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disk write caching disabled

Q: disk write caching disabled

I have a Maxtor Diamond Max Plus 9 200 gig Hard Drive, 8mb cache buffer, running on XP. with P4, 3.06. When I run Boot Vis, it says "warning disk write cache disabled". If this is enabled, won't my computer boot faster and run and load faster, in general?

It seems to me I have seen somewhere that it has to do with hyperthreading, it has to be disabled? If this is true, is there any advantage in disabling hyperthreading in order get the 8 mb cache enabled. Is hyperthreading reall necessary? I run mostly games on this computer.

SHOULD it be enabled, and if so how do I do all this, in the bios?

Preferred Solution: disk write caching disabled

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A: disk write caching disabled


According to this article:


Write caching may cause slower disk performance in 2k and XP. I haven't really experimented with write caching on my Maxtor drive (a 200gB) or my Western Digital (WD-800JB). In fact, I'm not even sure if they have write-caching enabled.

You might want to check out this link, which tells you how to disable write-caching (it's Device Manager-based):


Of course, as I'm sure you know, be careful when doing things with your hard drives.

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Hi. Right before I reinstalled my Vista Ultimate x64, I had an option to select write caching and advanced performance. I got 2x500GB in RAID0, 1x500GB and 1x200GB. None of them shows the option to select write caching. Is there a way to enable this?
Thanks for any help.

A:Write caching or advanced performance disabled

Originally Posted by SLAiNTRAX


Perhaps you are using an out dated RAID driver? That's the only real difference I could see between then and now.

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Hiyas, ok when running bootvis to see my system boot up time I see,"Disk write cacheing is disabled". Now how the heck did I disable this, and how do i reenable? Could this be turned off by default whenever a bad block is detected?

EDIT: I tried to optimize it and the process did nothing.

A:Enable Disk Write Caching.

Open My Computer right click your harddrive choose properties then the Hardware tab, then properties again then the Policies tab and see if "Enable write caching on this Disk" is checked off.

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Hi guys,

I want to use ready boost with my win 7 laptop using my 16gb usb flash drive.
But i thought i should enable write-caching first. When i went to policies tab under properties i found two checkboxes i clicked both and then ok .
I got an error "windows could not change the write-caching setting for this device. Your device might not support this feature or changing the setting. " plz guys tell me how to enable it. I have only 2gb ram and an i3 processor with ati radeon 6700m graphics card

Waiting for quick Responses,
Thanka in advance

A:Cant enable disk write caching on usb flash drive

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Dear Forum Users,

I have two HDs in my system:

1. WD Caviar Blue 500GB (OS Drive)
2. WD Caviar Green 1TB

I've read that enabling write-caching may speed up drive performance. I checked on my 1TB drive, it was already enabled. On my 500GB drive though it was disabled.

So I then decided to enable write-caching on my 500GB drive. I proceeded to do so without any apparent problems. However after doing a system restart I saw that it went back to being disabled again.

I've tried this several times already, same thing each time!

Enable write caching restart write caching disabled again.

Does anyone have an idea why this is happening? How to fix this?



A:Disk Write Caching won't stay Enabled after System Restart

Does no one have any Idea?? =\

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Well i'm working on my computer now. it takes a long time to boot so i'm running Bootvis,after running the trace in the graph for hd activity or i/o it says"Warning disk write caching disabled" and i can't find anything about this in help or in system setting's or in bios any one have any idea what this is and how i reenable it?
windows xp pro
amd xp 2000 cpu
256 mb ram
ata promise raid w/1 40 gb hd
gforce mx2 agp 32mb graphics

ps this thing won't boot for the last 6 months without hitting the power button and then the reset button forgot to mention cause im already used to it
thanks to everyone for their help

A:Disk write cache disabled?warning!!!

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I have all my external drives set to "quick removal" option, so I don't have to use the "safe-removal" option.

