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Symptoms

Consider the following scenario:

  • You have a computer that is running Windows 7 or Windows Server 2008 R2.

  • This computer is connected to a high resolution monitor.

  • On this computer, the default dots per inch (DPI) display setting is set to a value other than 96 DPI.

In this scenario, the computer has an unexpectedly slow startup time.

Cause

In this scenario, the computer has an unexpectedly slow startup time after a change is made to the default DPI display setting. Then, the computer has an unexpectedly slow startup time every other time that the computer is started.

Resolution

To determine whether you must apply this hotfix, verify the setting of the Make text or other items larger or smaller option on your computer. To do this, follow these steps:

  1. Click Start, and then click Control Panel.

  2. Click Hardware and Sound.

  3. Click Make text or other items larger or smaller.

If the setting is set to Smaller - 100% (default), you do not have to apply this hotfix.

If the setting is set to a different value, you may have to apply this hotfix.

If this hotfix does not resolve the problem on your computer, try to optimize Windows 7 for better performance. To do this, visit the following Microsoft Web site:

http://windows.microsoft.com/en-us/windows7/Optimize-Windows-7-for-better-performance

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must have one of the following Windows operating systems installed:

  • Windows 7

  • Windows Server 2008 R2

Restart information

You must restart the computer after you apply this hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.16484

2,326,528

11-Dec-2009

03:57

x86

Win32k.sys

6.1.7600.20594

2,326,528

11-Dec-2009

03:57

x86

For all supported x64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.16484

3,122,176

11-Dec-2009

05:52

x64

Win32k.sys

6.1.7600.20594

3,122,176

11-Dec-2009

05:55

x64

For all supported Itanium-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Win32k.sys

6.1.7600.16484

7,411,712

11-Dec-2009

03:50

IA-64

Win32k.sys

6.1.7600.20594

7,411,712

11-Dec-2009

03:47

IA-64

Additional files for all supported x86-based versions of Windows 7

File name

Package_1_for_kb977419_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,770

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_1_for_kb977419~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,470

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,775

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

2,475

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm_bf~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,912

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not Applicable

File size

1,947

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Update-bf.mum

File version

Not Applicable

File size

1,648

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

X86_1f2fd7e264468f31f7fbb0eabf45a303_31bf3856ad364e35_6.1.7600.20594_none_ba1fd4ca55da0a0f.manifest

File version

Not Applicable

File size

694

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

X86_f7a3e8310c66bc52de712155f376d408_31bf3856ad364e35_6.1.7600.16484_none_d92db1383645e50d.manifest

File version

Not Applicable

File size

694

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.16484_none_b8c8d179fbdb4301.manifest

File version

Not Applicable

File size

42,086

Date (UTC)

11-Dec-2009

Time (UTC)

08:03

Platform

Not Applicable

---

File name

X86_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20594_none_b9479e591500febc.manifest

File version

Not Applicable

File size

42,086

Date (UTC)

11-Dec-2009

Time (UTC)

07:42

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_28b0d13f13b53f9326f276454d25d26d_31bf3856ad364e35_6.1.7600.20594_none_78b86cf1a6280dc2.manifest

File version

Not Applicable

File size

698

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Amd64_4b72f4635004406f61f9df7eed7eb5c4_31bf3856ad364e35_6.1.7600.16484_none_7bdc35b2395438ea.manifest

File version

Not Applicable

File size

698

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Amd64_609318e5c69945823a9bd486332ecc3a_31bf3856ad364e35_6.1.7600.20594_none_f39d0b387d956b1a.manifest

File version

Not Applicable

File size

698

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Amd64_9e3b631463d980c9140dedab4057b7f5_31bf3856ad364e35_6.1.7600.16484_none_25cc75690e29a212.manifest

File version

Not Applicable

File size

698

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.16484_none_14e76cfdb438b437.manifest

File version

Not Applicable

File size

42,090

Date (UTC)

11-Dec-2009

Time (UTC)

12:19

Platform

Not Applicable

---

File name

Amd64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20594_none_156639dccd5e6ff2.manifest

File version

Not Applicable

File size

42,090

Date (UTC)

11-Dec-2009

Time (UTC)

12:42

Platform

Not Applicable

---

File name

Package_1_for_kb977419_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

1,780

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_1_for_kb977419~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,484

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,199

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

4,065

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_3_for_kb977419_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,003

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_3_for_kb977419~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

3,865

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm_bf~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,820

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not Applicable

File size

2,881

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Update-bf.mum

File version

Not Applicable

File size

2,290

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.16484_none_1f3c174fe8997632.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

11-Dec-2009

Time (UTC)

07:53

Platform

Not Applicable

---

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20594_none_1fbae42f01bf31ed.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

11-Dec-2009

Time (UTC)

07:34

Platform

Not Applicable

Additional files for all supported Itanium-based versions of Windows Server 2008 R2

File name

Ia64_28b0d13f13b53f9326f276454d25d26d_31bf3856ad364e35_6.1.7600.20594_none_1c9b7563edc8a588.manifest

File version

Not Applicable

File size

697

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Ia64_5aed8640b018b869674fb70e2742031c_31bf3856ad364e35_6.1.7600.16484_none_d1e6c03399f5fac4.manifest

File version

Not Applicable

File size

696

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Ia64_9e3b631463d980c9140dedab4057b7f5_31bf3856ad364e35_6.1.7600.16484_none_c9af7ddb55ca39d8.manifest

File version

Not Applicable

File size

697

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Ia64_e3bf03d9777379d0bc477c9b0e46eddb_31bf3856ad364e35_6.1.7600.20594_none_d6f5a407b12cf3ba.manifest

File version

Not Applicable

File size

696

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.16484_none_b8ca756ffbd94bfd.manifest

File version

Not Applicable

File size

42,088

Date (UTC)

11-Dec-2009

Time (UTC)

08:35

Platform

Not Applicable

---

File name

Ia64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20594_none_b949424f14ff07b8.manifest

File version

Not Applicable

File size

42,088

Date (UTC)

11-Dec-2009

Time (UTC)

08:12

Platform

Not Applicable

---

File name

Package_1_for_kb977419_bf~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,781

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_1_for_kb977419~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

3,636

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419_bf~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,997

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_2_for_kb977419~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

3,855

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm_bf~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,923

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Package_for_kb977419_rtm~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not Applicable

File size

1,958

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Update-bf.mum

File version

Not Applicable

File size

1,658

Date (UTC)

11-Dec-2009

Time (UTC)

22:17

Platform

Not Applicable

---

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.16484_none_1f3c174fe8997632.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

11-Dec-2009

Time (UTC)

07:53

Platform

Not Applicable

---

File name

Wow64_microsoft-windows-win32k_31bf3856ad364e35_6.1.7600.20594_none_1fbae42f01bf31ed.manifest

File version

Not Applicable

File size

4,178

Date (UTC)

11-Dec-2009

Time (UTC)

07:34

Platform

Not Applicable

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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