Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: Hard Drive works externally but not internally

02 Jun 2015   #1

Windows 7 Ultimate x64
Hard Drive works externally but not internally

i found this thread Hard Drive works internally, but not externally. which is opposite to my problem and its been a year since the last post. So i make a new thread.

As you can see in the title. My Hd drives works externally but not internally.

I have 4 HD`s

1.) ST31000528AS
2.) WD500AAKX
3.) WD6400AAKS
4.) ST500DM002 ( this is my local hd)

the rest is my other hd drive but not connected. Now i want to add atleast 1 or 2 hd to my computer. So I start adding the first one which is the #1 drive the ST31000528AS. I plug the cables to the hd then turn on my computer. But its always freezes at the bios screen then it will turn off automatically.

I tried all the other hd drives from 1-3 drives i listed above. They got the same results. So i searched about the problem and i found this thread Bios screen freezes on startup . I also used the disk clean command. To format my hd. But the problem still persists.

That problem occured only when i connect it internally but when i connect it externally its working fine. What do you think is the problem?

I tried replacing the sata cables and connecting it to different sata port. But got the same results :3

The Hard Drive J is the ST31000528AS. Connected externally and it`s working fine.

OS: windows 7 x64bit
CPU: Inter Core i5 3.10 GHz
Motherboard: H61H2-M12
Memory: Kingston KVR1333D3N9/4g (8gb overall)
GPU: AMD Radeon Hd 6670 DDR3 1GB
HD: ST500DM002
Power Supply : Generic 600 watts

Attached Thumbnails
Hard Drive works externally but not internally-untitled.png  
My System SpecsSystem Spec
03 Jun 2015   #2

Windows 7 Home Premium x64

Hello hinaruu!

Just to make sure if I have understood correctly.

You have 4 internal hard drive, one of them (ST500DM002) is your OS drive, which is 500GB SATA III. You have only the OS drive connected to the motherboard and when you try to connect any of the other three HDDs to any of the ports using multiple cables, your BIOS freezes and PC turns off? But you can without a problem connect the drives externally?

Are you receiving any messages, or beeping sounds from the motherboard? I would first advise you to back up anything important from the OS drive to another one.

Then disconnect your OS drive and plug it to another port and start the PC. Does it work? Then power off again, and plug one of the other three drives on the first SATA port where the OS drive previously was. Try powering up again. This should give you sense if the ports have a problem or the drives.

Then reset your BIOS. Carefully pull the CMOS battery out for about 15-20 seconds then put it back on place. Be very very careful! Then press the power button of the PC for 15 seconds to discharge any remaining power stored in the capacitors. By discharging the power, the CMOS memory will reset, therefor should reset the BIOS. Then connect the drives again, firmly, to data and power. Test again.

I see your motherboard has 4 SATA ports, which are SATA II. Some of the drives are SATA III, but the ports are backwards compatible, so this shouldn't be the issue. But I believe that your motherboard ports may be damaged.

Do post back with results to troubleshoot further! :)

My System SpecsSystem Spec

 Hard Drive works externally but not internally

Thread Tools

Similar help and support threads
Thread Forum
Hard drive will not boot internal or externally.
I had a dual boot hard drive XP/W7. I tried all kinds of things to eliminate the XP partition and when finally able to do it, now W7 will not boot and even the install disk will not run. Error message says "missing bootmgr". The boot files are still in the W7 partition which is logical. Will...
Hardware & Devices
Hard drive problem, and can't access externally - what to do?
OK, I'm having a hard drive problem I've never encountered before and... well, I haven't been very diligent on my backups (it has been 6 months), so I'm very worried I may lose some valuable files. I'm hoping someone here can help me. BACKGROUND: I have an HP dv6 laptop computer running...
Hardware & Devices
Hard Drive works internally, but not externally.
Hello everyone, I've got a Seagate Momentus hard drive taken from a laptop that I intend to use as an external storage device. When plugged directly into my laptop's hard drive slot, it works fine. When I try to use it externally with an enclosure, it is not recognised (on the same...
Hardware & Devices
HDD won't work externally or internally
For the past few days my new drive hasn't worked on my PC at all, I was copying stuff over to it as I suddenly got an I/O error. I restarted my system to find that the drive had disappeared completely, not only in file explorer but in disk management as well. Recently I took out the drive and...
Hardware & Devices
Windows 7 does not boot when its hard drive is connected externally
Hello, I removed my hard drive containing Windows 7 from my computer, where it boots properly. I placed the drive in an enclosure and connected it via USB. It refused to boot, instead flashing a blue screen for less than a second and then asking if I wanted to attempt system repair. Upon...
General Discussion

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 06:01.
Twitter Facebook Google+