On my internal drives, I have it set to "Enable write caching."

It says that a power outage could cause data loss.
Since I always use the "sleep" option, is this option safe?




Hello Paul,

Unless you have power outages often, then I wouldn't worry about it set like that.

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With explorer. Copy a large, say 700mb file from folder a to b on a regular HDD, should take 10-15 secs right. If you watch resmon, disk activity, you will see write activity to the destination folder for almost a full minute afterwards. Anyone know what's going on here? I don't have restore (previous versions of files) enabled either.

A:Write caching or ???

Indexing perhaps?

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Hi guys, my USB HDD started showing the 'delayed write failure' pop-ups so I changed the properties to 'Optimize for performance' and enabled write caching (previously it was set to 'optimize for quick removal').

Now the HDD wont show up in any PC, not in explorer / disk management ......i have rebooted, unplugged and waited, opened the caddy disconnected HDD and put together again but nothing.

Any help would be greatly appreciated, there is about 250GB of stuff on it lol.

A:USB HDD and write caching

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So, it's time I asked a question. I've got this awesome little 7eeePC you've probably read about as I babble on about it like a schoolgirl in many of my posts and I'd like to show of it's WEI score to convince folks it's not quite as castrated as some have insinuated. Only, the machine will not complete system assessment complaining about write caching not being enabled. I try to enable it but

In order to shoehorn 7057 into under 3GB of space some things had to go. Like help. Can anyone tell me what that link there says or how I might fix this?

A:Write Caching

You could try to update the mainboard bios if there's a new version available. It won't definitely fix it to be able, but there is a decent chance. Also, the controller drivers should be updated to latest, if they are not already.

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Ok, so my hard drive in ACHI mode does not allow me to enable write caching but in compatibility mode it does.

Should I enable write caching?

Also this whole thing about memory loss is bugging me on what they are talking about. I have a laptop with a battery and mostly has power. But what if power were to cut off or it gets somehow unpluged, will my HD be corrupt? or would that "Word" document I was working on that was not saved be gone, everything else will be fine?


A:Write caching

You can read this tutorial from Vistax64 on it. Basically, it's not recommended for laptops without a UPS. I believe if the power were to go out, only the temp. cache would be lost, so like your word document you were working on might be lost if it were to go out.
Hard drive speed boosts - Vista Forums
Also a tut on how to enable it with AHCI on, but I don't think it was relevant if you read all the comments in the tutorial.
Hard Drive Advanced Write Caching - Fix Cannot Enable - Vista Forums

But be notified that having it enabled has caused many to have a lower reported WEI score.
Experience Index. Low HD result


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I have a problem.
Isn't available policy of Performance Disk, and... write caching not working.
And I can not find its way to activate it from other side.
In the device manager, into the options of the disk, Performance Policy not appears. Before it was available in previous betas, but in this case it is impossible for me to activate the option.
Some form of activity? Thank you.

A:Problem with Write Caching :(


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On another thread I had stated that there will be a performance hit if you turn off write caching for a SSD. But on second thought, I am not so sure any more.

What write caching allows (in my understanding) is to accumulate records in a buffer so that so that they can be written to the disk in one big swoop. That is an advantage on a spinning disk because all those records are written during the same rotation - and there is also only one seek for the arm.

I wonder though whether that brings the same advantage to the SSD where access time to any place is the same - and it is usually only 0.1ms. There would be an advantage if the records were written in larger blocks from the buffer because the SSD's write performance grows as the block size grows. But if records are still being written e.g. 4K at a time, there may not be an advantage.

Does anybody know whether the blocksize for the write operations increases with caching?

A:For the write caching experts

Hi whs - I see your point about the "write caching" and the SSD. Actually I think SSD's do write smaller blocks of data even faster than large sequential blocks so you could very well be right.

It would be interesting to run a series of tests with the "write caching" turned both on and off- Checking the Windows Disk WEI and checking the results of some of the disk benchmarking utilities (like HD Tune and ATTO).

