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HP d248 HP Compaq Business Desktop d200 Series Personal Computers Service Refe - Page 84

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Troubleshooting Without Diagnostics Solving Diskette Problems (Continued) Problem Cause A problem has occurred with a disk transaction. The directory structure is bad, or there is a problem with a file. Diskette drive cannot read a diskette. "Invalid system disk" message is displayed. Cannot Boot to Diskette. Diskette is not formatted. You are using the wrong diskette type for the drive type. You are reading the wrong drive. Diskette is damaged. A diskette that does not contain the system files needed to start the computer has been inserted in the drive. Diskette error has occurred. Diskette is not bootable. Diskette boot has been disabled in Computer Setup. Removable media boot has been disabled in Computer Setup. Diskette MBR validation is enabled. Solution In Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. Format the diskette. Check the type of drive that you are using and use the correct diskette type. Check the drive letter in the path statement. Replace the diskette with a new one. When drive activity stops, remove the diskette and press the Spacebar. The computer should start up. Restart the computer by pressing the power button. Replace with a bootable diskette. Run Computer Setup and enable diskette boot in Storage > Boot Order. Run Computer Setup and enable Removable Media Boot in Storage > Storage Options. Run Computer Setup and disable Diskette MBR Validation in Storage > Storage Options. D-6 336493-004 Service Reference Guide, d200

Section	Page
Contents	5
Installing the Operating System	9
1.1 Microsoft Windows XP	9
1.1.1 Installing or Upgrading Device Drivers	9
1.2 Converting to NTFS	10
1.2.1 Windows XP Home and XP Professional	10
1.3 HP Software	10
Setup Utilities and Diagnostics Features	11
2.1 Power-On Self-Test (POST)	11
2.2 Computer Setup Utilities	12
2.2.1 Using Computer Setup (F10) Utilities	12
2.2.2 Computer Setup Menu	14
2.3 Protecting the Software	18
2.4 Restoring the Software	18
Desktop Management	19
3.1 Initial Configuration and Deployment	19
3.2 ROM Flash	20
3.2.1 FailSafe Boot Block ROM	20
3.2.2 Dual-State Power Button	20
3.2.3 Power Management	21
3.2.4 World Wide Web Site	21
3.3 Security	22
3.3.1 Password Security	22
3.3.2 Establishing a Setup Password Using Computer Setup	22
3.3.3 Establishing a Power-On Password Using Computer Setup	22
3.3.4 Surge-Tolerant Power Supply	24
Ultra ATA Drive Guidelines and Features	25
4.1 Ultra ATA Jumpers	25
4.2 Ultra ATA Cables	25
4.2.1 Cable Layout	25
4.3 Drive Installation Guidelines	26
4.3.1 Device Classes	27
4.3.2 Attach Sequence Rules by Class Priority	27
4.3.3 Attach Sequence Worksheet	28
4.3.4 Additional Drive Application Notes	30
4.4 SMART	30
4.5 Drive Capacities	31
Identifying the Chassis, Routine Care, and Disassembly Preparation	33
5.1 Chassis Designations	33
5.1.1 Microtower Type 2	33
5.2 Electrostatic Discharge Information	34
5.2.1 Generating Static	34
5.2.2 Preventing Electrostatic Damage to Equipment	35
5.2.3 Personal Grounding Methods and Equipment	35
5.2.4 Grounding the Work Area	35
5.2.5 Recommended Materials and Equipment	36
5.3 Routine Care	36
5.3.1 General Cleaning Safety Precautions	36
5.3.2 Cleaning the Computer Case	37
5.3.3 Cleaning the Keyboard	37
5.3.4 Cleaning the Monitor	37
5.3.5 Cleaning the Mouse	38
5.4 Service Considerations	38
5.4.1 Power Supply Fan	38
5.4.2 Tools and Software Requirements	38
5.4.3 Screws	38
5.4.4 Cables and Connectors	40
5.4.5 Hard Drives	40
5.4.6 Lithium Coin Cell Battery	40
Removal and Replacement Procedures- Microtower Type 2 Chassis	41
6.1 Preparation for Disassembly	41
6.2 Access Panel	42
6.3 Front Bezel	43
6.4 Front Drive Bezels	44
6.4.1 5.25\	44
6.4.2 Diskette Drive Bezel	45
6.5 Memory Modules	46
6.6 Expansion Card	48
6.7 Drives	49
6.7.1 Drive Positions	49
6.7.2 Removing a 5.25\	50
6.7.3 Removing a Diskette Drive	51
6.7.4 Removing the Lower Drive Cage	52
6.7.5 Removing a 3.5\	53
6.8 Front USB Device	54
6.9 Power Switch Assembly	56
6.10 Speaker	57
6.11 Air Baffle	58
6.12 Chassis Fan	60
6.13 Processor and Heatsink	61
6.14 System Board	62
6.15 Battery	63
6.15.1 Type 1 Battery Holder	64
6.15.2 Type 2 Battery Holder	65
6.16 Power Supply	66
Connector Pin Assignments	67
Power Cord Set Requirements	73
POST Error Messages	75
Troubleshooting Without Diagnostics	79
Memory	105