and start with a clean slate.
Your Windows 7 Gateway computer will likely run faster as a result of deleting old and unnecessary files.
It's also a good idea to restore your Windows 7 Gateway computer to its original factory settings if you plan on selling it, or passing it along to a family member or friend.
Recover From Windows 7 Home Screen
Click the "Start" icon in the lower-left corner of your Windows 7 home screen.
Click "All Programs" in the Start menu, then click "Gateway".
Click "Gateway Recovery Management" to open the Gateway Recovery Management program.
Click the "Restore" header, then click "Restore System To Factory Default".
Click "Yes" in the "Confirm Restoration" dialog box, then click "Yes".
Click "OK" in the dialog box warning you that all of the personal data on your computer will be deleted. Your computer will automatically restart.
When your computer restarts the restoration process will begin. The process could take anywhere between 30 and 90 minutes.
Click "OK" when a dialog appears telling you that the computer has been restored to its original factory settings and that you need to reboot your Gateway Windows 7 computer.
Your computer will reboot.
After the computer restarts you will need to configure Windows 7 with your personal preferences.
Recover at Startup
Turn on or restart your computer and hold down "Alt" while clicking "F10" during startup until you are redirected to the Gateway Recovery Management program.
Click "Restore System From Factory Default".
Click "Next" to begin the restoration process.
The process could take anywhere between 30 and 90 minutes.
or if still no joy
http://www.almuseo.com/download-repair?Windows 7 0xc0000185for Windows 7 0xc0000185 and associated problems.
Windows 7 0xc0000185 error message codes are almost always caused because of missing system files inside your Microsoft Windows operating-system.
When you've got Windows 7 0xc0000185 error message then we suggest that you perform an error scan.
This article provides related information that explains the best way to repair your Windows Windows 7 0xc0000185 error codes either by hand and automatically. Additionally, this guide can help you to fix most regularly occurring error code messages connected with Windows 7 0xc0000185 error code which you might possibly get.

Try this:
http://www.zxro.net/uncategorized/repair-0xc0000185/

STOP 0x000000ED UNMOUNTABLE_BOOT_VOLUME - this is issued when the data on the hard disk is completely corrupted.
Reinstall Windows and if the problem returns very quickly then the hard disk itself is dying - you will have to replace it and reinstall one more time.