At the moment I have my "write caching" turned on.

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Hello all! I have two concerns...

1. My external HDD has 64mb of cache and is connected via Uninterrupted Power Supply (UPS) 1200va along with my entire computer. Should I enable write caching, and how will enabling it benefit me?

2. I have been using ShadowProtect to backup my data and OS; is it okay to defrag this external drive? Will it negatively affect my backup data?

Thanks everyone!

A:Write Caching and Defragging External HDD

Question 2. If the back up is on the external drive do not defrag, you can lose all of your data and then you have to start over.

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I would like to be able to disable Write Caching for both of my external drives. One HDD is a 1TB, FAT32 formatted drive which allows me to disable write caching whereas my 650GB, NTFS formatted drive has the option completely grayed out.

As you can see from these screen shots (click to enlarge them), the drives look very different and for whatever reason, the option to disable write caching on the NTFS drive is not possible. I'm currently running Vista Ultimate x64 and have updated all drivers and BIOS. If anyone has an ideas, I'd be grateful for any information about how to disable this.

A:External USB HDDs - Write Caching

I think write caching is disabled for external drives by default under Vista.

Out of curiosity, why do you wish to alter these settings?

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I have several 2TB WD My Passport and a Toshiba USB 3.0 external drives,
but none has the option to enable Write-caching policy under Policies tab.
I need to do this because my TB transfers between two drives is way too slow, about 58MBps average speed, only !!

I have another (new) 4TB Seagate USB 3.0, that one has the both options:
*Better performance (default)
* Enable write-caching on the device

So is there anyway I could enable Write-caching to speed up those drives as they should be?
My Laptop and all the external drives are USB 3.0, so it can't be this slow, no?

Please see the screenshot attached:

Any HELP is highly appreciated.
Thank you all.

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Hi all,

I was just reading this tutorial about how to improve the performance of my internal hard disks, but when I try to access the Write-caching panel on Devices I can?t see the option to activate. Is it possible I need specific drivers from manufacturer ? ... not sure.

Thanks for you comments !

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Hey All,

This is probably a pretty nooby question but I can't seem to find any answers online.

I used to use VMware Workstation, but I've since switched to Hyper-V as it's built into Windows 8.

I was setting up a server from scratch (2008 r2) and I added the role of Domain Controller to my server, which all went through with no problems at all.

I decided to check through the warnings given in the event log and I came across the following message:

Active Directory Domain Services could not disable the software-based disk write cache on the following hard disk. Hard disk: %1 Data might be lost during system failures.

(ID: 1539)

I've tried to manually disable write-caching, but I just get the following message:

This device does not allow its write cache setting to be modified

Does anybody know how to disable the write caching? I can't seem to find any documentation on this and I'm not sure if this is just standard behaviour of Hyper-V?

Cheers all,


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I installed Ubuntu 14.04 alongside Windows 8.1 so I could dual boot them and I think I accidentally disabled SSD caching since my computer is starting Windows 8.1 a lot slower than it did before I installed Ubuntu.

I think it has something to do with Intel Rapid Storage, but I don't know, that's just a guess.

I have an inspiron 14 7000 series and I know it has a SSD along side the HDD that is used for caching

A:I think I accidentally disabled SSD caching

Where did ypu tell Linux to install?

sda or sdb?

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A:the disk is write-protected remove the write-protection or use another disk.

You'll have to provide more information than that for anyone to be able to help you.

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Windows 7 Ultimate x64 SP1. I've noticed this strange behaviour where, after I have un-ticked "Enable write caching" for the main (only) drive in my laptop (Intel 240GB SSD) the setting keeps getting turned on again every time Windows wakes up from sleep. I turn if off again, and then it's on again after waking up.

What could be causing this, and is there another way (eg. group policy or registry setting) of forceably, permanently, disabling write caching? Or could this be some sort of driver issue? I wouldn't have thought turning a feature *off* would be a problem though.

A:SSD "Enable Write Caching" turning back on after being turned off

Hi and welcome to SevenForums,
Is hibernation disabled ?
Not a great thing to do on a laptop seeing it has a battery.

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I get the error message that "cannot write to the reports file" when I change any settings in McAfee 4.5.1....what's the problem???

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This is about the worst case I've ever seen of a crippled pc. When I first looked at this pc, there was only 177MB of free disk space out of 110GB. I installed the drive onto another pc so I could run a virus scan and I also ran malwarebytes. There were thousands of temporary files that I deleted and the trojan vundo virus was found and supposedly removed. There is now about 70GB of free space. I reinstalled the drive back into the original pc and it woks ok in safe mode. In normal mode, the disk still constantly caches. The wallpaper appears but the desktop icons do not appear. Below is the HJT log. Thanks for your help.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 1:24:21 PM, on 7/28/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Safe mode with network support

Running processes:
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dell.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.dell.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.dell.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start P... Read more

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I am trying to write disk to my model of dvd¬ plds+dvd-rw+ds8a9sh el3a firmware¬  but on the wndows 10 and windows 7 ultimate I am getting the same error that write process goes very fast and ends with fail. I am using the normal cd writing way provided by both windows.
the firmware utility says that there is no update needed for the el3a as it is the latest one.
in the even viewer I am getting the same error ""error 7 ,rom0 device has a bad block" .
when I am using bios built in function of Lenovo it passes the test successfully but when try to write using above of the operating systems then it says that above error in both of these. the dxdiag command result is as follows.

some files are here.
Mod's Edit: System model added to the front of Subject line to improve visibility / clarity and moved post to a model specific forum.

A:B590 - dvd rom write test works but failed to write disk

It looks that it is firmware error after trying all the tests. But there is no firmware on the manufacturer webisit(LENOVO) or PLDS manufacturer(DVD ROM) website.Any suggestions.

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I have recently upgraded one of my PC's to Win 98 SE and ever since then it
has locked up regularly. It's very frustrating. It seems to happen
whenever it wants and it is almost every time the PC is on for more than a
1/2 hour or so. The keyboard and mouse will stop responding and the cursor
just blinks for a little while then eventually the screen goes to blue
screen and shows an error that says "Disk Write Error. Unable to write to
disk in drive C: Data or files may be lost. Press any key to continue." I
can press any and all keys and nothing happens. I always end up powering
down. I went to Technet on Microsoft and I found the exact error in the
knowledge base. However, it mentions that this is caused by use of an
EherFast network card. This PC is standalone and not networked at all and
there are no legacy cards in it at all. What else could possibly be causing
this error? Any help is most appreciated. This is really frustrating.

Thanks In Advance

A:"disk write error. unable to write to disk in drive C:"

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Is there any means of instilling Floppy Disk Caching in Windows XP?

I.e., anything similar to (pre-NT/2000/XP) SMARTDRVís option to cache floppy disk drives?

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In a separate post, I noted that boot error (3F0 and 3F6) problems went away when I physically removed the failed SanDisk 16GB mSATA SSD drive from the motherboard.  My question now is, do I really need to even replace the mSATA SSD?  If I did want to replace it, do I just get a new blank one and reinstall it?  Or...does the SSD need to be "configured" in some way before/after installation.   My PC seems to be running pretty well without the 16GB mSATA Disk Caching SSD right now. Thanks in advance!

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Hey all,

I am having an issue with a Western Digital 320Gb SataII drive that I purchased a little while back. The store I purchased it from insists that there is nothing wrong with the drive, but I think there has to be?
The first time it happened, I was downloading files from a P2P application. Failed to write to disk on the partition and something along the lines of G:/$mft kepy popping up(I guess to do with the boot table on the disk?). Figured that there was just an error, so I ran a chkdsk, but it didn't find anything. I rebooted the comp, and tried chkdsk again, but this time it couldn't access the partition. I had a couple more errors or problems with it (tried partition magic, but that wouldnt even open because the partition table was screwed up or something), so I decided to backup and then format the partition. Great, everything eventually worked again, and I copied everything back.

A couple of days later, I was copying some files over, and I had the same issue again, random popup saying something like "failed to write to disk - delayed write failed" and then my system crashed and I rebooted. Couldnt access the partition when I tried to chkdsk again. However, I still cannot find any bad sectors on it when I finally managed to get chkdsk working again (after a couple more reboots). It also took me three reboots/tries to get an image of the disk because it had problems reading it.

Is there any way I could convince the retailer that there is s... Read more

A:Failed to Write to Disk - Delayed Write

Well what you need to do is get a copy of Diskeeper. Go to www.diskeeper.com and get a trial version. Then you open that up, and analize the drive your having trouble with. Soon you can go into your options and run a program in there called Frag Shield or something like that. That will change your MTF size to a proper size (Cheoose Recommended settings) and the problems will go away. I had the same thing happen to my old 250 GB drive. But that should take care of everything.

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I recently added a reg key to DisablePasswordCaching (1) to some meeting room computers at work.

The option works, users are not prompted to save passwords whenever logging in to a web site.

After looking around on the net, the options should also become greyed out in the setting (Internt Options - Content - AutoComplete - Settings - "Use AutoComplete For") However, the check boxes are still active.

Any suggestions to why they are not greyed out since the reg key is enabled?


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Hello, its DARK RIDER.
I have 2 gb ram, intel core i3 processor, ati radeon 6470m graphics card and windows 7. I feel that my ram is not much for the games I play like battlefield 4, assassins creed 4 etc.
So i thought about using ready boost in my pendrive. I am using sandisk cruzer blade 16gb for this and i selected " use this device." For the max size i.e. 4 gb under the readyboost tab. I dont understand what to do next. And 4gb of the pd is occupied. My pd has something called shortcut virus .whole problem here-https://forums.techguy.org/threads/windows-host-script-access-is-disabled-on-this-machine-error.1170785/#post-9242127
I changed the device properties to better performance and tried enabling write cache but i got an error write cache is disabled on this device or something i dont remember.
Hoping for a quick response,
Thanks in advance

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I used this tutorial to disable write access to USB drives of certain PCs but when I connect my Android phone which has MTP mode, I can easily transfer files to it. Is there any way to disable copying to MTP devices? I am okay with disabling them completely too, instead of just disabling copy.

Thank you.
Offtopic: Does anyone know how to block uploading of files to mails or any other site?

A:Disabled write access to USB but MTP devices still working

Bump! Can someone help me with this please?

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I've got a problem with my brothers laptop.

It is an old AMS Power CD, with win. 95. When I turn it on, it begins to boot. The screen reads:
BIOS 1.23, CPU = Pentium 100 MHz
640K System RAM Passed
23552K Extended RAM Passed
256K Cache SRAM Passed
System BIOS Shadowed
Video BIOS Shadowed
Mouse Initialized

Then in a red flashing box in the middle of the screen it reads: "Couldn't reset hard disk system Save to Disk feature is disabled"

Then, "Operating system not found" below

I would much appreciate any help or assistance I can find.

A:Couldn't reset hard disk system, save to disk feature is disabled

I'd bet the harddrive has a loose connection or completely failed. If you don't know how to take it apart and check it take it to an expert.

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please Help I have 2 trojans and 6 other viruses that come up that they cannot be Deleted Cleaned or Quarantined because they are Disk Write protected How do I remove them. I run Millennium Edition with Mcafee Antivirus and firewall. I have downloaded a Hijackthis log but do not know how to forward it to you or save to a file of it's own. Help Please

A:Write Protected Disk

Hello vikinguy45 and Welcome to TSF!

In order to try and solve your problem we will need to see your Hijack This log. Please follow these directions:

Please download the newest version of HijackThis here- http://www.greyknight17.com/spy/HijackThis.exe - this program will help us determine if there are any spyware/malware on your computer. Create a folder at C:\HJT and move HijackThis.exe there. Double click on the program to run it. If it gives you an intro screen, just choose 'Do a system scan and save a logfile'.
If you don't get the intro screen, just hit Scan and then click on Save log.
Do not fix anything in HijackThis since they may be harmless.

Afer the scan is complete, if you chose number 1, a notepad document will open automatically, or if you chose number 2, after you click 'Save log' a notepad document will open. While holding 'Ctrl' (the control button) press 'A' and it should select (highlight) everything. (If it doesn't click 'Edit' -> 'Select All'.) Next, again while holding 'Ctrl' press 'C'. This will copy the information to the clipboard. Now go to this post and click 'POST REPLY'. Now, again while holding 'Ctrl' press 'V'. This should paste all of the information into your post.

Let us know if you're having any trouble getting the log posted!

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I'm running Vista Ultimate 64bit.

My G: drive (a logical partition on a raid array) has decided it's write protected for the second time. The files are not 'read-only'.

I cant delete or cut any file or folder on the drive, they aren't even listed when I right-click. I can copy but only off the drive.

The last time it happened I ran a checkdsk and after 10 hours it finished and I had full access.

Anyone know how to make vista see the drive is not write-protected?

A:This disk is write-protected

BUMP, it's happened a third time :/

Last time i restarted in safe mode and then again normally and it just seemed to fix itself.

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Hey everyone, i currently have a LG Chocolate Flip Phone which has a built in music player and micro sd card. now whenever i take the micro sd card out and put it in the SD/miniSD/MMC/RSMMC jumpdrive and try to copy files (both music and images) i get an error that says:

i was wondering if anyone knew what could have happened to the micro sd card that it doesn't work anymore.

P.S. i take the micro sd card and put it in micro-sd adapter (pictured below) then plug that in my jumpdrive. and the lock button on the side, i push to unlocked and everytime i put it in the jumpdrive it ends up being in the middle.

thanks for any help

A:Disk Write-Protected

This may just be caused by a worn out SD card

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My disk has been giving me problems lately.

First there are random freezes where the HDD light comes full on for a minute or more and locks up my PC completely, then it just recovers the disk grinds away happily and all is well again.

Second, whenever I try to write a file to this disk from anywhere (Internet download, DVD drive, flashdrive, other disk), its like it stutters, it will write to disk VERY slowly and it will stop and start, while constantly locking up my machine.

But it reads fine from that disk.

Now I have checked the event viewer and nothing in there.
I have switched to different SATA ports. So I do not think it is the SATA controller but I can't be sure because the other disk on there is a SSD but it seems to be working fine.

system info
Windows 7 Ultimate
asus P8P67 le
WD Caviar WD500AAKS

A:Can't write to disk properly

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I am so frustrated in this problem i am facing now...I just can't transfer my data to my SD card and Pendrive...It says the disk is write protected...How do i fix this thing ? any idea ?
advise is very much appreciated

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I used alchol 120% to burn a dvd rw and then after some time wanted to burn something else on it. but while formatting there is an error message saying " disk is write protected".

With windows 7 ultimate i was able to rightclick and format the disk ....

again i burn the same disk with my laptop having windows 7 home premium. IT IS AGAIN GIVING THE SAME ERROR.

i have tried other softwares to erase or format that disk but it failed.

i also read other posts regarding this matter on number of forums but no satisfactory answer.

is there a security issue with alcohol 120% or is it windows 7 home



A:Disk (dvd rw) is write protected

Try uninstalling Alcohol, then burn with Imgburn or CDburnerXP (both are freeware, download them).

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ok so the other night i was putting something on my 8gb sandisk flash drive. my pc shut off randomly and i go to recopy the files onto my flash drive and the drive keeps saying the disk is write protected. I cant format the drive because it says the disk is write protected.

iv tried so many things i have googled....going into regedit and making the write protect reg key. didnt work

the flash drive DOES NOT have a little switch to make it protected.
iv run out of ideas and have been trying for DAYS to get it non protected so i can format it! help!

A:the disk is write protected USB

The first thing I can think of in such a scenario is that you have some type of
malware infection that can be causing denied write access.

Have you scanned that drive with a good (currently updated) anti-virus program?

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I'm having trouble formatting or copying files to my Kingston pen drive. It says the disk is write protected. I tried registry fixes, diskpart etc. Still no success. Please help.

A:Disk is write protected

Are you using an Administrator account on your computer?

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i have a silicon power 32Gb USB flash. i wanna format it . the error shows up : the disk is write protected . what to do ?

tried every solution on the internet including Regedit.exe and CMD

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Is there some CD players that won't read certain CD-RW disks?

I'm upgrading an old HP Pavilion, P1 from Win98 to 98se and I have the upgrades on a disk. I've used them before and they work fine and the cd plays everything else I put in it....but not this one. Never had this happen before.

Any thoughts?


A:CD not reading re-write disk..

ChfTx said:

Is there some CD players that won't read certain CD-RW disks?
Click to expand...

Yep......some older ones won't. I had a 2x or 6x that wouldn't. You might go to the adaptec site and download a small program there, called UDF Reader, that MAY allow it to read them. Your best solution would be to burn them to a CD-R.

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I'm having trouble formatting or copying files to my Kingston pen drive. It says the disk is write protected. I tried registry fixes, diskpart etc. Still no success. Please help.

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Installed a new disk on my XP machine for backup. In XP the disk is shared, users can change files. My windows 7 machine sees the disk and the files on it, but it cannot open them, and it will not allow to write to the disk. It says I don't have permission. Don't know what else to do from the XP side, and Win7 won't allow me to change permissions for the new drive on the XP machine. My feeble brain has never been able to wrap around the permissions, etc., of Vista/Win7. I know the answer is simple. I just don't know what it is.

A:cannot write to new disk on XP machine

Quote: Originally Posted by benellard

Installed a new disk on my XP machine for backup. In XP the disk is shared, users can change files. My windows 7 machine sees the disk and the files on it, but it cannot open them, and it will not allow to write to the disk. It says I don't have permission. Don't know what else to do from the XP side, and Win7 won't allow me to change permissions for the new drive on the XP machine. My feeble brain has never been able to wrap around the permissions, etc., of Vista/Win7. I know the answer is simple. I just don't know what it is.

For full read/write access it's required that you go into the Security tab on the XP machines new drive and add Everyone to the permissions list, add the check marks for full access etc. The link below explains the process although it may look a bit different on the XP's Security tab.

HDD sharing

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Hi, I have been trying to write to a CD. I have a Toshiba Laptop with Vista. I insert a new disk, but nothing happens. The Control Panel says the drive is O.K. Can someone tell me what I can do the check the drive? It works in opening programs and files.
Thanks, alan

A:Write to disk problem

Is the disk you are inserting a writable disk?

Did you try to drag some files to it?

Is it a read write drive?

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I have a new Win/XP/Pro machine. Tonight for the first time I tried to write to a floppy disk. It failed, saying that the disk was write protected.

I checked: it was not write protected.

Took that same floppy to my old computer and had no problem writing to it. Or reading from it.

So, on the new computer, I can read, but not write.

Any ideas ??

A:Can't write to floppy disk

Have you tested with more than one floppy? If it happens for all of them, you might have a bad write protect sensor in the drive or pn #28 (/ Write protect) on the floppy cable input to the motherboard is getting shorted to ground somewhere.

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